Bendix Commercial Vehicle Systems EC-13 TRAILER ANTILOCK CONTROL 8/07 - Manual (Page 11)

11
Troubleshooting
SECTION I
TRAILER STATUS LAMP TESTING
REPEAT THE “INITIAL
START-UP PROCEDURE”.
START HERE
USING A JUMPER WIRE CONNECT PIN 3F TO 1A AND/
OR 2A. WITH THE CONNECTION IN PLACE NOTE THE
CONDITION OF TRAILER STATUS LAMP.
TRAILER STATUS LAMP ON?
NO
YES
REPLACE EC-13 ™ CON-
TROLLER AND RETEST.
CHECK THE FOLLOWING IN THE ORDER PRESENTED AND
AFTER REPLACING OR TESTING EACH COMPONENT,
TEST THE STATUS LAMP OPERATION:
1. CHANGE TRAILER STATUS LAMP BULB
2. CHECK TRAILER STATUS LAMP WIRING-GROUND
3. CHECK CONTINUITY OF WARNING WIRE BETWEEN PIN
3F ON THE 30 PIN CONNECTOR AND THE TRAILER STATUS
LAMP SOCKET
EC-13 ™ CONTROLLER
WIRE HARNESS CONNECTOR
WITH TRACTOR IGNITION OFF,
DISCONNECT 30 PIN WIRE HARNESS
CONNECTOR FROM EC-13 ™ CONTROLLER
THEN TURN TRACTOR IGNITION ON AND
MAKE AND HOLD A BRAKE APPLICATION.
TRAILER STATUS
LAMP 3F
GROUND 1A & 2A