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

PCM Power and Grounds


Object Number: 15982  Size: FS
MIL/DTC
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 2:

MIL/DTC


Object Number: 15987  Size: FS
Ignition Control (IC) Module
PCM Power and Grounds
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
Figure 3:

Ignition Control (IC) Module


Object Number: 15990  Size: FS
Fuel Pump/Vehicle Theft Deterrent
MIL/DTC
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
Figure 4:

Fuel Pump/Vehicle Theft Deterrent


Object Number: 15993  Size: FS
Fuel Injectors
Ignition Control (IC) Module
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
Figure 5:

Fuel Injectors


Object Number: 15995  Size: FS
IAT/ ECT/ TP/ MAP Sensors
Fuel Pump/Vehicle Theft Deterrent
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 6:

IAT/ ECT/ TP/ MAP Sensors


Object Number: 15996  Size: FS
MAF Sensor/ EVAP Components/ Linear EGR Valve
Fuel Injectors
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 7:

MAF Sensor/ EVAP Components/ Linear EGR Valve


Object Number: 15997  Size: FS
Pre and Post Convertor Heated Oxygen Sensors
IAT/ ECT/ TP/ MAP Sensors
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 8:

Pre and Post Convertor Heated Oxygen Sensors


Object Number: 15998  Size: FS
Front and Rear Heated Oxygen Sensors
MAF Sensor/ EVAP Components/ Linear EGR Valve
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 9:

Front and Rear Heated Oxygen Sensors


Object Number: 15999  Size: FS
PSP and PNP Switches/ IAC Valve
Pre and Post Convertor Heated Oxygen Sensors
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 10:

PSP and PNP Switches/ IAC Valve


Object Number: 16000  Size: FS
Stepper Motor Cruise Control (SMCC) and Vehicle Speed Sensor (VSS)
Front and Rear Heated Oxygen Sensors
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 11:

Stepper Motor Cruise Control (SMCC) and Vehicle Speed Sensor (VSS)


Object Number: 16002  Size: FS
TCC Brake Switch and Transaxle (partial)
PSP and PNP Switches/ IAC Valve
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
ESD Notice
ESD Notice
ESD Notice
Figure 12:

TCC Brake Switch and Transaxle (partial)


Object Number: 16003  Size: FS
Transaxle (partial)
Stepper Motor Cruise Control (SMCC) and Vehicle Speed Sensor (VSS)
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 13:

Transaxle (partial)


Object Number: 16005  Size: FS
Engine Oil Level Sensor/ Generator/ EBTCM/ Shift Select Switch
TCC Brake Switch and Transaxle (partial)
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
Figure 14:

Engine Oil Level Sensor/ Generator/ EBTCM/ Shift Select Switch


Object Number: 16007  Size: FS
A/C Compressor Controls
Transaxle (partial)
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
Figure 15:

A/C Compressor Controls


Object Number: 16010  Size: FS
A/C Sensors
Engine Oil Level Sensor/ Generator/ EBTCM/ Shift Select Switch
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
ESD Notice
Figure 16:

A/C Sensors


Object Number: 16011  Size: FS
Coolant Fans/Relays
A/C Compressor Controls
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice
Figure 17:

Coolant Fans/Relays


Object Number: 16012  Size: FS
PCM Power and Grounds
A/C Sensors
Engine Controls Components
OBD II Symbol Description Notice
ESD Notice