Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 (-) lead to terminal J33-7 (WF). |
|
(2) Turn the engine switch to ON.
(3) Turn the washer switch on and off, and check the voltage between terminals J31-5 (WR) and J33-7 (WF).
OK:
Voltage changes as shown in the following illustration.
If the result is not as specified, replace the windshield wiper switch assembly.
(b) Check the rear washer operation.
| (1) Connect a voltmeter positive (+) lead to terminal J33-7 (WF) and a negative (-) lead to terminal J31-5 (WR). |
|
(2) Turn the engine switch to ON.
(3) Turn the washer switch on and off, and check the voltage between terminals J33-7 (WF) and J31-5 (WR).
OK:
Voltage changes as shown in the following illustration.
If the result is not as specified, replace the windshield wiper switch assembly.
Components
COMPONENTS ILLUSTRATION *1 LOWER STEERING COLUMN COVER *2 UPPER STEERING COLUMN COVER *3 WINDSHIELD WIPER SWITCH ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ...
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 Connect ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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