Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 detection of drive element

Heater output off

Power failure

Low-voltage detection

Heater output off

Over-voltage detection

Heater output off

Heater OFF timer

30 minutes after heated steering wheel system is turned on

Heater output off

(b) Malfunction detection conditions

(1) When an open or short in the steering wheel heater unit thermistor continues for 2 seconds or more.

(2) When the steering heater switch is pressed continuously for 10 seconds or more.

    Heated Steering Wheel System
    ...

    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 VO ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Fuel Injector (for Direct Injection): 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 fuel injector assembly removal/installation are shown below. Necessary Procedures After Parts Removed/In ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: Terminals Of Ecu
    TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. RADIO RECEIVER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition *: It is connected, but not used J151-1 (VMTF) - J148-1 (GND1) Y - ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0201