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

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


Object Number: 1629955  Size: FS
Master Electrical Component List
Engine Data Sensors - Pressure and Temperature
Underhood Fuse Block - I/P Fuses, 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 - IGN 2 Fuse, Ignition Switch, I/P Fuse Block - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
G103 - MR 140
Module Power, Ground, Malfunction Indicator Lamp (MIF), Hold Lamp and Serial Data
DLC - 1.4L, 1.5L, 1l6L
Figure 2:

Engine Data Sensors - Pressure and Temperature


Object Number: 1629956  Size: FS
Master Electrical Component List
Engine Data Sensors - Oxygen Sensors
Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Figure 3:

Oxygen Sensors


Object Number: 1629958  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 System


Object Number: 1629967  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
Instrument Panel Gages (1.4L/1.6L)
Underhood Fuse Block - IGN 2 Fuse, Ignition Switch, I/P Fuse Block - DIS INJECTOR, ECM TCM, WIPER WASHER, and HVAC BLOWER Fuses
G103 - MR 140
Figure 5:

CKP, CMP, KS, Rough Road Sensors


Object Number: 1629985  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
G103 - MR 140
Figure 6:

Fuel Pump and Fuel Injectors


Object Number: 1456608  Size: FS
Master Electrical Component List
EVAP and Device 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 - 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)
G401 - Notchback
G102
Figure 7:

EVAP and Device Controls


Object Number: 1630086  Size: FS
Master Electrical Component List
Controlled/Monitored Subsystem References
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 References


Object Number: 1456594  Size: FS
Master Electrical Component List
EVAP and Device Controls
ABS - DBC7
Module Power, Ground, Data Link Connector (DLC) and Warning Lamps - Mando
Instrument Panel Gages (1.4L/1.6L)
Single Cooling Fan (1.2L)
Blower Controls