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

Power, Ground, MIL, and DLC


Object Number: 34172  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
Handling ESD Sensitive Parts Notice
Figure 2:

Ignition Controls


Object Number: 34173  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
Figure 3:

Fuel Controls


Object Number: 34177  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: 34178  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: 34182  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: 34184  Size: FS
Engine Controls Components
Information Sensors
IAC Valve, PNP, and Ignition Switch
EVAP and EGR Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 7:

IAC Valve, PNP, and Ignition Switch


Object Number: 34185  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: 34188  Size: FS
Engine Controls Components
Powertrain Control Module Inputs Diagnosis
Transaxle and Cruise Control Switches
IAC Valve, PNP, and Ignition 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 and Cruise Control Switches


Object Number: 34190  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
Figure 10:

A/C Controls


Object Number: 34195  Size: FS
Engine Controls Components
Powertrain Control Module Controlled Air Conditioning
Cooling Fan Controls
Transaxle and Cruise Control Switches
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 11:

Cooling Fan Controls


Object Number: 34197  Size: FS
Engine Controls Components
Electric Cooling Fan
A/C Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice