BMW E39 2001changes

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Full text

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S

Suubbjjeecctt PPaaggee

20 pin D

20 pin Diaiagnosgnostic Socketic Socket Det Deleletiontion. . . .. . . 22

Instrument Cluster SIA Reset. . . 4

Instrument Cluster SIA Reset. . . 4

2001 E39 Update. . . 6 2001 E39 Update. . . 6 Engines. . . 7 Engines. . . 7 Body wor Body work. . . k. . . .. . . . 88 Fog lights. . . .9 Fog lights. . . .9 Pa Park Dirk Distance stance Control. . . Control. . . .. . . 99 Head and Tail Light Changes. . . .10

Head and Tail Light Changes. . . .10

IH IHKRKR. . . .. . . 1313 IHK IHKA IA IVV. . . .17. . .17 Rear HPS. . . .22 Rear HPS. . . .22 Re

Reviview Qew Queuestiostions. . . ns. . . .. . . . 2222

Table of Contents

Table of Contents

2001 MODEL YEAR CHANGES

2001 MODEL YEAR CHANGES

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20 PIN DIAGNOSTIC SOCKET DELETION

20 PIN DIAGNOSTIC SOCKET DELETION

Model: E39,E46,E52,E53

Model: E39,E46,E52,E53

Production Date: E46 from 6/00

Production Date: E46 from 6/00

E39,E52,E53 from 9/00

E39,E52,E53 from 9/00

For model year 2001 the E39, E46 and E53 will eliminate the 20 pin diagnostic connector For model year 2001 the E39, E46 and E53 will eliminate the 20 pin diagnostic connector from the engine

from the engine comcompartmpartment. ent. The The 16 pin OBD I16 pin OBD II connector located inside the veI connector located inside the vehicle willhicle will be the only diagnosis port.

be the only diagnosis port.

The E38 and Z3 will continue to use the 20 pin connector. The E38 and Z3 will continue to use the 20 pin connector.

The 16 pin OBD II connector has been in all The 16 pin OBD II connector has been in all BMWs since 1996 to comply with OBD II

BMWs since 1996 to comply with OBD II

regulations requiring a standardized diagnostic regulations requiring a standardized diagnostic port.

port.

Previously before 2001, only emissions relevant Previously before 2001, only emissions relevant data could be extracted from the OBD II

data could be extracted from the OBD II

connector because it did not provide access to connector because it did not provide access to TX

TXD (D (D-bD-bus). us). The The TXTXD line D line is connecis connected tted to pino pin 8 of the OBD II connector on vehicles without 8 of the OBD II connector on vehicles without the 20 pin diagnostic connector.

the 20 pin diagnostic connector.

The cap to the OBD II connector contains a The cap to the OBD II connector contains a

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Diagnostics via the OBD II Connector

Diagnostics via the OBD II Connector

-- ++

UNLEADED GASOLINE ONLY

UNLEADED GASOLINE ONLY

0 0 12 12 20 20 km/h km/h MPH MPH 1/min 1/min x1000 x1000 40 40 60 608080 100 100120140120140160160 180 180 200 200 220 220 240 240 1 1 0 0 2 2 3 3 44 5 5 6 6 7 7 50 50302030201515 12 12 20 20 40 40 60 60 80 80 100 100 120 120 140 140 11 11 miles

miles BRAKE ABSBRAKE ABS

16 16 99 88 77 55 44 11      D      D      M      M      E      E D      D      M      M      E      E       A   A   G  G  S   S        I       I      /        /       K       K   -    -      B       B       U        U        S        S  IKE/KOMBIIKE/KOMBI DSC DSC KL 15 KL 15 KL 30 KL 30      D     DTT      (      (      R      R      P      P      M      M      )      )       T       T       X       X       D       D       T       T       X       X       D       D       I       I       I       I OBD II OBD II CONNECTOR CONNECTOR DIS/MoDiC DIS/MoDiC CONNECTOR CONNECTOR KL 31 KL 31 BBMM W W DDIISS      B      B      M      M      W      W        D        D        I        I         S         S DSC III DSC III kjhsdfkhsdflk kjhsdfkhsdflkhsdlkfjhlkjghkghsdlkfjhlkjghkg lkdkfljdflkjdsfljdslfjlds lkdkfljdflkjdsfljdslfjldskjflkjdflkkjflkjdflk ldsflsdfklhdsfh ldsflsdfklhdsfhsdfhsdkhfkhsdfhsdkhfkhsdf sdf  kldjfkljdfkjdskfk kldjfkljdfkjdskfkjdskfjkljdfkldsfkjdskfjkljdfkldsfk kjsdfkljsdfkds kjsdfkljsdfkdsfkjdsfkljsdfkjdsfkjdsfkljsdfkjds ldjsfklkjsdfklds ldjsfklkjsdfkldsjfkdsjfkdsfkdfkjfkdsjfkdsfkdfklklk

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INSTRUMENT CLUSTER SIA RESET

INSTRUMENT CLUSTER SIA RESET

Model: E38,E39,E46,E52,E53

Model: E38,E39,E46,E52,E53

Production Date: E46 from 9/99

Production Date: E46 from 9/99

E38,E39,E53 from 9/00

E38,E39,E53 from 9/00

On 2001 vehicles without the diagnostic connector in the engine compartment, the use of On 2001 vehicles without the diagnostic connector in the engine compartment, the use of the SI

the SIAA resereset tot tool is ol is not ponot possible. ssible. The The serviservice indicator may be rce indicator may be reset usieset using the reng the reset modeset mode in the instrument cluster.

in the instrument cluster.

