ECU INTERNAL MALFUNCTION [MALFUNCTION OF MONITOR IC]
(DTC CODE P0607 / DIAGNOSIS MONITOR CODE 3)

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Symptom of malfunction	Cruise functions are disabled. Idle stop functions are disabled. DPR regeneration is disabled. PTO functions are disabled.
Output limit, etc.	Without
Malfunction indicator light	Light on
Multi information	Engine system failure (red) ↔ Stop the vehicle in the safe area.
Possible cause of malfunction	ECU internal malfunction (malfunction of monitor IC)

1. Inspection item

Detail

Perform an inspection by taking the same steps as instructed under "ECU internal malfunction [hardware detection] (DTC code P0606 / diagnosis monitor code 3)."

DTC Clear

Detail

Confirm the DTC P0607 is inactive

Start the engine and let it idling condition.
Verify the DTC P0607 is inactive.

DTC Clear

Clear the DTC with Hino DX
Confirm the same DTC is not reoccurred

P0607 is reoccur: Return to first process
Other DTC appear: Refer to concerned Trouble shooting

Complete

ECU INTERNAL MALFUNCTION [MALFUNCTION OF MONITOR IC] (DTC CODE P0607 / DIAGNOSIS MONITOR CODE 3)

1. Inspection item

DTC Clear

ECU INTERNAL MALFUNCTION [MALFUNCTION OF MONITOR IC]
(DTC CODE P0607 / DIAGNOSIS MONITOR CODE 3)