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

Power/Grounds, Serial Data


Object Number: 214386  Size: FS
Engine Controls Components
Powertrain Control Module Description
Input Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
ABS/TCS Schematics
Fuse Block Schematics
Fuse Block Schematics
Power Distribution Schematics
Power Distribution Schematics
Fuse Block Schematics
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Instrument Cluster: Analog Schematics
Data Link Connector Schematics
Figure 2:

Input Sensors


Object Number: 214385  Size: FS
Engine Controls Components
Powertrain Control Module Description
Fuel Pump Control
Power/Grounds, Serial Data
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Instrument Cluster: Analog Schematics
Figure 3:

Fuel Pump Control


Object Number: 214384  Size: FS
Engine Controls Components
Powertrain Control Module Description
Inputs and Outputs
Input Sensors
OBD II Symbol Description Notice
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Ground Distribution Schematics
Figure 4:

Inputs and Outputs


Object Number: 214387  Size: FS
Engine Controls Components
Powertrain Control Module Description
Inputs and Ignition Control
Fuel Pump Control
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Power Distribution Schematics
Fuse Block Schematics
Power Distribution Schematics
Figure 5:

Inputs and Ignition Control


Object Number: 214388  Size: FS
Engine Controls Components
Powertrain Control Module Description
A/C Control
Inputs and Outputs
OBD II Symbol Description Notice
Power Distribution Schematics
Handling ESD Sensitive Parts Notice
Figure 6:

A/C Control


Object Number: 214389  Size: FS
Engine Controls Components
Powertrain Control Module Description
Inputs and Outputs, Continued
Inputs and Ignition Control
OBD II Symbol Description Notice
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Fuse Block Schematics
Figure 7:

Inputs and Outputs, Continued


Object Number: 214390  Size: FS
Engine Controls Components
Powertrain Control Module Description
Gauges and Indicators
A/C Control
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Shift Lock Control Schematics
Figure 8:

Gauges and Indicators


Object Number: 214392  Size: FS
Engine Controls Components
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
OBD II Symbol Description Notice
Ground Distribution Schematics
ABS/TCS Schematics
Head Up Display Schematics
Driver Information System Schematics
Instrument Cluster: Analog Schematics
Power Distribution Schematics
Power Distribution Schematics
Vehicle Speed Signal
Inputs and Outputs, Continued
Powertrain Control Module Description
Figure 9:

Vehicle Speed Signal


Object Number: 214395  Size: FS
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
OBD II Symbol Description Notice
Transaxle Shifting Controls
Gauges and Indicators
Engine Controls Components
Powertrain Control Module Description
Figure 10:

Transaxle Shifting Controls


Object Number: 214396  Size: FS
Power Distribution Schematics
OBD II Symbol Description Notice
Engine Controls Components
Injector Control
Vehicle Speed Signal
Handling ESD Sensitive Parts Notice
Powertrain Control Module Description
Figure 11:

Injector Control


Object Number: 214397  Size: FS
Engine Controls Components
Powertrain Control Module Description
HO2S Inputs
Transaxle Shifting Controls
OBD II Symbol Description Notice
Power Distribution Schematics
Handling ESD Sensitive Parts Notice
Figure 12:

HO2S Inputs


Object Number: 214398  Size: FS
Engine Controls Components
Powertrain Control Module Description
Cooling Fans
Injector Control
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Fuse Block Schematics
Power Distribution Schematics
Figure 13:

Cooling Fans


Object Number: 214399  Size: FS
Engine Controls Components
Powertrain Control Module Description
HO2S Inputs
OBD II Symbol Description Notice
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice