APPENDIX E — WELDING ON VEHICLE/VEHICLE INTERFACE MODULE
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL
E–2 Copyright © 2000 General Motors Corp.
APPENDIX E — WELDING ON VEHICLE/VEHICLE INTERFACE MODULE APPENDIX E — WELDING ON VEHICLE/VEHICLE INTERFACE MODULE
Figure E–2.
Figure E–2. VIM ComponVIM Components Location ents Location and Pin-Out and Pin-Out DiagramDiagram R1/18
R22//1188 CC11//3300 C1/30
C1/30
IGNITION FUSE IGNITION FUSE R1/18
30-WAY CONNECTOR 30-WAY CONNECTOR
(PIN ID/30) (PIN ID/30)
Pin numbering on Pin numbering on bottom of relay bottom of relay
18-WAY CONNECTOR 18-WAY CONNECTOR
(PIN ID/18) (PIN ID/18)
TERMINAL BOARD TERMINAL BOARD IDENTIFICATION See page D-21 for
See page D-21 for wire/terminal usage.
wire/terminal usage.
See page D-20 for See page D-20 for wire/terminal usage.
M11//1188 CC11//3300
(–)
WIRE 113/REVERSE WARNING WIRE 113/REVERSE WARNING
(K4) (K4) WIRE 132/GPO 1 WIRE 132/GPO 1
(K2) (K2) WIRE 123/NEUTRAL START WIRE 123/NEUTRAL START
A3/30
R33//1188 CC11//3300
R
R11//1188 RR11//1188 D1/30 D1/30
E1/30 E1/30 C
C11//3300 NN22//1188
F3/30 WIRE 114/GPO 4 WIRE 114/GPO 4
(K6) (K6) WIRE 125/GPO 9 WIRE 125/GPO 9
(K3) (K3) WIRE 112/GPO 7 or 32 WIRE 112/GPO 7 or 32
(+)
Ignition fuse must be in
Ignition fuse must be in place and not open for there to beplace and not open for there to be continuity between pins C1/30 and S1/18
continuity between pins C1/30 and S1/18
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL
F
Fiigguurree DDeessccrriippttiioonn PPaagNNoge e o..
F–1 5610, 6610 Models — Hydraulic Schematic F–3/F–4
F–2 8610 Model — Hydraulic Schematic F–5/F–6
F–3 M 9610 Models — Hydraulic Schematic F–7/F–8
F–4 S 9810 Models — Hydraulic Schematic F–9/F–10
APPENDIX F — HYDRAULIC SCHEMATICS APPENDIX F — HYDRAULIC SCHEMATICS
NOTES NOTES
F–2 Copyright © 2000 General Motors Corp.
APPENDIX F — HYDRAULIC SCHEMATICS APPENDIX F — HYDRAULIC SCHEMATICS
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL APPENDIX F —
APPENDIX F — HYDRAULIC SCHEMATICSHYDRAULIC SCHEMATICS
Sum p Sum p
ORIFICE ORIFICE ORIFICE
ORIFICE
ORIFICE
ORIFICE (BLOCKED FOR LOCK–IN–NEUTRAL) Solenoid G✽
Solenoid J Solenoid J Solenoid A
Solenoid A✽ Reverse Shift Valve Shift Valve
High Relief Valve Relief Valve 80 psi Shift Valve Shift Valve
ORIFICE
VALVE ASSEMBLY LOCATED ON CONVERTER HOUSING VALVE ASSEMBLY
LOCATED ON TOP OF CONVERTER HOUSING Ground
Interm ediate Clutch Interm ediate Clutch
Second Range) 6
5
HIGH, SPLITTER HIGH HIGH, SPLITTER LOW INTERMEDIATE, SPLITTER HIGH INTERMEDIATE, SPLITTER LOW LOW, SPLITTER HIGH LOW, SPLITTER LOW SPLITTER LOW SPLITTER LOW, REVERSE SPLITTER HIGH, REVERSE CLUT CHES CLUT CHES ENGAGED ENGAGED
VALVE POSITIONS SHOWN ARE WITH TRANSMISSION IN NEUTRAL WITH ENGINE RUNNING NOTES:
NOTES:
NOT USED IN MODELS WITH LOCK—IN—NEUTRAL
✽
MAIN PRESSURE MAIN PRESSURE CONVERTER–IN
LOW DIFF. PRESSURE
HIGH DIFF. PRESSURE A
ORIFICE ORIFICE ORIFICE
SPLITTER–LOW T his Ground
