Lexus ES manuals

Lexus ES: Inspection

INSPECTION

PROCEDURE

1. INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY

*a

Component without harness connected

(Hazard Warning Signal Switch Assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

6 (HAZ) - 3 (E)

Hazard warning switch off

10 kΩ or higher

Hazard warning switch on

Below 1 Ω

If the result is not as specified, replace the hazard warning signal switch assembly.

(b) Apply auxiliary battery voltage to the hazard warning signal switch assembly and check that the switch illuminates.

OK:

Switch Illumination

Measurement Condition

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 7 (ILL+)

Auxiliary battery negative (-) → Terminal 1 (ILL-)

Always

Switch illumination illuminates

OK:

Switch Indicator

Measurement Condition

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2 (HFL)

Auxiliary battery negative (-) → Terminal 5 (LJB)

Always

Switch indicator illuminates

If the result is not as specified, replace the hazard warning signal switch assembly.

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