Operation CHARM: Car repair manuals for everyone.

Inspection 4: Hazard Warning Lamp Flashes When Ignition Switch Is Turned on

Inspection 4: Hazard Warning Lamp Blinks When Ignition Switch Is Turned On

DIAGNOSTIC PROCEDURE
1. CHECK GROUND CIRCUIT
1. Disconnect low tire pressure waning control unit connector M74.








2. Check continuity between low tire pressure warning control unit harness connector M74 terminal 20 (B) and ground.

OK or NO
OK >> Replace low tire pressure warning control unit.
NO >> Repair or replace low tire pressure warning control unit ground circuit.