Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK
INSPECT REAR DOOR LOCK ASSEMBLY
CHECK WIRE HARNESS (REAR DOOR LOCK ASSEMBLY - MAIN BODY ECU RH)
POWER DOOR LOCK CONTROL SYSTEM - Rear Door Lock Motor RH Circuit
DESCRIPTION
The rear right side door lock motor is built into the rear right side door lock assembly.
The main body ECU RH controls the rear right side door lock motor to lock/unlock the rear right side door. This ECU applies current from terminal ACT+ to terminal ACT- to operate the motor to lock the door. It reverses the direction of the current flow to operate the motor to unlock the door.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT REAR DOOR LOCK ASSEMBLY |
Remove the rear lock assembly RH.
Apply battery voltage and check operation of the door lock motor.
- OK:
Measurement Condition Specified Condition Battery positive (+) → Terminal 4
Battery negative (-) → Terminal 3 (*1)Lock Battery positive (+) → Terminal 3
Battery negative (-) → Terminal 4 (*1)Unlock Battery positive (+) → Terminal 4
Battery negative (-) → Terminal 1 (*2)Lock Battery positive (+) → Terminal 1
Battery negative (-) → Terminal 4 (*2)Unlock
*1: w/ Double locking system
*2: w/o Double locking system
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| OK | |
| 2.CHECK WIRE HARNESS (REAR DOOR LOCK ASSEMBLY - MAIN BODY ECU RH) |
Disconnect the rear door lock assembly RH connector.
Disconnect the ECU (cowl side J/B RH) connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
(Symbols)Condition Specified Condition M8-4 (L) - RJ-9 Always Below 1 Ω M8-1 (UL) - RD-17 (*1) Always Below 1 Ω M8-3 (UL) - RD-17 (*2) Always Below 1 Ω RJ-9 - Body ground Always 10 kΩ or higher RD-17 - Body ground Always 10 kΩ or higher
*1: w/ Double locking system
*2: w/o Double locking system
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| OK | ||
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