Possible cause | GND short circuit or disconnection between air bag ECU to warning light line |
Detail
- Turn the starter key to the "LOCK" position, wait for more than 90 seconds, and disconnect the connection of the yellow connector of the air bag ECU.
- Turn the starter key "ON" and measure voltage between the 2nd terminal of the cab main harness ECU connector and the body GND.
Standard value: 3-7 V
NO
Harness abnormality between air bag ECU and warning light or warning light abnormality
YES
Air bag ECU abnormality
Detail
- Confirm the DTC B2002 is inactive
- Start the engine and let it idling condition.
- Verify the DTC B2002 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- B2002 is reoccur: Return to first process
- Other DTC appear: Refer to concerned Trouble shooting
Complete