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). |
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(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). |
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(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.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Engine Coolant Temperature Sensor 1 Circuit Short to Ground (P011511)
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Park / Neutral Position Switch: Adjustment
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