| Symptom of malfunction | - |
| Output limit, etc. | Without |
| Malfunction indicator light | Light out |
| Multi information | Post-driving engine inspection |
| Possible cause of malfunction | Malfunction of exhaust control valve/solenoid valve system (+B short-circuit) |
Detail
- Perform an inspection by taking the same steps as instructed under "Malfunction of exhaust control valve/solenoid valve system [disconnection/GND short-circuit] (DTC code P1681 / diagnosis monitor code 57)."
- Confirm the DTC P1682 is inactive
- Start the engine and let it idling condition.
- Verify the DTC P1682 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- P1682 is reoccur: Return to first process
- Other DTC appear: Refer to concerned Trouble shooting
Complete
