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

Power, Ground, MIL, and DLC


Object Number: 31677  Size: FS
Engine Controls Components
Powertrain Control Module (PCM) General Description
Ignition Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

Ignition Controls


Object Number: 31684  Size: FS
Engine Controls Components
Electronic Ignition (EI) System
Fuel Controls
Power, Ground, MIL, and DLC
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 3:

Fuel Controls


Object Number: 31687  Size: FS
Engine Controls Components
Fuel Metering System Components
Engine Data Sensors
Ignition Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 4:

Engine Data Sensors


Object Number: 31691  Size: FS
Engine Controls Components
Information Sensors
EVAP and EGR Controls
Fuel Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 5:

EVAP and EGR Controls


Object Number: 31694  Size: FS
Engine Controls Components
Exhaust Gas Recirculation (EGR) System
Oxygen Sensors
Engine Data Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 6:

Oxygen Sensors


Object Number: 31702  Size: FS
Engine Controls Components
Information Sensors
IAC Valve, PNP, and Oil Level Switch
EVAP and EGR Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 7:

IAC Valve, PNP, and Oil Level Switch


Object Number: 31704  Size: FS
Engine Controls Components
Powertrain Control Module Inputs Diagnosis
VSS and Cruise Control
Oxygen Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 8:

VSS and Cruise Control


Object Number: 31708  Size: FS
Engine Controls Components
Powertrain Control Module Inputs Diagnosis
Transaxle Controls
IAC Valve, PNP, and Oil Level Switch
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 9:

Transaxle Controls


Object Number: 31710  Size: FS
Engine Controls Components
Powertrain Control Module (PCM) General Description
A/C Controls
VSS and Cruise Control
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 10:

A/C Controls


Object Number: 31712  Size: FS
Engine Controls Components
Powertrain Control Module Controlled Air Conditioning
Cooling Fan Controls
Transaxle Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 11:

Cooling Fan Controls


Object Number: 31714  Size: FS
Engine Controls Components
Electric Cooling Fan
A/C Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice