Lexus NX: Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR 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 rear door lock assembly LH. | | *a | Unlock | *b | Lock | *c | Component without harness connected (Rear 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 |
6 (LSSR) - 9 (E) | Lock | 10 kΩ or higher |
6 (LSSR) - 9 (E) | Unlock | Below 1 Ω |
If the result is not as specified, replace the rear door lock assembly LH.
2. INSPECT REAR 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 (+) → 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 rear door lock 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:
Tester Connection | Condition | Specified Condition |
6 (LSSR) - 9 (E) | Lock | 10 kΩ or higher |
6 (LSSR) - 9 (E) | Unlock | Below 1 Ω |
If the result is not as specified, replace the rear door lock assembly RH.
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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
ReplacementREPLACEMENT PROCEDURE 1. REMOVE TRANSMITTER BATTERY (a) Push the release hook knob and extract the mechanical key. (b) Using a screwdriver with its tip wrapped in protect
ComponentsCOMPONENTS ILLUSTRATION *1 FRONT FENDER SPLASH SHIELD FRONT LH *2 WIRELESS DOOR LOCK BUZZER *3 FRONT SIDE AIR GUIDE SUB-ASSEMBLY LH *4 FRONT FENDER LINER LH Installa
SEE MORE:
REMOVAL PROCEDURE 1. REMOVE MULTI-DISPLAY ASSEMBLY Click here 2. REMOVE DOOR SCUFF PLATE ASSEMBLY LH Click here 3. REMOVE COWL SIDE TRIM BOARD LH Click here 4. REMOVE REAR CONSOLE ARMREST ASSEMBLY Click here 5. REMOVE UPPER REAR CONSOLE PANEL Click here 6. REMOVE UPPER NO. 1 CONSOLE P
DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to auxiliary battery voltage input to the radio receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection Condition Trouble Area B158F AV Signal Stoppage (Low Battery Voltage) A video o
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