Lexus NX: Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DOOR LOCK ASSEMBLY LH
(a) Check the door lock motor operation. (1) Apply auxiliary battery voltage to the motor connector and check the operation of the door lock motor. OK: Measurement Condition | Specified Condition | Auxiliary battery positive (+) → Terminal 4 (L) Auxiliary battery negative (-) → Terminal 1 (UL) | Lock | Auxiliary battery positive (+) → Terminal 1 (UL) Auxiliary battery negative (-) → Terminal 4 (L) | Unlock | If the result is not as specified, replace the front door lock assembly LH. | | *a | Unlock | *b | Lock | *c | Component without harness connected (Front Door Lock Assembly LH) | | |
(b) Check the operation of the door unlock detection switch.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
7 (E) - 8 (LSSR) | Lock | 10 kΩ or higher |
Unlock | Below 1 Ω |
If the result is not as specified, replace the front door lock assembly LH.
(c) Check the resistance of the lock and unlock switch. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | 9 (L) - 7 (E) | Lock | Below 1 Ω | 9 (L) - 7 (E) 10 (UL) - 7 (E) | Neutral | 10 kΩ or higher | 10 (UL) - 7 (E) | Unlock | Below 1 Ω | If the result is not as specified, replace the front door lock assembly LH. | | *a | Unlock | *b | Neutral | *c | Lock | *d | Component without harness connected (Front Door Lock Assembly LH) | | |
2. INSPECT FRONT DOOR LOCK ASSEMBLY RH
(a) Check the door lock motor operation. (1) Apply auxiliary battery voltage to the motor connector and check the operation of the door lock motor. OK: Measurement Condition | Specified Condition | Auxiliary battery positive (+) → 4 (L) Auxiliary battery negative (-) → 1 (UL) | Lock | Auxiliary battery positive (+) → 1 (UL) Auxiliary battery negative (-) → 4 (L) | Unlock | If the result is not as specified, replace the front door lock assembly RH. | | *a | Unlock | *b | Lock | *c | Component without harness connected (Front Door Lock Assembly RH) | | |
(b) Check the operation of the door unlock detection switch.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
7 (LSSR) - 8 (E) | Lock | 10 kΩ or higher |
7 (LSSR) - 8 (E) | Unlock | Below 1 Ω |
If the result is not as specified, replace the front door lock assembly RH.
READ NEXT:
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
A bolt without a torque specification is shown in the s
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