GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Optra 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Controls Schematics
Figure 1:

Module Power, Ground, Sensor Data, Malfunction Indicator Lamp (MIL)
Object Number: 2158958 Size: FS
Figure 2:

Engine Data Sensors - Pressure and Temperature
Object Number: 2158960 Size: FS
Figure 3:

Oxygen Sensors (O2S)
Object Number: 2158964 Size: FS
Figure 4:

Ignition System
Object Number: 2158967 Size: FS
Figure 5:

CKP, CMP, Knock, Rough Road Sensors
Object Number: 2158972 Size: FS
Figure 6:

Fuel Pump and Fuel Injectors
Object Number: 2158975 Size: FS
Figure 7:

Fuel Controls - Evap Controls
Object Number: 2158977 Size: FS
Figure 8:

Device Controls
Object Number: 2158981 Size: FS
Figure 9:

Controlled/Monitored Subsystem References
Object Number: 2158986 Size: FS