| Symptom of malfunction | - |
| Output limit, etc. | Without |
| Malfunction indicator light | Light out |
| Multi information | Engine system failure |
| Possible cause of malfunction | Malfunction of exhaust temperature sensor (Hi) (1st from upstream) located under ATC |
Detail
- Perform an inspection by taking the same steps as instructed under "Malfunction of exhaust temperature sensor [Lo] (1st from upstream) located under ATC (DTC code P0545 / diagnosis monitor code 27)."
- Confirm the DTC P0546 is inactive
- Start the engine and let it idling condition.
- Verify the DTC P0546 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- P0546 is reoccur: Return to first process
- Other DTC appear: Refer to concerned Trouble shooting
Complete
