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

Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)


Object Number: 1471438  Size: FS
Master Electrical Component List
Engine Data Sensors - Pressure and Temperature
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data
DLC - 1.4L, 1.5L, 1.6L
Figure 2:

Engine Data Sensors - Pressure and Temperature


Object Number: 1357991  Size: FS
Master Electrical Component List
Engine Data Sensors - Oxygen Sensors
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Vehicle Speed Sensor
Figure 3:

Engine Data Sensors - Oxygen Sensors


Object Number: 1358001  Size: FS
Master Electrical Component List
Ignition Controls - Ignition System
Engine Data Sensors - Pressure and Temperature
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Figure 4:

Ignition Controls - Ignition System


Object Number: 1456606  Size: FS
Master Electrical Component List
Ignition Contorls - Sensors
Engine Data Sensors - Oxygen Sensors
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Warning Indicators with Tachometer
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Figure 5:

Ignition Controls - Sensors


Object Number: 1358002  Size: FS
Master Electrical Component List
Fuel Controls - Fuel Pump Controls and Fuel Injectors
Ignition Controls - Ignition System
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Engine Data Sensors - Pressure and Temperature
Engine Data Sensors - Pressure and Temperature
G103 (MR-140)
Figure 6:

Fuel Controls - Fuel Pump Controls and Fuel Injectors


Object Number: 1456608  Size: FS
Master Electrical Component List
EVAP and Device Controls
Ignition Contorls - Sensors
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Instrument Panel Gages (1.4L/1.6L)
Figure 7:

EVAP and Device Controls


Object Number: 1471441  Size: FS
Master Electrical Component List
Controlled/Monitored Subsystem Referances
Fuel Controls - Fuel Pump Controls and Fuel Injectors
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Figure 8:

Controlled/Monitored Subsystem Referances


Object Number: 1456594  Size: FS
Master Electrical Component List
EVAP and Device Controls
ABS
Instrument Panel Gages (1.4L/1.6L)
Single Cooling Fan - 1.4L SOHC, 1.5L
HVAC Manual - Compressor Controls (MR-140)