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

Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Object Number: 2158825 Size: FS
Figure 2:

Engine Data Sensors - Pressure and Temperature
Object Number: 2158827 Size: FS
Figure 3:

Oxygen Sensors (O2S)
Object Number: 2158832 Size: FS
Figure 4:

Ignition System
Object Number: 2158844 Size: FS
Figure 5:

CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Object Number: 2158855 Size: FS
Figure 6:

Main Throttle Intake Actuator (MTIA)
Object Number: 2158864 Size: FS
Figure 7:

Fuel Pump Controls and Fuel Injector
Object Number: 2158870 Size: FS
Figure 8:

Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
Object Number: 2158878 Size: FS
Figure 9:

Controlled/Monitored Subsystem References
Object Number: 2158882 Size: FS