Reset procedure

Reset procedure for hifor high gh and low cluand low clusters with SIA sters with SIA III using III using the Reset Mthe Reset Mode:ode:  IIgngniitition on kekey y mumust st be be “of“off”f”

•• PrPress ess and and hold the hold the trip odometer trip odometer rereset button iset button in the n the insinstrument clutrument cluster ster ((leleft button)ft button), an, andd turn the ignition key to the first position.

turn the ignition key to the first position.

½ ½ P P 1 1 20 20 40 40 60 60 80 80 100 100 120 120 140 140 00 2 2 3 3 44 5 5 6 6 7 7 ! ! ABSABS 20 DIGIT READOUT 20 DIGIT READOUT 123456 123456 PRND SPRND S 432 432 1224 1224 72720F0F miles miles 0 0 10 10 15 15 20 20 40 40 + + RESET

RESET SIA: SIA: -919 -919 LL

TURN THE KEY TO TURN THE KEY TO POSITION 1 (KL R) POSITION 1 (KL R) PRESS AND HOLD

PRESS AND HOLD LEFT BUTTON. LEFT BUTTON.

KEEP PRESSED FOR KEEP PRESSED FOR 5 SECONDS AFTER 5 SECONDS AFTER KEY IS SWITCHED KEY IS SWITCHED ON. ON. TAP BUTTON TO TAP BUTTON TO RESET

RESET DIDISPLASPLAYY..

1

1

2

2

Service interval reset: high cluster Service interval reset: high cluster

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•• WhiWhile le the displathe display iy is flas flashishing, presng, press the ls the left button briefleft button briefly to rey to reset the sset the servervice iice intervntervalal.. After the display has shown the new interval the following will appear: “END SIA” After the display has shown the new interval the following will appear: “END SIA”

The system can only be reset again after 10 liters (2.5gal) of fuel have been consumed. The system can only be reset again after 10 liters (2.5gal) of fuel have been consumed.

Reset procedure for clusters with SIA IV using the Reset Mode.

Reset procedure for clusters with SIA IV using the Reset Mode. (possible from 9/99(possible from 9/99 for E46, MY2001 E52)

for E46, MY2001 E52)

•• IIgngniitition on kekey y mumust st be be “of“off”f”

•• PrPresess ans and hold the trd hold the trip odomeip odometer button iter button in the in the instrnstrumeument clusnt cluster (ter (leleft button)ft button), and turn, and turn the ignition key to the first position.

the ignition key to the first position.

•• KeKeep the button prep the button presessesed for approd for approxiximatemately ly 5 secon5 seconds untids until one l one of the fof the follollowing worowing wordsds appear in the display: “OIL SERVICE, or “INSPECTION”, with “rESET”.

appear in the display: “OIL SERVICE, or “INSPECTION”, with “rESET”.

•• ReRelelease ase the rthe reseeset buttt button aon and presnd press as and hold and hold again gain until until “rES“rESEET” begiT” begins to flns to flashash..

•• WhiWhile le the displathe display iy is flas flashishing, presng, press the ls the left button briefleft button briefly to rey to reset the sset the servervice iice intervntervalal.. After the display has shown the new interval, the following will appear: “END SIA” After the display has shown the new interval, the following will appear: “END SIA” The system can only be reset again after 10 liters (2.5gal) of fuel have been consumed. The system can only be reset again after 10 liters (2.5gal) of fuel have been consumed.

OILSERVICE

OILSERVICE

15000

15000

MilesMiles

UNLEADED GASOLINE ONLY

UNLEADED GASOLINE ONLY

0 0 12 12 20 20 km/h km/h MPH MPH 1/min 1/min x1000 x1000 40 40 60 60 80 80 100 100120140120140160160 180 180 200 200 220 220 240 240 1 1 0 0 2 2 3 3 44 5 5 6 6 7 7 50 50303020201515 12 12 20 20 40 40 60 60 80 80 100 100 120 120 140 140 11 11 M Mmilesmiles

ESET

ESET

SIA

SIA

END

END

SIA

SIA

1

1

2

2

PRESS AND PRESS AND HOLD LEFT HOLD LEFT BUTTON BUTTON

TURN KEY TO POSITION 1 TURN KEY TO POSITION 1 (KL R) (KL R) KEEP BUTTON KEEP BUTTON PRESSED FOR 5 PRESSED FOR 5 SECONDS AFTER SECONDS AFTER KEY IS SWITCHED KEY IS SWITCHED ON. ON. TAP BUTTON TO TAP BUTTON TO RESET DISPLAY RESET DISPLAY

E46 service interval reset E46 service interval reset

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2001 E39 UPDATE

2001 E39 UPDATE

Model: E39 (525i/iT, 530i, 540i/iT, M5)

Model: E39 (525i/iT, 530i, 540i/iT, M5)

Production Date: From 9/00

Production Date: From 9/00

For Model Year 2001 the E39 will receive it’s first cosmetic facelift since series launch in For Model Year 2001 the E39 will receive it’s first cosmetic facelift since series launch in 1997.

