Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR WIPER MOTOR ASSEMBLY

*a

Component without harness connected (Rear Wiper Motor Assembly)

(a) Check that the rear wiper motor assembly operates.

NOTICE:

Check that the body ground is connected.

(1) Apply auxiliary battery voltage to the rear wiper motor connector and check the speed of the rear wiper motor assembly.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 4 (+B)

Auxiliary battery negative (-) → Terminal 5 (E)

Auxiliary battery negative (-) → Terminal 3 (LS)

Motor operates

If the result is not as specified, replace the rear wiper motor assembly.

(b) Check the wiper intermittent operation.

NOTICE:

Check that the body ground is connected.

(1) Apply auxiliary battery voltage to the rear wiper motor connector and check the speed of the rear wiper motor assembly.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 4 (+B)

Auxiliary battery negative (-) → Terminal 5 (E)

Auxiliary battery negative (-) → Terminal 2 (C1)

Motor operates

If the result is not as specified, replace the rear wiper motor assembly.

*a

Component without harness connected (Rear Wiper Motor Assembly)

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 Installation

INSTALLATION PROCEDURE 1. INSTALL REAR WIPER MOTOR GROMMET (a) Apply MP grease to the entire circumference of the lip portion of the rear wiper motor grommet. HINT: Do not fill the hole with MP gre

 Rear Wiper Rubber

ComponentsCOMPONENTS ILLUSTRATION *1 REAR WIPER BLADE *2 REAR WIPER RUBBER *3 REAR WIPER BACKING PLATE - - ReplacementREPLACEMENT PROCEDURE 1. REMOVE REAR WIPER BLADE (a) Move

 Washer Level Warning Switch

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 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored. HINT:

 Steering Angle Sensor Initialization Incomplete (C1439,C1445)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) acquires the steering sensor zero point every time the power switch is turned on (IG) and the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds. The ECU also stores previous zero points. DTCs C1439

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