Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Vehicle Exterior / Wiper / Washer / Wiper Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Front Washer Switch

Tester Connection

Condition

Specified Condition

J33-4 (EW) - J33-7 (WF)

ON

Below 1 Ω

J31-5 (WR) - J31-10 (+B2)

J33-4 (EW) - J33-7 (WF)

OFF

10 kΩ or higher

J31-5 (WR) - J31-10 (+B2)
Rear Wiper Switch

Tester Connection

Condition

Specified Condition

J33-2 (C1R) - J33-4 (EW)

OFF

10 kΩ or higher

J33-3 (+1R) - J33-4 (EW)

J33-2 (C1R) - J33-4 (EW)

INT

Below 1 Ω

J33-3 (+1R) - J33-4 (EW)

ON
Rear Washer Switch

Tester Connection

Condition

Specified Condition

J33-4 (EW) - J31-5 (WR)

ON

Below 1 Ω

J33-7 (WF) - J31-10 (+B2)

J33-4 (EW) - J31-5 (WR)

OFF

10 kΩ or higher

J33-7 (WF) - J31-10 (+B2)

If the result is not as specified, replace the windshield wiper switch assembly.

*A

w/ Auto Wiper System

*B

w/o Auto Wiper System

*a

Component without harness connected

(Windshield Wiper Switch Assembly)
    On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (a) Check the front washer operation. (1) Connect a voltmeter positive (+) lead to terminal J31-5 (WR) and a negative (-) ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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