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

DLC, Instrument Panel, Engine Compartment Fuse Center


Object Number: 28174  Size: FS
Engine Controls Components
Powertrain Control Module Controlled Warning Lamps
Knock Sensor, Camshaft Position Sensor, Crankshaft Position Sensor, Ignition Control Module
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

Knock Sensor, Camshaft Position Sensor, Crankshaft Position Sensor, Ignition Control Module


Object Number: 28175  Size: FS
Engine Controls Components
Electronic Ignition (EI) System
DLC, Instrument Panel, Engine Compartment Fuse Center
Fuel Tank Module, Engine Oil Pressure Sensor, Fuel Pump Relay
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 3:

Fuel Tank Module, Engine Oil Pressure Sensor, Fuel Pump Relay


Object Number: 28182  Size: FS
Engine Controls Components
Fuel Supply Components
Knock Sensor, Camshaft Position Sensor, Crankshaft Position Sensor, Ignition Control Module
Fuel Injectors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 4:

Fuel Injectors


Object Number: 28184  Size: FS
Engine Controls Components
Fuel Supply Components
TP, MAP, ECT, IAT, Fuel Tank Pressure, and A/C Refrigerant Pressure Sensors
Fuel Tank Module, Engine Oil Pressure Sensor, Fuel Pump Relay
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 5:

TP, MAP, ECT, IAT, Fuel Tank Pressure, and A/C Refrigernat Pressure Sensors


Object Number: 28187  Size: FS
Engine Controls Components
Information Sensors 1
MAF Sensor, EVAP Canister Vent Solenoid, EVAP Canister Purge Valve, EGR Valve
Fuel Injectors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 6:

MAF Sensor, EVAP Canister Vent Solenoid, EVAP Canister Purge Valve, EGR Valve


Object Number: 28201  Size: FS
Engine Controls Components
Information Sensors 1
Heated Oxygen Sensors
TP, MAP, ECT, IAT, Fuel Tank Pressure, and A/C Refrigerant Pressure Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 7:

Heated Oxygen Sensors


Object Number: 28203  Size: FS
Engine Controls Components
Information Sensors 1
Engine Oil Pressure Sensor, Transaxle Range Switch, IAC Valve
MAF Sensor, EVAP Canister Vent Solenoid, EVAP Canister Purge Valve, EGR Valve
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 8:

Engine Oil Pressure Sensor, Transaxle Range Switch, IAC Valve


Object Number: 28205  Size: FS
Engine Controls Components
Information Sensors 1
Vehicle Speed Sensor
Heated Oxygen Sensors
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 9:

Vehicle Speed Sensor


Object Number: 28207  Size: FS
Engine Controls Components
Information Sensors 1
Brake Switch and Automatic Transaxle
Engine Oil Pressure Sensor, Transaxle Range Switch, IAC Valve
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 10:

Brake Switch and Automatic Transaxle


Object Number: 28211  Size: FS
Engine Controls Components
Information Sensors 1
A/C Compressor Clutch Relay, A/C Compressor Clutch
Vehicle Speed Sensor
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 11:

A/C Compressor Clutch Relay, A/C Compressor Clutch


Object Number: 28212  Size: FS
Engine Controls Components
Air Conditioning (A/C) Compressor Clutch Control Diagnosis
Cooling Fan Relay, Cooling Fan Motor
Brake Switch and Automatic Transaxle
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 12:

Cooling Fan Relay, Cooling Fan Motor


Object Number: 28216  Size: FS
Engine Controls Components
Electric Cooling Fan
A/C Compressor Clutch Relay, A/C Compressor Clutch
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice