GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Optra
🢒 Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
Controlled/Monitored Subsystem References
Master Electrical Component List
Device Controls
Power, Ground and Gages - 1.4L/1.6L
MR-140
Compressor Controls - MR-140
Compressor Controls - MR-140
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data