GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2003
🢒
Grand Am
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T40-E/4T45-E
🢒 Automatic Transmission Controls Schematics
Figure
1:
Transmission Soleniods, VSS, and TCC Brake Switch Signal
Master Electrical Component List
Transmission General Description
Transmission Switches
OBD II Symbol Description Notice
PWR WNDW, Circuit Breaker, CRUISE SW, CRUISE, SUNROOF, HVAC BLOWER Fuses
IGN SW-BATT2, WIPER, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI/ PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
IGN SW-BATT2, WIPER, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI/ PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
Power and Ground
Figure
2:
Transmission Switches, TFT, and A/T ISS Sensor
Master Electrical Component List
Transmission General Description
PNP Switch
Transmission Solenoids
OBD II Symbol Description Notice
Figure
3:
PNP Switch
Master Electrical Component List
Transmission General Description
Transmission Switches
OBD II Symbol Description Notice
G102 and G104
G102 and G104