Power Window Control System (For Sedan) Power Windows Do Not Operate At All
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FUSES (ECU-B, ECU-IG)
INSPECT MAIN BODY ECU (PWR RELAY)
CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - BATTERY AND BODY GROUND)
POWER WINDOW CONTROL SYSTEM (for Sedan) - Power Windows do not Operate at All |
DESCRIPTION
If none of the power windows operates, the power window regulator master switch may have no power or may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT FUSES (ECU-B, ECU-IG) |
Remove the ECU-B fuse from the engine room relay block.
Remove the ECU-IG fuse from the main body ECU.
Measure the resistance.
- Standard resistance:
- Below 1Ω
Reinstall the fuses.
| 2.INSPECT MAIN BODY ECU (PWR RELAY) |
Remove the POWER fuse from the main body ECU.
Turn the ignition switch to ON.
Measure the voltage between the POWER fuse terminal of the main body ECU and body ground.
- Standard voltage:
Tester Connections
| Ignition Switch Conditions
| Specified Conditions
|
POWER fuse terminal (1) - Body ground
| ON
| 11 to 14 V
|
Reinstall the POWER fuse .
| | REPLACE MAIN BODY ECU (PWR RELAY) |
|
|
| 3.CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - BATTERY AND BODY GROUND) |
Disconnect the G1 power window regulator master switch assembly connector.
Measure the voltage of the wire harness side connector.
- Standard voltage:
Tester Connection
| Condition
| Specified Condition
|
G1-6 (B)- Body ground
| Ignition switch ON
| 11 to 14 V
|
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Specified Condition
|
G1-1 (E)- Body ground
| Below 1 Ω
|
Reconnect the G1 power window regulator master switch assembly connector.
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
