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

Power, Ground, MIL, and DLC


Object Number: 229866  Size: FS
Engine Controls Components
Powertrain Control Module Description
Fuel System
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Instrument Cluster: Analog Schematics
Ground Distribution Schematics
Power Distribution Schematics
Instrument Cluster: Analog Schematics
Data Link Connector Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Figure 2:

Fuel System


Object Number: 229872  Size: FS
Engine Controls Components
Powertrain Control Module Description
Power, Ground, and Fuel Injectors
Power, Ground, MIL, and DLC
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
HVAC Compressor Control Schematics
Engine Data Sensors
Ground Distribution Schematics
Figure 3:

Power, Ground, and Fuel Injectors


Object Number: 229874  Size: FS
Engine Controls Components
Powertrain Control Module Description
Power, Ground, MAF, EVAP, and EGR
Fuel System
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Figure 4:

Power, Ground, MAF, EVAP, and EGR


Object Number: 229883  Size: FS
Engine Controls Components
Powertrain Control Module Description
Generator, PNP, Oil Indicators, and IAC
Power, Ground, and Fuel Injectors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Figure 5:

Generator, PNP, Oil Indicators, and IAC


Object Number: 229890  Size: FS
Engine Controls Components
Powertrain Control Module Description
Power, Ground, and Automatic Transaxle
Power, Ground, MAF, EVAP, and EGR
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Figure 6:

Power, Ground, and Automatic Transaxle


Object Number: 229901  Size: FS
Engine Controls Components
Powertrain Control Module Description
Automatic Transaxle
Generator, PNP, Oil Indicators, and IAC
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Power Distribution Schematics
Cruise Control Schematics
Figure 7:

Automatic Transaxle


Object Number: 229905  Size: FS
Engine Controls Components
Powertrain Control Module Description
Power, Ground, A/C Compressor Clutch, and AIR
Power, Ground, and Automatic Transaxle
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 8:

Power, Ground, A/C Compressor Clutch, and AIR


Object Number: 580831  Size: FS
Engine Controls Components
Powertrain Control Module Description
Cruise Control Module, and VSS
Automatic Transaxle
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Ground Distribution Schematics
Figure 9:

Cooling Fans


Object Number: 229911  Size: FS
Engine Controls Components
Powertrain Control Module Description
HO2S 1 and HO2S 2
OBD II Symbol Description Notice
Ground Distribution Schematics
Ground Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Figure 10:

Cruise Control Module, and VSS


Object Number: 528129  Size: FS
Engine Controls Components
Powertrain Control Module Description
Engine Data Sensors
Power, Ground, A/C Compressor Clutch, and AIR
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 11:

Engine Data Sensors


Object Number: 528124  Size: FS
Engine Controls Components
Powertrain Control Module Description
Power, Ground, CMP, CKP 24X, CKP 7X, KS, and ICM
Cruise Control Module, and VSS
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Fuel System
Figure 12:

Power, Ground, CMP, CKP 24X, CKP 7X, KS, and ICM


Object Number: 528131  Size: FS
Engine Controls Components
Information Sensors/Switches Description
HO2S 1 and HO2S 2
Engine Data Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Ground Distribution Schematics
Figure 13:

HO2S 1 and HO2S 2


Object Number: 528128  Size: FS
Engine Controls Components
Powertrain Control Module Description
Cooling Fans
Power, Ground, CMP, CKP 24X, CKP 7X, KS, and ICM
OBD II Symbol Description Notice
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Power Distribution Schematics