T his Ground Sleeve Vent is Sleeve Vent is Open for all Open for all T C Series T C Series except T C682 except T C682
& T C683
Figure F–1. 5610, 6610 Models — Hydraulic Schema5610, 6610 Models — Hydraulic Schematictic
Main Main Pressure Main Pressure Regulator Valve Regulator Valve
VALVE ASSEMBLY LOCATED ON TOP OF CONVERTER HOUSING VALVE ASSEMBLY
LOCATED ON SIDE OF
CONVERTER HOUSING FROM
FILTERS
TO FILTERS
BOOSTER PLUG
TO RETARDER
30 PSI CONVERTER OUT REGULATOR
Hydraulic Retarder Hydraulic Retarder Control Valve Control Valve
LOW DIFF. PRESSURE
HIGH DIFF. PRESSURE A
Solenoid K Solenoid K
Lockup Lockup Shift Valve Shift Valve ORIFICE
FROM RETARDER
VALVE ASSEMBLY LOCATED ON CONVERTER HOUSING
ORIFICE REVERSE
ORIFICE LUBRICATION
Solenoid I Solenoid I Reverse RangeShiftShift Valve Range Shift Range Shift Valve Valve
Fifth / Sixth Fifth / Sixth Range Shift Range Shift Valve
Solenoid C Solenoid C
Solenoid Solenoid F Solenoid F
Solenoid G Solenoid E
Solenoid E
ORIFICE Solenoid B
Solenoid B
EX
Solenoid B Solenoid B
EX TO RETARDER
ORIFICES CONVERTER – IN CONVERTER – IN CONVERTER – OUT CONVERTER – OUT LUBRICATION LUBRICATION EXHAUST OR SUMP EXHAUST OR SUMP SPLITTER – LOW SPLITTER – LOW R, N, 1, 2 BOOSTER R, N, 1, 2 BOOSTER SOLENOID PRESSURE SOLENOID PRESSURE EX - DENOTES EXHAUST EX - DENOTES EXHAUST
**
Notes:
Notes:
Not Used for Lock—In—Neutral SHIFT ENERGIZED CLUT CHES CLUT CHES ENGAGEDENGAGED 1
FIRST RANGE, SPLIT T ER LOW SECOND RANGE, SPLIT T ER LOW T HIRD-AND-FOURT H RANGE, SPLIT T ER LOW T HIRD-AND-FOURT H RANGE, SPLIT T ER HIGH FIFT H-AND-SIXT H RANGE, SPLIT T ER LOW FIFT H-AND-SIXT H RANGE, SPLIT T ER HIGH SPLIT T ER LOW REVERSE RANGE, SPLIT T ER LOW
* NOT USED ON MODELS WITH LOCK-IN-NEUTRAL
V05498.01 100 psi
Copyright 2000 © General Motors Corp. F–5/F–6
Figure F–2.
Figure F–2. 8610 Models — Hydraulic Schematic8610 Models — Hydraulic Schematic
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL APPENDIX F —
APPENDIX F — HYDRAULIC SCHEMATICSHYDRAULIC SCHEMATICS
Copyright 2000 © General Motors Corp. F–7/F–8
Figure F–3.
Figure F–3. M 9610 Models — Hydraulic SchematicM 9610 Models — Hydraulic Schematic
Copyright 2000 © General Motors Corp. F–9/F–10 Figure F–4.
Figure F–4. S 9810 Models — Hydraulic SchematicS 9810 Models — Hydraulic Schematic
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC 2) TROUBLESHOOTING MANUAL OUTPUT SPEED – LO OUTPUT SPEED – HI TURBINE SPEED – LO TURBINE SPEED – HI TRANS ID
SOL POWER (F– G– I)
=High Side Driver (switch to power) SC HEMATIC LEGEND:
SC HEMATIC LEGEND:
=Low Side Driver (switch to ground) GPI =GeneralPurpose Input GPO= GeneralPurpose Output PSS =PrimaryShift Selector SSS =SecondaryShift Selector SCI =SerialCommunication Interface F SOL – SPLITTER LO TPS SENSOR INPUT TPS POWER SUMP TEMP INPUT
SOL POWER (E – D – C)
RET TEMP SENSOR INPUT(REF) J SOL or H SOL – HI J SOL or H SOL – LO
OIL LEVEL SENSOR INPUT(REF) e
