GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power And Grounding


Object Number: 52303  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Data Link Connector
Fuel Pump Controls
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Figure 2:

Data Link Connector


Object Number: 52307  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Ignition Controls
Power And Grounding
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 3:

Ignition Controls


Object Number: 52310  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Fuel Level Sensor
Data Link Connector
OBD II Symbol Description Notice
Power And Grounding
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 4:

Fuel Level Sensor


Object Number: 52312  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Fuel Pump Controls
Ignition Controls
Sensors
Sensors
Sensors
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Figure 5:

Fuel Pump Controls


Object Number: 52314  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Fuel Injector Controls
Fuel Level Sensor
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
OBD II Symbol Description Notice
Figure 6:

Fuel Injector Controls


Object Number: 52316  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Sensors
Fuel Pump Controls
OBD II Symbol Description Notice
Power And Grounding
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 7:

Sensors


Object Number: 52328  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Valve Controls
Fuel Injector Controls
OBD II Symbol Description Notice
Fuel Level Sensor
Valve Controls
Fuel Level Sensor
Valve Controls
Automatic Transmission Range Inputs
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 8:

Valve Controls


Object Number: 52336  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Oxygen Sensors
Sensors
OBD II Symbol Description Notice
Sensors
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Sensors
Figure 9:

Oxygen Sensors


Object Number: 52338  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Manual Transmission Inputs And Outputs
Valve Controls
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 10:

Manual Transmission Inputs And Outputs


Object Number: 52340  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Four Wheel Drive Inputs
Oxygen Sensors
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 11:

Four Wheel Drive Inputs


Object Number: 52342  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Speed Sensors
Manual Transmission Inputs And Outputs
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 12:

Speed Sensors


Object Number: 52343  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Automatic Transmission Shift Solenoid Control
Four Wheel Drive Inputs
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
OBD II Symbol Description Notice
Figure 13:

Automatic Transmission Shift Solenoid Control


Object Number: 52346  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Automatic Transmission Range Inputs
Speed Sensors
Handling Electrostatic Discharge Sensitive Parts Notice
OBD II Symbol Description Notice
OBD II Symbol Description Notice
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 14:

Automatic Transmission Range Inputs


Object Number: 52348  Size: FS
Engine Controls Components
Vehicle Control Module VCM
AC Controls
Automatic Transmission Shift Solenoid Control
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Sensors
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 15:

AC Controls


Object Number: 52351  Size: FS
Engine Controls Components
Vehicle Control Module VCM
Automatic Transmission Range Inputs
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice