C1251 ABNORMALITY OF MOTOR: NO ROTATION

1. Set the starter switch to "LOCK", disconnect the 24 pin connector of ABS actuator.
2. Connecting (+) terminal of battery with 2nd terminal of the 24 pin connector (actuator side), (-) terminal of battery with 1st terminal, and check if motor operates or not.
   
   
   • Be careful not to short.
   • Be careful not to make a mistake to (+) against (-). 　
   Standard: Motor operates
   
   
   　

Abnormality of the motor.

[1]-3

3. Connecting ammeter, measure the current while motor operating under no load.
   Standard: Less than 4A
   
   

Abnormality of the motor.

Abnormality of the ECU.

1. Confirm the DTC C1251 is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC C1251 is inactive.

   

2. DTC Clear

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

   

C1251 is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

Complete