GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra - Mexico 🢒 Body 🢒 Wiring Systems 🢒 Antilock Brake System Schematics
Figure 1:

Powers, Grounds, Wheel Speed Sensors
Object Number: 1650830 Size: FS
Master Electrical Component List
Warning Lamps, Serial Data, Rough Road
Underhood Fuse Block HVAC FLWR, ABS and Horn Fuses
I/P Fuse Block ABS IMMOBILIZER, WRP, and TRN SIG LAMPS Fuses
I/P Fuse Block ABS IMMOBILIZER, WRP, and TRN SIG LAMPS Fuses
G201 (1 of 2)
Warning Lamps, Serial Data, Rough Road
Warning Lamps, Serial Data, Rough Road
Figure 2:

Warning Lamps, Serial Data, Rough Road
Object Number: 1650831 Size: FS
Master Electrical Component List
Power, Ground, Wheel Speed Sensors
I/P Fuse Block CLSTR, AIR BAG, BCK/UP and ENG FUSE BOX DRL Fuses
Brake Warning System Schematics
Brake Warning System Schematics
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
CKP, CMP, Rough Road Sensors
CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
Controlled/Monitored Subsystem References
G201 (1 of 2)
G201 (1 of 2)
Power, Ground, Wheel Speed Sensors
Power, Ground, Wheel Speed Sensors