Bendix Commercial Vehicle Systems EC-60 ATC STD/PREM CONTROLLERS - Manual (Page 24)

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11 J1939
1st. Blink
Code
Location
Troubleshooting Diagnostic Trouble Codes:
J1939 Serial Communications
2nd. Diagnostic
Blink Trouble Code
Code Description
1 J1939 Serial Link
2 J1939 Retarder
3 J1939 Engine
Communications
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.
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.
Loss of communications between the EC-60 ™ controller and the engine ECU over the
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.
Repair Information
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:
Looking into wire harness connector Frame-mount ECU:
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