GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Optra
🢒
Transmission/Transaxle
🢒
Automatic Transmission - ZF 4HP 16
🢒 Automatic Transmission Controls Schematics
Figure
1:
Power, Ground, Hold Switch and DLC
Master Electrical Component List
Shift and Pressure Control Solenoids
Underhood Fuse Block - BATT PWR, IGN 1 and IGN 2 Fuses, Ignition Switch, I/P Fuse Block - RADIO, IMMOBILIZER, DLC, AUTO A/C, HAZARD LAMPS, RKE, TCM, and REAR FOG/CRUISE Fuses
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
MR140
G203
Figure
2:
Shift and Pressure Control Solenoids
Master Electrical Component List
Vehicle Speed Signal
Power, Ground, Hold Switch and DLC
Underhood Fuse Block - IP FUSE, DR/LOCK and STOP LAMPS Fuses
Underhood Fuse Block - IP FUSE, DR/LOCK and STOP LAMPS Fuses
Figure
3:
Vehicle Speed Signal
Master Electrical Component List
Park/Neutral Position (PNP) Switch
Shift and Pressure Control Solenoids
Figure
4:
Park/Neutral Position (PNP) Switch
Master Electrical Component List
Vehicle Speed Signal
I/P Fuse Block - CLSTR, AIR BAG, BCK/UP, and ENG FUSE BOX DRL Fuses
I/P Fuse Block - CLSTR, AIR BAG, BCK/UP, and ENG FUSE BOX DRL Fuses
I/P Fuse Block - ECM Fuse
Starting and Charging
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
Backup Lamps (Notchback)
G201