GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2002
🢒
DeVille
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T80-E
🢒 Automatic Transmission Controls Schematics
Figure
1:
PCM Power and Grounds
Master Electrical Component List
Transmission General Description
ABS/TCC Switch and Transaxle Solenoids
Ignition Switch
Starter Solenoid Controls
Ignition Switch
Start Circuit Breaker, PCM, IGN and IGN 1 Fuses
ALDL, PCM BATT, IP Fuses
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Figure
2:
Stop Lamp Switch and Transaxle Solenoids
Master Electrical Component List
Transmission General Description
Automatic Transaxle - Sensors
PCM Power and Grounds
Cruise Control Switches and Module Power and Ground
SIR, Vent Sol, and IGN 1 Fuses
Oxy Sen, CR Cont, MDL Coil, Trans Fuses
Figure
3:
Sensors
Master Electrical Component List
Transmission General Description
Automatic Transaxle - IMS Switch and VSS
ABS/TCC Switch and Transaxle Solenoids
Figure
4:
Transmission Internal Mode Switch (IMS) and VSS
Master Electrical Component List
Transmission General Description
Automatic Transaxle - Sensors