SYSTEM-RELATED (CAN COMMUNICATION FAILURE) [DTC CODE: U2706, MALFUNCTION CODE: 7-1 (3)]

Expand All

ABS light indication	7-1
Malfunction code	7-1 (3)
Description of malfunction	CAN harness disconnection or short-circuit
Vehicle status	ABS control ongoing
Possible cause	CAN communication harness disconnection, GND short-circuit, 24 V short-circuit Communication blackout, bus off
ECU terminals subject to inspect	The 5th and 15th terminals of 15 pin connector

1. Inspection item

Detail

Inspect the CAN communication line.
Reference: CONTROL SYSTEM, TROUBLE SHOOTING, CAN COMMUNICATION LINE, CAN COMMUNICATION LINE

DTC Clear

Detail

Confirm the DTC U2706 is inactive

Start the engine and let it idling condition.
Verify the DTC U2706 is inactive.

DTC Clear

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

U2706 is reoccur: Return to first process
Other DTC appear: Refer to concerned Trouble shooting

Complete