1997. In aIn additddition to the visuaion to the visual changes, sel changes, severaveral sysl systems have tems have been enbeen enhanced and updat-hanced and updat-ed.

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Engines

Engines

Two M54 engine variants will be added to the E39 for the 2001 M.Y. starting production Two M54 engine variants will be added to the E39 for the 2001 M.Y. starting production 9/

9/00. 00. The The M54 B30 and M54 B30 and M54 B25. M54 B25. The The M54 B30 engine M54 B30 engine will will replace replace the M52 B28TU the M52 B28TU ofof the 528i and beco

the 528i and become the 530i. me the 530i. The The M54 B2M54 B25 engine 5 engine equipped 5 Series will equipped 5 Series will create a ncreate a newew model, the 525i, it will become the entry level 5 series.

model, the 525i, it will become the entry level 5 series.

The design objectives for the M54 engine were: The design objectives for the M54 engine were:

•• LLoowewer r eemimissssiiononss

•• MaMaiintntaaiin n fufueel l eecocononomymy

•• IIncncrreeaase se powepower ar and pend perfrforormamancncee..

The 540i/it will use the A5S 440Z automatic transmission with Steptronic as standard The 540i/it will use the A5S 440Z automatic transmission with Steptronic as standard equipment and cont

equipment and continues inues to have to have the optthe optional ional 6 speed manual6 speed manual. . The The 525i and 530i525i and 530i

models will use the A5S 390R (GM 5) with Steptronic as optional equipment until March of models will use the A5S 390R (GM 5) with Steptronic as optional equipment until March of 2001 at which time the GM5 will be replaced by the A5S 325Z (5HP 19).

2001 at which time the GM5 will be replaced by the A5S 325Z (5HP 19).

Please refer

Please refer to the to the 2000 Systems Diagnosi2000 Systems Diagnosis course mats course material ST 039 for erial ST 039 for inforinformation concerning themation concerning the M54 engine family. M54 engine family. M M554 4 BB2255 MM554 4 BB3300 H HOORRSSEEPPOOWWEERR 119922@@5599000 0 rrppmm 222255@@66000000rrppmm T TOORRQQUUEE 224455NNmm@@33550000rrppmm 330000NNmm@@33550000rrppmm

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Body Work

Body Work

The sheet metal remains unchanged, however several touches have been made to The sheet metal remains unchanged, however several touches have been made to freshen the appearance of the 5 Series.

freshen the appearance of the 5 Series.

The

The front, rear afront, rear and side impact stnd side impact strips havrips have been e been painted bodpainted body colory color. . The The 540i/540i/it has ait has a chrome insert along the upper edge of the impact strips.

chrome insert along the upper edge of the impact strips.

The kidney grille inserts on all models have been widened to give the car’s “face” a more The kidney grille inserts on all models have been widened to give the car’s “face” a more aggressive appearance.

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Fog lights

Fog lights

New circular fog lights with convex plastic New circular fog lights with convex plastic lens-es are tucked neatly into the corners of the new es are tucked neatly into the corners of the new front air dam.

front air dam. The The new lights use new lights use an H8 12Van H8 12V 35 W halogen bulb.

35 W halogen bulb.

Park Distance Control

Park Distance Control

The

The 2002001 E1 E39 w39 will havill have Fe Front and Rear PDC ront and Rear PDC availaavailable as an ble as an opoptiotion. n. The The system opsystem operateserates  ju

 just st as the E38 and as the E38 and EE53 53 with twith the same syhe same systestem. m. TThe vehe vehihicle is fitted cle is fitted with a with a PDPDCC switchswitch located on the SZM.

located on the SZM. Activation is Activation is automatic wautomatic with revith reverse erse gear egear engagement, but may bengagement, but may be deactivated with the switch.

deactivated with the switch. The The switcswitch may h may also also be usebe used to activate d to activate the sythe system. stem. CriteriaCriteria for operation remain unchanged from previous systems.

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Head and Tail Lights

Head and Tail Lights

The head and tail lights of the 2001 E39 have received a new look, utilizing optical wave The head and tail lights of the 2001 E39 have received a new look, utilizing optical wave guide technolog

guide technologyy. . The wavThe wave guides are ae guides are an innovan innovation ttion that are not only aestheticallhat are not only aestheticallyy pleasing, but also enhance safety.

pleasing, but also enhance safety.

Head Lights Head Lights

The front headlights have been completely redesigned, however they fit into the existing The front headlights have been completely redesigned, however they fit into the existing bod

body without any sheey without any sheet metal changes. t metal changes. The The high anhigh and low bd low beam heeam headlights are adlights are freefree-fo-formrm refle

reflectctors and no longer use the glaors and no longer use the glass lensess lenses. s. The The turn signal has beeturn signal has been given in given its owts ownn circular lens next to the low beam.

