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All| ABS light indication | 7-3 |
| Malfunction code | 7-3 (1) |
| Description of malfunction | 24 V short-circuit in auxiliary brake cut relay terminal |
| Vehicle status |
|
| Possible cause | 24 V short-circuit in harness between ECU and auxiliary brake cut relay |
| ECU terminals subject to inspect | The 6th terminal of 15 pin connector |
Detail
- Set the starter key to the "LOCK" position and disconnect the ABS ECU 15 pin connector.
- Remove all fuses from the engine ECU.
- Disconnect the auxiliary brake cut relay and turn the starter key "ON".
- Measure voltage between The 6th and 13th terminals of the 15 pin connector (vehicle harness side).
Standard value: 1 V or less
NO
24 V short-circuit in harness between ABS ECU and auxiliary brake cut relay
Inspect the harness.YES
Normal now. Short-lived 24 V short-circuit is likely to have occurred in the harness between the ABS ECU and the auxiliary brake cut relay.
Inspect the harness.
- Confirm the DTC P0D03 is inactive
- Start the engine and let it idling condition.
- Verify the DTC P0D03 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- P0D03 is reoccur: Return to first process
- Other DTC appear: Refer to concerned Trouble shooting
Complete
