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

Power, Ground, MIL, and DLC


Object Number: 395379  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Ignition Controls
OBD II Symbol Description Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Instrument Panel, Gages, and Console Connector End Views
Powertrain Control Module Connector End Views
Data Link Connector Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Instrument Cluster: Digital Schematics
Figure 2:

Ignition Controls


Object Number: 418754  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Controls
Power, Ground, MIL, and DLC
OBD II Symbol Description Notice
Power Distribution Schematics
Ground Distribution Schematics
Powertrain Control Module Connector End Views
Instrument Panel, Gages, and Console Connector End Views
Handling ESD Sensitive Parts Notice
Figure 3:

Fuel Controls


Object Number: 395446  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Engine Data Sensors
Ignition Controls
OBD II Symbol Description Notice
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Figure 4:

Engine Data Sensors


Object Number: 395450  Size: FS
Engine Controls Components
Information Sensors/Switches Description
EVAP and EGR Controls
Fuel Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Powertrain Control Module Connector End Views
Figure 5:

EVAP and EGR Controls


Object Number: 395455  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Oxygen Sensors
Engine Data Sensors
OBD II Symbol Description Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Handling ESD Sensitive Parts Notice
Powertrain Control Module Connector End Views
Figure 6:

Oxygen Sensors


Object Number: 395467  Size: FS
Engine Controls Components
Information Sensors/Switches Description
IAC Valve, Generator, TR and Coolant Switches
EVAP and EGR Controls
OBDII Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 7:

IAC Valve, Generator, TR and Coolant Switches


Object Number: 395477  Size: FS
Engine Controls Components
Information Sensors/Switches Description
VSS and Cruise Control
Oxygen Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Powertrain Control Module Connector End Views
Instrument Panel, Gages, and Console Connector End Views
Figure 8:

VSS and Cruise Control


Object Number: 395488  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Transaxle Controls (Solenoids)
IAC Valve, Generator, TR and Coolant Switches
OBD II Symbol Description Notice
Instrument Panel, Gages, and Console Connector End Views
Instrument Panel, Gages, and Console Connector End Views
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 9:

Transaxle Controls (Solenoids)


Object Number: 395494  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Transaxle Controls (Switches)
VSS and Cruise Control
OBD II Symbol Description Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Instrument Panel, Gages, and Console Connector End Views
Powertrain Control Module Connector End Views
Shift Lock Control Schematics
Cruise Control Schematics
Handling ESD Sensitive Parts Notice
Figure 10:

Transaxle Controls (Switches)


Object Number: 395538  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Controls
Transaxle Controls (Solenoids)
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 11:

A/C Controls


Object Number: 395545  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Cooling Fan Controls
Transaxle Controls (Switches)
OBD II Symbol Description Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Figure 12:

Cooling Fan Controls


Object Number: 395552  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Controls
OBD II Symbol Description Notice
Power Distribution Schematics
Powertrain Control Module Connector End Views
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice