SYSTEM-RELATED (CAN COMMUNICATION FAILURE) [DTC CODE: U2709, MALFUNCTION CODE: 7-1 (7)]

Expand All

ABS light indication	7-1
Malfunction code	7-1 (7)
Description of malfunction	Failure in communication with engine
Vehicle status	ABS control ongoing
Possible cause	Failure in communication of engine ECU Malfunction of engine-related harnesses
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 U2709 is inactive

Start the engine and let it idling condition.
Verify the DTC U2709 is inactive.

DTC Clear

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

U2709 is reoccur: Return to first process
Other DTC appear: Refer to concerned Trouble shooting

Complete