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The

The parking light and side marker use the optical wave guide technologyparking light and side marker use the optical wave guide technology. . CleaClear ringsr rings surround the high and low b

surround the high and low beam reeam reflectors. flectors. The The rings are rings are illuilluminated by a light sourceminated by a light source mod

module siule similar to the ones used in the Vmilar to the ones used in the Visual isual EEntry Aid system. ntry Aid system. Output Output voltage for the lightvoltage for the light source module com

source module comes from the parking lamp final es from the parking lamp final stage of the LCM IIstage of the LCM III. I. TheThere is re is one lightone light source module located at the back of the head light housing between the high and low source module located at the back of the head light housing between the high and low beam hea

beam headlights. dlights. The The side marker side marker for USfor US modmodels els also haalso has an s an additional wave additional wave guide con-guide con-ductor for illumination.

ductor for illumination.

Third generation Xenon headlights manufactured by Hella are standard equipment on V-8 Third generation Xenon headlights manufactured by Hella are standard equipment on V-8 pow

powereered cars and avad cars and available ilable as aas an optn option on the 6 cyliion on the 6 cylinder models. nder models. All All xenon exenon equippquippeded vehi

vehicles also use cles also use LLWRWR automatic automatic headliheadlight adjustmght adjustment to ment to maintain aintain the vertical adjustmentthe vertical adjustment of t

of the headlihe headlights ghts at any vehiat any vehicle load. (cle load. (Refer to Refer to the 1999 Mthe 1999 M odel Update traodel Update trainiining for details of sysng for details of sys--tem operation)

tem operation)

Light source module Light source module

US version side marker reflector with wave US version side marker reflector with wave guide illumination.

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Tail lights Tail lights

The rear light housings have also been The rear light housings have also been modi-fied for

fied for 2001. 2001. No body changes No body changes were were neces- neces-sary.

sary.

The LED illuminated tail lights provide an The LED illuminated tail lights provide an excit-ing fresh l

ing fresh look took to the part o the part of a 5 Serieof a 5 Series most s most dri- dri-vers on the road are familiar with.

vers on the road are familiar with.

Each tail light housing contains 4 wave guide Each tail light housing contains 4 wave guide assemblie

assemblies. s. At either At either end of the end of the wave guiwave guidesdes is

is a a printed circuit board with printed circuit board with 4 LE4 LEDs. Ds. TheThe LEDs provide the illumination for the tail light LEDs provide the illumination for the tail light only

only. . US US modmodels use els use an aan adddditionitional al 4 LE4 LEDs inDs in the corner of the housing as a side marker. the corner of the housing as a side marker.

On Sport Wagon models, the tail light On Sport Wagon models, the tail light assem-bly is

bly is twtwo pieces. o pieces. In In this case this case there there contcontinueinue to be only two sets of LEDs; one supplying to be only two sets of LEDs; one supplying light for e

light for each halach half of the f of the housing. housing. US US modmodelsels also have two LEDs for the side marker.

also have two LEDs for the side marker.

The advantage to using LEDs is the longer life The advantage to using LEDs is the longer life span as well as lower power consumption. span as well as lower power consumption.

The function of the LCM III remains unchanged from the previous year with the exception The function of the LCM III remains unchanged from the previous year with the exception that b

that because of the ecause of the LELED illD illuminated tail liuminated tail lights, tghts, there here is no tail is no tail light monitoring functlight monitoring function. ion. TheThe LCM

LCM IIIII I module has module has been ubeen updpdated for the ated for the new linew lighting featureghting features of s of the 2001 Ethe 2001 E39. 39. AllAll replacement LCM modules will supercede to this version in the parts system and it can be replacement LCM modules will supercede to this version in the parts system and it can be

Four wave guides illuminated by 8 LEDs Four wave guides illuminated by 8 LEDs

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E39 IHKR

E39 IHKR

The 525i/it will be fitted with IHKR as standard The 525i/it will be fitted with IHKR as standard equipment.

equipment. IHKA IHKA will be avwill be availaailable as ble as an optionan option on those vehicles by ordering the Convenience on those vehicles by ordering the Convenience package: SA 466.

package: SA 466.

IHKR is a semi-automatically regulated heating IHKR is a semi-automatically regulated heating and

and airair-c-conditioning sonditioning system. ystem. The The comcomponentsponents are similar to the IHKR system used in the X5 are similar to the IHKR system used in the X5 3.0i.

3.0i.

The E39 IHKR is a single zone system that regulates the temperature of the cabin based The E39 IHKR is a single zone system that regulates the temperature of the cabin based on the occupants desired temperature, s

on the occupants desired temperature, seleelectcted by a ed by a temperature setemperature setttting dialing dial. . Blower con-Blower con-trol, air distribution settings and stratification flap are manual.

trol, air distribution settings and stratification flap are manual.

System Components

System Components

The E39 IHKR consists of the following components: The E39 IHKR consists of the following components:

•• IIHKHKR R contrcontrol ol ununit it with with opeoperaratinting cong controtrolsls

•• IHIHKR KR inintegrtegrateated hed heateater ar and and air ir condiconditionitioning cang casese

•• 1 He1 Heaateter corr core tee tempemperaratuture re sesensnsoror

•• EEvvaapoporaratotor ter tempemperaratuturre se seennsosorr

•• InInteriterior or tempetemperarature ture sesensonsor (r (localocated ited in drn driviverers fs footwelootwell)l) •• DoDoubublle e cacage ge blbloweower mr motootor ar and nd fifinanal l stastagege

•• 1 W1 Wateater vr valalve ve ((duty duty cyclcycle cone controtrolllleded)) •• AAuuxxiilliiaarry y wawateter r pupumpmp

•• 1 F1 Frreesh sh aaiir/rr/ree-ci-cirrc stec steppepper mor motortor

•• AAuxuxiililiaary ry fafan (n (DMDME E concontrtrolollleed)d)

•• RRefefririgegerarant nt PPreressssurure e SeSensnsoror

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E39 IHKR I.P.O.

