Inspection 1: Warning Lamp Does Not Come on When Ignition Switch Is Turned on
Inspection 1: Warning Lamp Does Not Come On When Ignition Switch Is Turned OnDIAGNOSTIC PROCEDURE
1. CHECK COMBINATION METER OPERATION
^ Check combination meter operation.
OK or NG
OK >> GO TO 2.
NG >> Check combination meter.
2. CHECK WARNING LAMP
Disconnect tire pressure warning control unit connector M84.
Does the warning lamp activate?
YES >> Replace tire pressure warning control unit.
NO >>GO TO 3.
3. CHECK COMBINATION METER CIRCUIT
^ Check continuity between tire pressure warning control unit connector M84 terminal 3 (LG) and ground.
3 (LG) - Ground: Continuity should not exist.
OK or NG
OK >> Check combination meter.
NG >> Repair or replace harness connector.