GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Optra
🢒
Engine
🢒
Engine Electrical
🢒 Engine Controls Schematics
Figure
1:
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Master Electrical Component List
Engine Data Sensors Pressure and Temperature
I/P Fuse Block ECM Fuse
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses 1.2L
I/P Fuse Block ECM Fuse
Power Steering, Shift Program, Air Bag, Seat Belt, Oil Pressure, MIL, ABS, TCS, Parking Brake, and Charing Warning Lamps
Underhood Fuse Block ECM Fuse
Underhood Fuse Block BATT PWR, IGN 1 and IGN 2 Fuses, Ignition Switch, I/P Fuse Block - RADIO, IMMOBILIZER, DLC, AUTO A/C, HAZARD LAMPS, RKE, TCM, REAR
G106, G107
Data Link Connector Schematics
Figure
2:
Engine Data Sensors - Pressure and Temperature
Master Electrical Component List
Oxygen Sensors
Module Power, Ground Serial Data, Malfunction Indicator Lamp
Manual Transmission Schematics - D16
Figure
3:
Oxygen Sensors (O2S)
Master Electrical Component List
Ignition System
Engine Data Sensors Pressure and Temperature
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses MR-140
Engine Data Sensors Pressure and Temperature
Figure
4:
Ignition System
Master Electrical Component List
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Oxygen Sensors
Underhood Fuse Block FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Power, Ground and Gages 1.4L/1.6L
G106, G107
Figure
5:
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Master Electrical Component List
Engine Data Sensors Main Throttle Intake Actuator
Ignition System
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses 1.2L
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses MR-140
Warning Lamps, Serial Data, Rough Road
Figure
6:
Engine Data Sensors - Main Throttle Intake Actuator (MTIA)
Master Electrical Component List
Fuel Pump Controls and Fuel Injectors
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Figure
7:
Fuel Pump Controls and Fuel Injectors
Master Electrical Component List
Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Engine Data Sensors Main Throttle Intake Actuator
I/P Fuse Block ECM Fuse
I/P Fuse Block ECM Fuse
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses 1.5L
I/P Fuse Block ECM Fuse
Underhood Fuse Block FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses 1.5L
Power, Ground and Gages 1.4L/1.6L
Power, Ground and Gages 1.8L/2.0L
G303, G401
Figure
8:
Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Master Electrical Component List
Controlled/Monitored Subsystem References
Fuel Pump Controls and Fuel Injectors
I/P Fuse Block ECM Fuse
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses MR-140
Underhood Fuse Block MAIN Relay and ECM, ENG SNSR, and INJ Fuses 1.2L
I/P Fuse Block ECM Fuse
I/P Fuse Block ECM Fuse
G106, G107
Figure
9:
Controlled/Monitored Subsystem References
Master Electrical Component List
Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Compressor Controls Sirius D4
Power, Ground and Gages 1.4L/1.6L
Sirius D4
Compressor Controls Sirius D4
Module Power, Ground, Malfunction Indicator Lamp, Hold Lamp and Serial Data