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For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Grand Am 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Automatic Transmission Controls Schematics

Automatic Transmission Controls Schematics LA1

Figure 1:

Brake Switch, Solenoids and VSS: 4T45-E 3.4L(LA1)
Object Number: 666099 Size: FS
Master Electrical Component List
Electronic Component Description
TFP Valve Position Switch, TFT Sensor and A/T ISS Sensor: 4T45-E 3.4L(LA1)
OBD II Symbol Description Notice
Cruise Control Module
PWR WNDWS Circuit Breaker, CRUISE SW, Cruise, SUNROOF, HVAC BLOWERFuses
IGN SW-BATT2, WIPER, AIR BAG, TURN LPS, IGN MOD, BU LMP, PCM IGN, F/PINJR, A/C BFC, AUTO TRANS, ABS, IGN Fuses
Figure 2:

TFP Valve Position Switch, TFT Sensor and A/T ISS Sensor: 4T45-E 3.4L(LA1)
Object Number: 666102 Size: FS
Master Electrical Component List
Electronic Component Description
Brake Switch, Solenoids and VSS: 4T45-E 3.4L(LA1)
OBD II Symbol Description Notice

Automatic Transmission Controls Schematics LD9

Figure 1:

Brake Switch and Solenoids, 4T40 - E (LD9)
Object Number: 666087 Size: FS
Master Electrical Component List
Electronic Component Description
TFP Valve Position Switch, TFT Sensor and A/T ISS Sensor: 4T40-E (LD9)
OBD II Symbol Description Notice
IGN SW-BATT2, WIPER, AIR BAG, TURN LPS, IGN MOD, BU LMP, PCM IGN, F/PINJR, A/C BFC, AUTO TRANS, ABS, IGN Fuses
PWR WNDWS Circuit Breaker, CRUISE SW, Cruise, SUNROOF, HVAC BLOWERFuses
Cruise Control Module
Power, Cruise Control Brake Switch, VSS
Power, Ground, CPP, Cruise Control, Brake Switch
Figure 2:

TFP Valve Position Switch, TFT Sensor and A/T ISS Sensor: 4T40-E (LD9)
Object Number: 666092 Size: FS
Master Electrical Component List
Electronic Component Description
Brake Switch and Solenoids, 4T40 - E (LD9)
OBD II Symbol Description Notice