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.
