Power Door Lock Control System (For Sedan) Only Driver Door Lock / Unlock Functions Do Not Operate
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FRONT DOOR LOCK ASSEMBLY LH
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR LOCK ASSEMBLY LH)
POWER DOOR LOCK CONTROL SYSTEM (for Sedan) - Only Driver Door LOCK / UNLOCK Functions do not Operate |
DESCRIPTION
The main body ECU receives lock/unlock switch signals and activates the door lock motor accordingly.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT FRONT DOOR LOCK ASSEMBLY LH |
Apply the battery voltage to the door lock motor and check the operation of the door lock motor.
- OK:
Measurement Condition
| Specified Condition
|
Battery positive (+) → Terminal 4
Battery negative(-) → Terminal 1
| Lock
|
Battery positive (+) → Terminal 1
Battery negative(-) → Terminal 4
| Unlock
|
| 2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR LOCK ASSEMBLY LH) |
Disconnect the D33 and 4H main body ECU connectors.
Disconnect the G5 door lock connector.
Measure the resistance.
- Standard resistance:
Tester Connection
| Specified Condition
|
4H-17 (ACT+) - G5-4 (L)
| Below 1 Ω
|
D33-2 (ACTD) - G5-1 (UL)
| Below 1 Ω
|
Reconnect the main body ECU connectors.
Reconnect the door lock connector.
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
