Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Suspension / Steering Column / Steering Heater Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT STEERING HEATER SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY)

(a) Measure the voltage according to the value (s) in the table below.

Standard Voltage:

Tester Connection (Positive (+) Tester Probe - Negative (-) Tester Probe)

Switch Condition

Specified Condition

4 (IG1) - 9 (IND)

Always

Below 1.25 V

16 (ECU) - 9 (IND)

Steering heater switch (Integration Control and Panel Assembly) is pushed

Below 1.25 V

HINT:

As the circuit has a diode, perform the measurement in diode test mode, and do not mistake the polarity.

*a

Component without harness connected

(Steering Heater Switch (Integration Control and Panel Assembly))

(b) Measure the resistance according to the value (s) in the table below

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

4 (IG1) - 16 (ECU)

Steering heater switch (Integration Control and Panel Assembly) is pushed

Below 1 Ω

Steering heater switch (Integration Control and Panel Assembly) is not pushed

10 kΩ or higher
    Components
    COMPONENTS ILLUSTRATION *1 STEERING HEATER SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) *2 LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY *3 COWL SIDE TRIM BOARD LH *4 NO. 1 I ...

    Installation
    INSTALLATION PROCEDURE 1. INSTALL STEERING HEATER SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) (a) Engage the 4 claws to install the steering heater switch (integration control and panel assembly). ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Evaporator Temperature Sensor: 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 front evaporator temperature sensor removal/installation are shown below. Necessary Procedure After Par ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intelligent Clearance Sonar System: Precaution
    PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Pre-collision Sys ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0154