GM Service Manual Online
For 1990-2009 cars only
Makes
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Chevrolet
🢒
2009
🢒
Optra
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Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 Engine Controls Schematics
Figure
1:
ECM Power and Ground, Serial Data, MIL Control
Figure
2:
Water in Fuel, MAF, IAT, ECT, Boost Pressure, Refrigerant Pressure Sensor, Fuel Injection Pump
Figure
3:
Throttle Plate Actuator, APP Sensor, EGR Valve, Exhaust Gas Temperature Sensors, Waste Gate Solenoid
Figure
4:
Glow Plug Control, CKP, CMP Sensors, Clutch Start Switch
Figure
5:
Fuel Pump
Figure
6:
Fuel Rail Pressure Sensor and Control Valve, Fuel Filter Heater/Temperature Sensor, Fuel Injectors
Figure
7:
PTC Heater
Figure
8:
Controlled/Monitored Subsystem References