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 ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) (B1575)
    DESCRIPTION The radio receiver assembly and multi-display assembly are connected via video signal (digital) lines. This DTC is stored when a video signal (digital) line is disconnected. DTC No. Detection Item DTC Detection Condition Trouble Area B1575 GVIF Disconnected (from EMV/MM In ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Shift Paddle Switch: Components
    COMPONENTS ILLUSTRATION *1 CRUISE CONTROL MAIN SWITCH *2 NO. 1 SWITCH WIRE *3 SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY) *4 STEERING PAD SWITCH ASSEMBLY *5 STEERING WHEEL ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part ...

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

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

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