Bendix Commercial Vehicle Systems EC-60 ESP CONTROLLERS ADV - Manual (Page 33)

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Cab-mount ECU:
Looking into wire harness connector
Connector Pin J1939
X1 7 J1939 Low
18 Way 8 J1939 High
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
X 4