POWER DOOR LOCK CONTROL SYSTEM > Only Back Door LOCK / UNLOCK Functions do not Operate |
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DESCRIPTION
The main body ECU receives lock / unlock switch signals and activates the door lock motor accordingly.WIRING DIAGRAM
INSPECTION PROCEDURE
1.INSPECT BACK DOOR WITH MOTOR LOCK ASSEMBLY |
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 (+) → 4 (ACT+)
Battery negative (-) → 1 (ACT-)Lock Battery positive (+) → 1 (ACT-)
Battery negative (-) → 4 (ACT+)Unlock
Measure the resistance of the door lock position switch.
- Standard resistance:
Tester Connection Switch Condition Specified Condition 7 (S) - 8 (E) Lock 10 kΩ or higher 7 (S) - 8 (E) Unlock Below 1 Ω
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OK | |
2.CHECK WIRE HARNESS (ECU - DOOR LOCK) |
w/ Double Locking System:
Disconnect the S10 door lock connector.
Disconnect the IH junction block connector.
Measure the resistance of the wire harness side connectors.
- Standard resistance:
Tester Connection Specified Condition S10-1 (ACT-) - IH-18 (ACT-) Below 1 Ω S10-4 (ACT+) - IH-17 (ACT+) Below 1 Ω S10-7 (S) - E18-10 (LSWP) Below 1 Ω S10-8 (E) - Body ground Below 1 Ω
w/o Double Locking System:
Disconnect the S10 door lock connector.
Disconnect the E18 ECU connector.
Disconnect the IH junction block connector.
Measure the resistance of the wire harness side connectors.
- Standard resistance:
Tester Connection Specified Condition S10-1 (ACT-) - IH-18 (ACT-) Below 1 Ω S10-4 (ACT+) - IH-17 (ACT+) Below 1 Ω S10-7 (S) - E18-13 (LSWB) Below 1 Ω S10-8 (E) - Body ground Below 1 Ω
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OK | ||
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