C1393  ABNORMALITY OF AIR PRESSURE SIGNAL

1. Check if any abnormality on meter display (Indicator of air pressure) is seen or not. When any abnormality found, check low pressure warning switch and air gauge sensor.

1. Confirm the DTC C1393 is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC C1393 is inactive.

   

2. DTC Clear

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

   

C1393 is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

Complete