MALFUNCTION OF ENGINE RETARDER 1 [+B SHORT-CIRCUIT]
(DTC CODE P1463 / DIAGNOSIS MONITOR CODE 55)

1. Perform an inspection by taking the same steps as instructed under "Malfunction of engine retarder 1 [open/GND short-circuit] (DTC code P1462 / diagnosis monitor code 55)."

1. Confirm the DTC P1463 is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC P1463 is inactive.

   

2. DTC Clear

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

   

P1463 is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

Complete