E39 IHKR I.P.O.

-- ++ HEATER CORE HEATER CORE KL31 KL31 KL30 KL30 KL15 KL15 FAN SPEED FAN SPEED  A/C

 A/C REQUESTREQUEST

RECIRCULATION RECIRCULATION REAR DEFROST REAR DEFROST  TEMPERATURE  TEMPERATURE CONTROL CONTROL EVAPORATOR EVAPORATOR  TEMPERATURE  TEMPERATURE

WASHER JET HEATER WASHER JET HEATER

BLOWER MOTOR OUTPUT

BLOWER MOTOR OUTPUT STSTAGEAGE

REAR WINDOW DEFROST RELAY REAR WINDOW DEFROST RELAY WATER VALVE WATER VALVE

FRESH AIR/RECIRC MOTOR FRESH AIR/RECIRC MOTOR E39

E39 IHKR IHKR

REFRIGER

REFRIGERANT ANT PRESSUREPRESSURE

45 45 8080 72 72 TEMP TEMP K-BUS K-BUS + + MM KL 30 KL 30 KL 15KL 15 M M  AUXILIARY

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IHKR control unit with operating controls IHKR control unit with operating controls The

The IHKR IHKR contcontrol unirol unit is incorporated into tt is incorporated into the control panelhe control panel. . The The contcontrol panerol panel consists ofl consists of three buttons and three rotary dials.

three buttons and three rotary dials.

Function

Functional

al Description:

Description:

•• Air distribution:Air distribution: is carried out using the mechanical rotary dial acting on threeis carried out using the mechanical rotary dial acting on three bowd

bowden cablesen cables..

•• Blower adjustment:Blower adjustment: is carried out using the rotary dial potentiometer (22 steps). Theis carried out using the rotary dial potentiometer (22 steps). The control unit signals the final stage via a variable voltage signal.

control unit signals the final stage via a variable voltage signal.

•• Temperature control:Temperature control: The desired interior temperature is set with the rotary dialThe desired interior temperature is set with the rotary dial pot

potentiometer on the coentiometer on the control panel. ntrol panel. TTemperature reemperature regulation is based on the Ygulation is based on the Y-fact-factoror.. The inputs used to determine the Y-factor are:

The inputs used to determine the Y-factor are:

•• PosPositiition on of of the the tempetemperarature ture control control potentipotentiometeometer dir dialal •• HeHeaateter cr corore e tetempemperaratuturree

•• CCoooollaannt tet tempmpeerraatuturree •• EExtexteririor or TTeempemperaraturturee •• IIntenteririor or TTeempemperaratuturree

Control of the interior temperature is carried out by the control unit cycling the water Control of the interior temperature is carried out by the control unit cycling the water val

valve to regulve to regulate the temperature of the heate the temperature of the heater core. ater core. During heDuring heater operation theater operation the auxiliary water pump will be switched on to increase coolant circulation through the auxiliary water pump will be switched on to increase coolant circulation through the heater core.

heater core. The The serviservice station feature is carriece station feature is carried over to td over to the Ehe E39 IHKR.39 IHKR.

•• Fresh air/recirculation:Fresh air/recirculation: Recirculation is requested by an input to the control panelRecirculation is requested by an input to the control panel but

button or the MFton or the MFL. L. The The contcontrol urol unit actuates the frnit actuates the fresh esh air/re-cair/re-circ stepper motor forirc stepper motor for cont

control of rol of the flap position. the flap position. Ram Ram effeeffect air is ct air is comcompensated forpensated for..

•• Air cAir conditioninonditioningg:: ThThee rerequest for air conditioniquest for air conditioning is made by means of a push buttng is made by means of a push button.on.

X X661111 XX661100 1 122 ppiinn 2266 ppiinn X18341 X18341 3 pin 3 pin Blu

Blue - e - vent flapsvent flaps Red - defrost flaps Red - defrost flaps Green - footwell flaps Green - footwell flaps 3 cables

3 cables 1. Temperature control potentiometer

1. Temperature control potentiometer 2. Air distribution mechanical knob 2. Air distribution mechanical knob

3. Fan control potentiometer 3. Fan control potentiometer

1 1 22 33 4 4 5 5 6 6 4. Re 4. Recirculatiocirculationn

5. Air conditioning request 5. Air conditioning request 6. Rear window defroster 6. Rear window defroster

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The IHKR control module communicates with the DME via the K-Bus/KOMBI/CAN Bus The IHKR control module communicates with the DME via the K-Bus/KOMBI/CAN Bus link to request permission for compressor activation. The control of the compressor link to request permission for compressor activation. The control of the compressor clutch is directly by the IHKA module via a final stage.

clutch is directly by the IHKA module via a final stage.

