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

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT FAN RELAY

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Battery voltage applied between terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the FAN relay.

    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 radi ...

    Thermostat
    ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Front Fog Light Circuit
    DESCRIPTION The main body ECU (multiplex network body ECU) controls the front fog lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. Before replacing the main body ECU (multiplex network body E ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > 2gr-fks (cooling): Cooling System
    On-vehicle InspectionON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns. PROCEDURE 1. INSPECT FOR COOLANT LEAK CAUT ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0164