Warning Lamp Does Not Come On When Ignition Switch Is Turned On
Warning Lamp Does Not Come On When Ignition Switch Is Turned ON1.CHECK SELF-DIAGNOSIS RESULTS
1. Touch "SELF-DIAG RESULTS".
2. Check display contents in self-diagnostic results.
Is above displayed on self-diagnosis display?
YES >> ^ If "CAN COMM CIRCUIT [U1000]" is displayed, print out self-diagnosis. And then, check to LAN-20, "Trouble Diagnosis Flow Chart". Diagnosis and Repair Workflow
^ Replace low tire pressure warning control unit if "CONTROL UNIT [CAN] [U1010]" is displayed.
NO >> GO TO 2.
2.CHECK COMBINATION METER
Check combination meter function.
OK or NG
OK >> GO TO 3.
NG >> Check combination meter. Refer to DI-18, "Trouble Diagnosis". How to Perform Trouble Diagnosis
3.CHECK LOW TIRE PRESSURE WARNING LAMP
Disconnect low tire pressure warning control unit harness connector M19.
Does the warning lamp activate?
YES >> Replace low tire pressure warning control unit. Refer to WT-38, "Low Tire Pressure Warning Control Unit". Service and Repair
NO >> Check combination meter and repair or replace.