Bendix Commercial Vehicle Systems EC-13 TRAILER ANTILOCK CONTROL 8/07 - Manual (Page 14)

14
Troubleshooting
SECTION IV
TESTING FOR POWER TO THE EC-13 ™ CONTROLLER
TURN IGNITION OFF, DISCONNECT WIRE
HARNESS CONNECTOR FROM EC-13 ™
CONTROLLER
START HERE
VOLTAGE SAME AS
BATTERY VOLTAGE? MUST BE
BETWEEN 8 AND 17 VOLTS.
NO
WIRE HARNESS CONNECTOR
RECONNECT CONNECTOR TO EC-13 ™
CONTROLLER. CHECK THE VEHICLE
WIRING FOR CONTINUITY. REFER TO THE
VEHICLE SERVICE MANUAL AND CHECK
THE BATTERY VOLTAGE. REPAIR OR
REPLACE AS NECESSARY AND REPEAT
THE “INITIAL START-UP PROCEDURE” YES
REPLACE EC-13 ™
CONTROLLER
REPEAT THE
“INITIAL START-UP
PROCEDURE”.
CHECKING “VOLT”
LED
ON OR FLASHING?
YES
NO
RESETTING
EC-13 ™
CONTROLLER
MAGNET HERE
PERFORM A MAGNETIC RESET
BY PASSING A MAGNET OVER THE
“RESET” IN EC-13 ™ CONTROLLER
DIAGNOSTIC WINDOW THEN
REMOVE MAGNET
TURN IGNITION OFF, RECONNECT
WIRE HARNESS TO EC-13 ™
CONTROLLER, TURN IGNITION ON
1K, 2K
POWER
1A, 2A
GROUND
IS THE GREEN, “VOLT” LED
STILL FLASHING OR RED
“ECU” LED STILL ON?
ON ?
TURN IGNITION ON, MAKE & HOLD A BRAKE
APPLICATION AND, MEASURE VOLTAGE
BETWEEN POWER AND GROUND PINS ON
WIRE HARNESS CONNECTOR
1A TO 1K
1A TO 2K
2A TO 1K
2A TO 2K