Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the heated steering wheel system.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

NEXT

3.

PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed in problem symptoms table.

A

Fault is listed in problem symptoms table.

B

B

GO TO STEP 5

A

4.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU

Click here

NEXT

5.

REPAIR OR REPLACE

NEXT

6.

CONFIRMATION TEST

NEXT

END

    Fail-safe Chart
    FAIL-SAFE CHART MALFUNCTION DETECTION (a) Operation when malfunction is detected Content Operation Heater failure Overcurrent detection of drive element Heater output off Overheating ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 SPIRAL CABLE SUB-ASSEMBLY *2 STEERING HEATER SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) *3 STEERING WHEEL ASSEMBLY - STEERING WHEEL HEATER UNIT *4 ...

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    PRECAUTION PRECAUTION FOR VEHICLE WITH SRS AIRBAG AND SEAT BELT PRETENSIONER (a) Some operations in this section may affect the SRS parts. Prior to performing the corresponding operations, read the precautions regarding the SRS parts. Click here TABLE OF BOLT, SCREW AND NUT HINT: All bolts, screws ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Camshaft Oil Control Valve (for Bank 1): Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during camshaft timing gear bolt removal/installation are shown below. Necessary Procedures After Parts Removed ...

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

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

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