Possible cause | Disconnection between air bag ECU and air bag module |
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.
- Remove the air bag module.
- Measure continuity between the terminals of the yellow connector on the inflator side of the steering column spiral cable.
Standard: Conducting
NO
Go to [2]Measuring continuity between terminals.
YES
Air bag ECU abnormality
Detail
- Disconnect the connection of the cab harness and spiral cable under the steering column and measure continuity between the terminals of the yellow connector on the cab harness side.
Standard: Conducting
NO
Cab main harness abnormalityYES
Spiral cable abnormality
Detail
- Confirm the DTC B0101 is inactive
- Start the engine and let it idling condition.
- Verify the DTC B0101 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- P0101 is reoccur: Return to first process
- Other DTC appear: Refer to concerned Trouble shooting
Complete