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

MIL, Instrument Panel, and the DLC


Object Number: 28309  Size: FS
Ignition Control and the Knock Sensor System
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

Ignition Control and the Knock Sensor System


Object Number: 28319  Size: FS
Fuel Pump System
MIL, Instrument Panel, and the DLC
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 3:

Fuel Pump System


Object Number: 28321  Size: FS
Fuel Injectors
Ignition Control and the Knock Sensor System
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 4:

Fuel Injectors


Object Number: 28323  Size: FS
ECT, MAP, TP, IAT, and A/C Systems
Fuel Pump System
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 5:

ECT, MAP, TP, IAT, and A/C Systems


Object Number: 28325  Size: FS
MAF, EVAP, and EGR Systems
Fuel Injectors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 6:

MAF, EVAP, and EGR Systems


Object Number: 28326  Size: FS
Heated Oxygen Sensors
ECT, MAP, TP, IAT, and A/C Systems
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 7:

Heated Oxygen Sensors


Object Number: 28328  Size: FS
Instrument Cluster, IAC, and Transmission Range Switch Systems
MAF, EVAP, and EGR Systems
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 8:

Instrument Cluster, IAC, and Transmission Range Switch Systems


Object Number: 28329  Size: FS
Cruise Control and Vehicle Speed Sensor Systems
Heated Oxygen Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 9:

Cruise Control and Vehicle Speed Sensor Systems


Object Number: 28330  Size: FS
TCC and Brake Switch Systems
Instrument Cluster, IAC, and Transmission Range Switch Systems
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 10:

TCC and Brake Switch Systems


Object Number: 28331  Size: FS
Heater and A/C Compressor Clutch Systems
Cruise Control and Vehicle Speed Sensor Systems
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 11:

Heater and A/C Compressor Clutch Systems


Object Number: 28333  Size: FS
Engine Cooling Fans
TCC and Brake Switch Systems
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 12:

Engine Cooling Fans


Object Number: 28335  Size: FS
Heater and A/C Compressor Clutch Systems
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice