BENDIX EC-60 ABS-ATC STD-PREM CONTROLLERS manual J1939 Troubleshooting Tests, Connector Pin J1939

Troubleshooting Diagnostic Trouble Codes:

J1939 Serial Communications

1st. Blink

Code	Location
11	J1939
2nd.	Diagnostic
Blink	Trouble Code	Repair Information
Code	Description
1	J1939 Serial Link	Loss of communications between the EC-60™controller and other devices connected to
		the J1939 link. Check for damaged or reversed J1939 wiring. Check for corroded or
		damaged connectors. Verify ECU Configuration. Check for other devices inhibiting J1939
		communications.
2	J1939 Retarder	Loss of communications between the EC-60™controller and other devices connected to
		the J1939 link. Check for damaged or reversed J1939 wiring. Check for corroded or
		damaged connectors. Verify presence of retarder on the J1939 link. Verify ECU
		Configuration. Check for other devices inhibiting J1939 communications.
3	J1939 Engine	Loss of communications between the EC-60™controller and the engine ECU over the
	Communications	J1939 link. Check for damaged or reversed J1939 wiring. Check for corroded or damaged
		connectors. Verify presence of engine ECU on the J1939 link. Verify ECU Configuration.
		Check for other devices inhibiting J1939 communications.

J1939 Troubleshooting Tests:

1.Take all measurements at ECU harness connector

2.Check for damaged or reversed J1939 wiring

3.Check for corroded or damaged wiring connector problems such as (opens or shorts to voltage or ground)

4.Check for other J1939 devices which may be loading down (inhibiting) J1939 communication

Cab-mount ECU:	Frame-mount ECU:
Looking into wire harness connector	Looking into wire harness connector

Connector	Pin	J1939
X1	7	J1939 Low
18 Way	8	J1939 High

Connector	Pin	J1939
X1	2	J1939 Low
18 Way	6	J1939 High

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