Hazard Warning Lamps Flash When Ignition Switch Is Turned On

TROUBLE DIAGNOSIS FOR SYMPTOMS

Hazard Warning Lamps Flash When Ignition Switch Is Turned On

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs

1. CHECK BCM GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM harness connector M20.
3.Check continuity between BCM harness connector M20 terminal 67 and ground.











OK or NG
OK- Replace BCM. Service and Repair.
NG- Repair BCM ground circuit.