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

INSPECTION

PROCEDURE

1. INSPECT HAZARD WARNING SWITCH (RADIO RECEIVER ASSEMBLY)

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

*a

Component without harness connected

(Hazard Warning Signal Switch (Radio Receiver Assembly))

-

-

Standard Resistance:

Tester Connection

Condition

Specified Condition

B-10 (HAZ) - A-1 (GND1)

Hazard warning signal switch off

10 MΩ or higher

Hazard warning signal switch on

Below 125 Ω

If the result is not as specified, replace the hazard warning signal switch (radio receiver assembly).

(b) Hazard warning signal switch indicator inspection

*a

Component without harness connected

(Hazard Warning Signal Switch (Radio Receiver Assembly))

-

-

(1) Apply battery voltage to the hazard warning signal switch (radio receiver assembly) and check that the hazard warning signal switch indicator illuminates.

OK:

Condition

Specified Condition

Battery positive (+) → B-11 (LJB)

Battery negative (-) → A-1 (GND1)

Illuminates

If the result is not as specified, replace the hazard warning signal switch (radio receiver assembly).

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

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

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