•• Rear Window Defroster:Rear Window Defroster: The rear window defroster is controlled via a request fromThe rear window defroster is controlled via a request from the butt

the button on the on on the panel. panel. After switching on for the After switching on for the first time, the refirst time, the rear window is hear window is heatedated for 10 minutes.

for 10 minutes. Output voltage to the window is provided by Output voltage to the window is provided by the K13 rthe K13 rear ear defoggerdefogger rela

relayy. . After aAfter automatutomatic switch off, if the ic switch off, if the butbutton is preston is pressed once ased once again gain the control unit willthe control unit will pro

provide vide a clocked operation ala clocked operation alternating at 40 seternating at 40 secondconds on as on and 80 seconds off. nd 80 seconds off. If If thethe vehicle voltage drops below 11.4V during this second heating operation the function is vehicle voltage drops below 11.4V during this second heating operation the function is stop

stopped, howped, howeveever the LEr the LED on the button wD on the button will ill not be extinguished. not be extinguished. If vIf voltage increoltage increasesases past 12.2V for a

past 12.2V for at leat least one sst one second, cecond, clocked operation will rlocked operation will resume. esume. Clocked operationClocked operation cont

continues inues until the button is until the button is pressed agapressed again or the in or the ignition is ignition is cycled.cycled.

•• Washer Jet Heating:Washer Jet Heating: The IHKR provides operating current to the washer jet heatersThe IHKR provides operating current to the washer jet heaters based on outside temperature.

based on outside temperature. The The washer jewasher jets are ts are heated below an outsideheated below an outside temperature of 37

temperature of 37oo

F F..

•• K-K-Bus CommunicationBus Communication:: The IHKR control unit is on the vehicle K-bus and receivesThe IHKR control unit is on the vehicle K-bus and receives and sends information concerning:

and sends information concerning:

•• EEngine ngine temperatemperature, ture, RPRPM, KL61, KM, KL61, KL50, compressL50, compressor reor request, aquest, auxiuxilialiary ry fan fan rerequest,quest, compressor load (DME)

compressor load (DME)

•• OuOutside tside tempetemperarature ture KLKL15 a15 and rnd road oad spespeed (ed (KOKOMBIMBI)) •• DiDiagagnonosisis s anand codid coding ng ((DIDIS/MoDS/MoDiCiC))

V

Ventilation entilation FlapFlap

Stratification flap Stratification flap Defrost Flap Defrost Flap Blower Blower Left side of IHKR case Left side of IHKR case

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IHKA IV

IHKA IV

The

The IHKA IHKA system is standard equipment on 530i, 540i/system is standard equipment on 530i, 540i/ it and M5 modit and M5 models. els. It is aIt is avaivailable lable asas an option for the 525i/it

an option for the 525i/it. . IHKA IHKA has beehas been ren redesigned for the 2001 Edesigned for the 2001 E39, it is identifie39, it is identified asd as IHKA I

IHKA IVV. . The The carry over features from tcarry over features from the previous version are:he previous version are:

•• IIntnteegrgraateted contd contrrol pol paanenell/modu/modullee..

•• SeSeparparate teate tempermperaturature contre control for drol for driviver aer and pasnd passesengengerr..

•• AiAir disr distributribution contion control thtrol throurough the ugh the use of se of 5 “smart” steppe5 “smart” stepper motors ar motors and one nd one fafast actinst actingg hard wired stepper motor.

hard wired stepper motor.

•• AuAutomatomatic retic recircirculculatiation conon controtrol (l (AUAUC)C)..

•• RReciecircurculalatiotion n contrcontrol ol vivia a MFMFL.L.

•• “Re“Rest” functist” function for on for reresisiduadual hel heat wheat when enn engingine ie is not rus not runninning.ng.

•• SeServirvice stace station fetion feature ature that closethat closes the s the water vwater valalveves when s when stopped to prevstopped to prevent hent hot coolantot coolant flooding the heater core.

flooding the heater core.

•• A/C comprA/C compresessor sor clutch clutch actiactivavation tion vivia a a a finfinal al stagstage cone controltrol..

•• StrStratiatifificatication fon flalap contrp control vol via ia a bowdea bowden can cableble..

Please refer t

Please refer to the Climate o the Climate Control couControl course materse material ST 054 for a rial ST 054 for a complete functional descripcomplete functional description oftion of E39 IHKA E39 IHKA 7 7000 0 F F 66440 0 FF

--

++  AUTO  AUTO  A  A  AUT  AUTOO MAX MAX

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E39 IHKA IV I.P.O.

E39 IHKA IV I.P.O.

