Power Door Lock Control System (For Sedan) Only Rear Door Rh Lock / Unlock Functions Do Not Operate
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT REAR DOOR LOCK ASSEMBLY RH
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR LOCK ASSEMBLY RH)
POWER DOOR LOCK CONTROL SYSTEM (for Sedan) - Only Rear Door RH 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 REAR DOOR LOCK ASSEMBLY RH |
Apply the battery voltage to the door lock motor and check the operation of the door lock motor.
- OK:
Measurement Condition
| Specified Condition
|
Battery position (+) → Terminal 4
Battery negative (-) → Terminal 1
| Lock
|
Battery position (+) → Terminal 1
Battery negative (-) → Terminal 4
| Unlock
|
| 2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR LOCK ASSEMBLY RH) |
Disconnect the 4A main body ECU connector.
Disconnect the H3 door lock connector.
Measure the resistance.
- Standard resistance:
Tester Connection
| Specified Condition
|
4A-3 (ACT+) - H3-4 (L)
| Below 1 Ω
|
4A-4 (ACT-) - H3-1 (UL)
| Below 1 Ω
|
Reconnect the main body ECU connector.
Reconnect the door lock connector.
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
