GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
1999
🢒
Seville
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T80-E
🢒 Automatic Transmission Controls Schematics
Figure
1:
Cell 39: PCM Power and Grounds
Automatic Transmission Components
Electronic Component Description
Cell 39: ABS/TCC Switch and Transaxle Solenoids
OBD II Symbol Description Notice
Body Control System Schematics
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Cell 14: G102 and G103
Cell 10: Ignition Switch
Power Distribution Schematics
Cell 10: PCM BATT, EXPORT BRK, IP, ABS SOL, and ABS MOT Fuses
Handling ESD Sensitive Parts Notice
Power and Grounding Connector End Views
Power and Grounding Connector End Views
Figure
2:
Cell 39: ABS/TCC Switch and Transaxle Solenoids
Automatic Transmission Components
Electronic Component Description
Cell 39: Transaxle Sensors and TR Switch
Cell 39: PCM Power and Grounds
OBD II Symbol Description Notice
Cell 10: IGN 1 Relay and SIR, VENT SOL, IGN1 Fuses
Cell 10: OXYSENA, OXYSENB, DIS and CR CONT Fuses
Cell 34: Cruise Control Module Power and Ground
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Power and Grounding Connector End Views
Power and Grounding Connector End Views
Figure
3:
Cell 39: Transaxle Sensors and TR Switch
Automatic Transmission Components
Electronic Component Description
Cell 39: Park/Neutral Position (PNP) Switch and VSS
Cell 39: ABS/TCC Switch and Transaxle Solenoids
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Figure
4:
Cell 39: Park/Neutral Position (PNP) Switch and VSS
Automatic Transmission Components
Electronic Component Description
Cell 39: Transaxle Sensors and TR Switch
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Cell 14: G102 and G103
Engine Controls Connector End Views