E39 IHKA IV E39 IHKA IV CONTROL CONTROL PANEL/ PANEL/ MODULE MODULE MAX DEFROST MAX DEFROST DEFROST VENT DEFROST VENT  A/C COMPRESSOR  A/C COMPRESSOR FACE VENT FACE VENT RECIRCULATION - AUC RECIRCULATION - AUC FOOTWELL VENT FOOTWELL VENT REAR DEFROST REAR DEFROST  AUTOMA

 AUTOMATIC PROGRAMTIC PROGRAM MAX COOLING/ MAX COOLING/ REST HEATING REST HEATING FAN SPEED FAN SPEED REQUEST REQUEST INDEPENDENT DRIVER INDEPENDENT DRIVER & PASSENGER SIDE & PASSENGER SIDE  TEMPERA

 TEMPERATURE CONTROLTURE CONTROL

EVAPORATOR EVAPORATOR  TEMPERA  TEMPERATURETURE  AUTO  AUTO MAX MAX 70 F 76 F 70 F 76 F

IINNT T E E R R I  I  O  O  

R   R   A  A  I   I   BLOWER BLOWER RELAY RELAY KL 31 KL 31 KL 30KL 30 KL 15 KL 15 M-BUS M-BUS

- FACE VENT FLAP - FACE VENT FLAP - DEFROST - DEFROST - FOOTWELL - FOOTWELL -

- FRESH AIR/RECIRCULAFRESH AIR/RECIRCULATIONTION

- RAM AIR FLAP - RAM AIR FLAP FIVE STEPPER FIVE STEPPER

MOTORS MOTORS FRESH AIR FLAP FRESH AIR FLAP STEPPER MOTOR STEPPER MOTOR

INTERIOR AIR TEMP INTERIOR AIR TEMP

PHOTO TRANSISTOR PHOTO TRANSISTOR    6    6  4  411   1   1   8   8   3   3   9   9   1   1  4  4   2   2   0   0 COMPRESSOR COMPRESSOR CONTROL CONTROL  AUC GAS  AUC GAS SENSOR SENSOR HEATER HEATER K-BUS K-BUS - Coolant temp - Coolant temp - Outside Air Temp - Outside Air Temp - Vehicle speed - Vehicle speed - KL R - KL R - Recirc from MFL - Recirc from MFL - Diagnosis - Diagnosis LEFT LEFT WATER WATER  VAL  VALVEVE RIGHT RIGHT WATER WATER  VAL  VALVEVE

--

++  A  A WASHER JET

WASHER JET HEATHEATINGING

2-8 VOLT 2-8 VOLT SIGNAL SIGNAL

M

M

BLOWER MOTOR BLOWER MOTOR OUTPUT STAGE OUTPUT STAGE + +      B      B     L      L     O       O      W      W     E      E     R      R

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Changes made to the E39 IHKA

Changes made to the E39 IHKA

•• NeNew Cow Contrntrol ol UUninit (t (sisincnce 9e 9/00)/00)..

•• AddAdditiition oon of sof solalar sr senensosor (r (sisince nce 9/00)9/00)..

•• NeNew IHKA w IHKA inintegrtegrateated head heater ater and aind air conditir conditionioning casng case (e (sisince 3/00)nce 3/00)..

IHKA IV Control Unit IHKA IV Control Unit

Th

The “REe “RESTST”” button obutton on the control unin the control unit has beent has been replaced with a

replaced with a “M“MAXAX” butt” button. on. TTwo differewo different functionsnt functions are carried out by pushing the MAX button:

are carried out by pushing the MAX button:

•• MaMaxxiimumum cm coooolliing ng fufuncnctitionon •• RReesisiduduaal l heheaat ft fuuncnctitionon

Determination of which function will be enabled is Determination of which function will be enabled is based on switching criteria.

based on switching criteria.

A/C MAX function A/C MAX function

(Th

(This feature was is feature was introintroduced in the E38 since 9/duced in the E38 since 9/ 99)99)

Maximum cooling performance is

Maximum cooling performance is automaticautomatically ally activated by pressiactivated by pressing the MAX ng the MAX buttbutton. on. AnAn LED on the button illuminates to indicate that the function is active.

LED on the button illuminates to indicate that the function is active.

Criteria for operation: Criteria for operation:

Terminal 15 “on” , MAX button pressed and outside temperature above 60 Terminal 15 “on” , MAX button pressed and outside temperature above 60 oo

F F..

The following settings are adjusted or activated: The following settings are adjusted or activated:

•• TTemperaemperature ture control icontrol is cans canceleceled and and the d the temperatemperature ture displadisplay y indicaindicates 60tes 60ooFF..

•• BoBoth wath wateter vr vaalvlvees as arre ce cllososeed.d.

•• TThe he leleft aft and rind right Yght Y-fa-factors ctors arare se set to -27.5et to -27.5%.%.

•• TThe comhe comprepressor ssor is sis switchewitched on (d on (LELED turnD turns on is on in the n the A/C switchA/C switch)).. •• TThe he bloblower wer sesettintting ig is ss set et to mato maxiximummum..

•• ReRecircirculaculation ition is activs activateated (Ld (LEED turns on iD turns on in the ren the re-circ switch)-circ switch).. •• AiAir disr distritributibution ion is ses set to centet to center vr venents onts onlyly..

Operation of the max defrost is overr

Operation of the max defrost is overridden by selecting MAXidden by selecting MAX. . The The operation of toperation of the rehe rear win-ar win-dow defogger is not affected.

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RES

RESTT FuFunctinctionon Th

The REe RESTST function continuefunction continues to s to operate aoperate as usuas usual excel except pt that the MAXthat the MAX button button has takehas taken then the place of the

place of the REREST ST butbutton. ton. Activation criteria Activation criteria contcontinues inues to be:to be: •• IIgngnititiion on “O“OFFFF” or ” or iin Kn KL RL R..