RET MODULATION (REF) C3 PRESSURE SWITCH (REF) SIGNAL RETURN (GPI) GPI 51 GPI 25 or 34 (+) ENGINE WATER TEMP REVERSE WARNING NEUTRAL START(+) VEHICLE SPEED BATTERY GROUND BATTERY POWER TPS SENSOR INPUT
PRIMARY SHIFT SELECTOR PRIMARY SHIFT SELECTOR
V06666
346 IGNITION POWER C1
357UF OPTIONAL SPEED SIG H2 OUTPUT VEHICLE OUTPUT VEHICLE INTERFACE HARNESS INTERFACE HARNESS
SHIFTER HARNESS (OPTIONAL) SHIFTER HARNESS (OPTIONAL)
RELAY OUTPUT WIRE # 132 LOCKUP INDICATOR REVERSE WARNING RELAY (REQUIRED)
RELAY OUTPUT WIRE # 125 RET INDICATOR NEUTRAL START RELAY (REQUIRED)
RELAY OUTPUT WIRE # 114 RANGE COMMAND INDICATOR RELAY OUTPUT WIRE # 112 OVERSPEED INDIC/
MAN MODE INDIC
RETARDER ENABLE/
QUICK TO NEUTRAL (–) INPUT W IRE # 17 7 BED HOI ST INTERLOCK MANUAL L/U-PARK BRAKE ENABLE
TWO SPEED AXLE INPUT (+) INPUT WIRE # 118 ANALOG GROUND
SIGNAL GROUND # 161 (–) INPUT WIRE # 137 (–) INPUT WIRE # 117
NEUTRAL TO RANGE INHIBIT DELTA-P HOLD
WATER TEMP SENSOR
TRANSMISSION ELECTRONIC CONTROL UNIT (ECU)ELECTRONIC CONTROL UNIT (ECU)
HARNES S T ERM INAL S TEMP SENSOR TEMP SENSOR LOCKUP LOCKUP SOLENOID K SOLENOID K
C 8610, & 9810 8610, & 9810 LOCK-TO-RANGE MODELS TO-RANGE MODELS USE SOLENOID I USE SOLENOID I 5610, 6610, & 9610 5610, 6610, & 9610 MODELS MODELS USE SOLENOID J USE SOLENOID J 8610, & 9610 MODELS 8610, & 9610 MODELS USE SOLENOID H ISO 9141 COMMUNICATION
SIGNAL RETURN INPUT VEHICLE INPUT VEHICLE INTERFACE HARNESS
TRANS INTERFACEINTERFACEJ 1939J 1939
WHITE
(VIW-V) INPUT VEHICLE INTERFACE HARNESSINPUT VEHICLE INTERFACE HARNESS
190 – S21
CHASSIS GROUNDOUTPUT FROM 12V DIMMER NOT USED
ECU INTERFACE SCHEMATIC ECU INTERFACE SCHEMATIC
5/6/8/9000 CEC2 5/6/8/9000 CEC2
143J– S32
Figure G–1. CEC 2 Wiring SchemCEC 2 Wiring Schem aticatic
Copyright 2000 © General Motors Corp. G–1/G–2
APPENDIX G — CEC
APPENDIX G — CEC 2 SYSTEM/ECU WIRING SCHEMATICS2 SYSTEM/ECU WIRING SCHEMATICS
A
TRIM BOOST TRIM BOOST
LOCKUP BODY LOCKUP BODY
SOLENOID
SHIFT LOCK SHIFT LOCK Rev 1Rev 1 Shift LockLock
Shift
11––22––33––55 11––33––44––77 11––33––44––77 Rev 2
Rev 2 2–4–6 2–4–6 NotNot
U
Usseedd 44––66 NotNot U
Usseedd 22––55––66––88 NotNot Used Used
J Sol J Sol Trim Boost Trim Boost J SolJ Sol
Trim Boost Trim Boost H SolH Sol 2nd 1st1st
2nd
2nd 22nndd 22nndd 33rrdd 5th 5th 3rd3rd
5th 5th 3rd
3rd 4th 4th 3rd3rd
4th 4th 3rd3rd
4th 4th 3rd3rd
4th 4th 4th inter4th inter
6th high 6th high 4th inter4th inter
6th high 6th high 5th
5th 6th 6th 5th5th
6th 6th 5th5th
6th 6th 5th5th
6th 6th 7th7th
8th 8th 7th7th
8th 8th Range
Range Lock Lock NotNot
Used Used RangeRange
Lock Lock NotNot
Used Used RangeRange
Lock Lock NotNot
Used
LEGEND: LIR = Lock-in-Range LTN = Lock-to-Neutral TPS = Throttle Position Sensor SS = Speed Sensor L 9610 LIRLIR
8610 8610 LTNLTN
8610 8610 LIRLIR
9810 9810 LTNLTN
9810 9810
SS – TURBINE SS – TURBINE SS – OUTPUT SS – OUTPUT
Figure G–2.
Figure G–2. CEC 2 CEC 2 Solenoid Function By Solenoid Function By ModelModel
Copyright 2000 © General Motors Corp. G–3/G–4