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.

READ NEXT:

 Installation

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

 Transmitter Battery

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

 Wireless Door Lock Buzzer

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

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 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT NOTICE: When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no malfunction, clear the DTC. While the auxiliary battery is connected, even if the power swi

 Components

COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 AIR CONDITIONING CONTROL ASSEMBLY *2 CENTER HEATER TO RE

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