•• “M“MAAXX” bu” butttton on prpreesssseed.d.

•• OOututsiside de tetempemperaraturture e bebellow 6ow 600ooFF..

•• CoCoololaant nt tetempemperaratuture re aabovbove e 8080oo

C. C. •• BaBattettery ry vvololtatage age abovbove 11e 11.4V.4V..

The

The RERESTST feature operatfeature operates as es as previouslypreviously..

Diagnostics Diagnostics The

The IHKA IHKA IVIV diagnosis has beediagnosis has been upgraded tn upgraded to the E46 style diao the E46 style diagnostic gnostic program.program.

Solar Sensor

Solar Sensor

The

The IHKAIHKA IV IV integrates the solar senintegrates the solar sensor into tsor into thehe calculation used to automatically regulate the calculation used to automatically regulate the interior

interior vehivehicle cle temperature. temperature. The The sensor sensor isis located in the right side defrost outlet.

located in the right side defrost outlet.

In the case of a very sunny day, the interior In the case of a very sunny day, the interior warms faster than the control unit can warms faster than the control unit can compen-sate for

sate for. . SimilSimilar iar is true if s true if the weather suddenlythe weather suddenly becomes overcast.

becomes overcast.

The input of the solar sensor in the E39 can The input of the solar sensor in the E39 can affect the operation of:

affect the operation of: •• BBlloowewer r sseettttiinngg

•• AAiir dir distrstriibubutition on to ceto centnteer vr veentnt

Because the E39 IHKA IV is a dual zone system. the solar sensor housing contains two Because the E39 IHKA IV is a dual zone system. the solar sensor housing contains two photo-resistors that measure solar radiation on the left and right halves of the interior. photo-resistors that measure solar radiation on the left and right halves of the interior.

Solar Sensor Solar Sensor

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IHKA integrated heater and air conditioning case

IHKA integrated heater and air conditioning case

The

The EE39 IHKA39 IHKA case hacase has been rs been redesigned siedesigned since 3/nce 3/00. 00. The The E39 aE39 and E53 both share nd E53 both share thethe same case design.

same case design.

The difference from the previous case is that a single flap (left and right), controls both the The difference from the previous case is that a single flap (left and right), controls both the fresh

fresh air air and recirand recirculation inleculation inlets. ts. Ram aRam air is ir is contcontrollerolled by a sed by a separate flaparate flap. p. What makes What makes itit possible to use a single flap for fresh air/re-circ is the semi-circular door; as one inlet is possible to use a single flap for fresh air/re-circ is the semi-circular door; as one inlet is cov-ered another is opened.

ered another is opened.

Please refer t

Please refer to the Climate o the Climate Control couControl course materse material ST 054 for a rial ST 054 for a complete functional descripcomplete functional description oftion of ram

ram air pressure compensation.air pressure compensation.

1. Stepper motor for footwell 1. Stepper motor for footwell

2. Stepper motor for rear compartment, stratification 2. Stepper motor for rear compartment, stratification 3. Fresh air/

3. Fresh air/ recirculrecirculation flapation flap 4. Output stage for blower motor 4. Output stage for blower motor 5. Stepper motor for ram air flap 5. Stepper motor for ram air flap 6. Ram air flap

6. Ram air flap

Stepper motors for the fresh air/recirculation, Stepper motors for the fresh air/recirculation, defrost and ventilation flaps are located on the defrost and ventilation flaps are located on the left side of the housing

left side of the housing

3 3 6 6 4 4 2 2 1 1 55

Right Side of IHKA IV Case Right Side of IHKA IV Case

Ram air and fresh air/re-circ flaps as seen from the engine side of the bulkhead Ram air and fresh air/re-circ flaps as seen from the engine side of the bulkhead

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E39 Rear Head Protection System (HPS)

E39 Rear Head Protection System (HPS)

For 2001, rear head protection airbags (HPS) For 2001, rear head protection airbags (HPS) will be available for sedans ordered with rear will be available for sedans ordered with rear side airbags.

side airbags.

The airbags are a cushion (not an ITS) that is The airbags are a cushion (not an ITS) that is deployed from the C-p

deployed from the C-pillaillarr. . The The HPS HPS willwill nonott bebe de-activated along with the side airbags from de-activated along with the side airbags from the factory since there is no danger to small the factory since there is no danger to small children sitting out of position.

children sitting out of position.

A vehicle with rear HPS can be identified by A vehicle with rear HPS can be identified by observing “HPS” embossed in the C-pillar observing “HPS” embossed in the C-pillar cover.

cover.

Rear airbags with HPS will be standard equipment on the 2001 E39 M5. Rear airbags with HPS will be standard equipment on the 2001 E39 M5.

Revi

Review

ew Question

Questions

s

1.

1. WhaWhat addition was t addition was made to the made to the 16 pin O16 pin OBD conneBD connector that made diactor that made diagnosis gnosis possiblepossible with the DIS/MoDiC?

with the DIS/MoDiC?

2.

2. DesDescribe the procedurcribe the procedure to resee to reset tt the She Servervice Iice Intervnterval Ial Indicator from the inndicator from the instrumenstrumentt cluster.

Figure

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References

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