GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Optra
🢒
Engine
🢒
Engine Controls and Fuel - 1.6L
🢒 Engine Controls Schematics
Figure
1:
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Master Electrical Component List
Control Module References
Engine Data Sensors - Pressure and Temperature
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Power, Ground, I/P Illumination, and Door Open Indicators
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
G104
Data Communication
Figure
2:
Engine Data Sensors - Pressure and Temperature
Master Electrical Component List
Control Module References
Oxygen Sensors (O2S)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
D16
Figure
3:
Oxygen Sensors (O2S)
Master Electrical Component List
Control Module References
Ignition System
Engine Data Sensors - Pressure and Temperature
Fuse Block - Underhood B+ Bus, 1 of 3
Engine Data Sensors - Pressure and Temperature
Figure
4:
Ignition System
Master Electrical Component List
Control Module References
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Oxygen Sensors (O2S)
Fuse Block - Underhood B+ Bus, 1 of 3
Power, Ground, I/P Illumination, and Door Open Indicators
G104
Figure
5:
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Master Electrical Component List
Control Module References
Main Throttle Intake Actuator (MTIA)
Ignition System
Fuse Block - Underhood B+ Bus, 1 of 3
Power, Ground, Wheel Speed Sensors
Figure
6:
Engine Data Sensors - Main Throttle Intake Actuator (MTIA)
Master Electrical Component List
Control Module References
Fuel Pump Controls and Fuel Injector
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Figure
7:
Fuel Pump Controls and Fuel Injectors
Master Electrical Component List
Control Module References
Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Main Throttle Intake Actuator (MTIA)
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Power, Ground, I/P Illumination, and Door Open Indicators
G302
Figure
8:
Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Master Electrical Component List
Control Module References
Controlled/Monitored Subsystem References
Fuel Pump Controls and Fuel Injector
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
Fuse Block - Underhood B+ Bus, 1 of 3
G104
Figure
9:
Controlled/Monitored Subsystem References
Master Electrical Component List
Control Module References
Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Power, Ground, I/P Illumination, and Door Open Indicators
Single Fan
Blower Controls
Blower Controls
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp, and Serial Data