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

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Steering / 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 Owners Manual > Instrument cluster: Warning lights and indicators
    The warning lights and indicators on the instrument cluster, center panel and outside rear view mirrors inform the driver of the status of the vehicle's various systems. For the purpose of explanation, the following illustrations display all warning lights and indicators illuminated. Exce ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Generator (for 180 A Type): 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 generator assembly removal/installation are shown below. Necessary Procedures After Parts Removed/Instal ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0093