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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 Sliding Roof ECU Communication Stop (B1273)

DESCRIPTION This DTC is stored when LIN communication between the sliding roof drive gear sub-assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B1273 Sliding Roof ECU Communication Stop N

 Reassembly

REASSEMBLY CAUTION / NOTICE / HINT NOTICE: When using a vise, place aluminum plates between the part and vise. When using a vise, do not overtighten it. HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL OUTBOARD

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