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

Module Power, Ground, Serial Data, MIL


Object Number: 1376500  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 - IGN 1 Fuse, Ignition Switch, I/P Fuse Block, - CIGAR JACK, AUDIO CLOCK, METER CLOCK, TSIG, BACKUP LAMP, and AIR BAG 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
Underhood Fuse Block - I/P Fuse, I/P Fuse Block - Horn, Stoplamp, Meter Hazard, Door Lock RKE, ECM TCM, and Clock Audio Fuses
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data
DLC - 1.2L
Figure 2:

Engine Data Sensors - Pressure and Temperature


Object Number: 1376501  Size: FS
Master Electrical Component List
Engine Data Sensors - Oxygen Sensors
Module Power, Ground, Serial Data, MIL
Vehicle Speed Sensor
Figure 3:

Engine Data Sensors - Oxygen Sensors


Object Number: 1376504  Size: FS
Master Electrical Component List
Ignition Controls - Ignition Systems
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
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: 1376503  Size: FS
Master Electrical Component List
Ignition Controls - 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: 1376505  Size: FS
Master Electrical Component List
Fuel Controls - Fuel Pump Controls and Fuel Injectors
Ignition Controls - Ignition Systems
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
Fuel Controls - EVAP Controls
Figure 6:

Fuel Controls - Fuel Pump Controls and Fuel Injectors


Object Number: 1376502  Size: FS
Master Electrical Component List
Fuel Controls - EVAP Controls
Ignition Controls - 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 - Power Window, Cooling Fan Low Relay, Main Relay (1.2L), and Fuel Pump 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:

Fuel Controls - EVAP Controls


Object Number: 1456591  Size: FS
Master Electrical Component List
Device Controls
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
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block, - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
Figure 8:

Device Controls


Object Number: 1456590  Size: FS
Master Electrical Component List
Controlled/Monitored Subsystem Referances
Fuel Controls - EVAP Controls
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 9:

Controlled/Monitored Subsystem References


Object Number: 1456588  Size: FS
Master Electrical Component List
Device Controls
ABS
Engine Data Sensors - Pressure and Temperature
Single Cooling Fan - 1.2L
HVAC Manual - Compressor Controls (Sirius D4)