Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY LH

(a) Check the operation of the door lock motor. (1) Apply battery voltage and check the operation of the door lock motor. OK: Battery Connection Result Battery positive (+) → Terminal 4 (L) Battery negative (-) → Terminal 3 (UL) Locks Battery positive (+) → Terminal 3 (UL) Battery negative (-) → Terminal 4 (L) Unlocks If the result is not as specified, replace the rear door lock with motor assembly LH.

*a Unlock *b Lock *c Component without harness connected (Rear Door Lock Assembly LH)

(b) Check the operation of the unlock detection switch.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

If the result is not as specified, replace the rear door lock with motor assembly LH.

2. INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY RH

(a) Check the operation of the door lock motor. (1) Apply battery voltage and check the operation of the door lock motor. OK: Battery Connection Result Battery positive (+) → Terminal 2 (L) Battery negative (-) → Terminal 1 (UL) Locks Battery positive (+) → Terminal 1 (UL) Battery negative (-) → Terminal 2 (L) Unlocks If the result is not as specified, replace the rear door lock with motor assembly RH.

*a Unlock *b Lock *c Component without harness connected (Rear Door Lock Assembly RH)

(b) Check the operation of the unlock detection switch.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

If the result is not as specified, replace the rear door lock with motor assembly RH.