Bendix Commercial Vehicle Systems EC-17 ANTILOCK TRACTION CONTROL4/10 - Manual (Page 18)

18
SECTION I - ANTILOCK DASH LAMP TESTING
YES
NO
CHECK WIRING HARNESS AND RELAY FOR
SHORTS TO GROUND. RECONNECT AND
CHECK/REPLACE THE FOLLOWING:
1. DASH LIGHT BULB
2. FUSE
3. RELAY POWER WIRE
4. RELAY
AFTER REPLACING EACH COMPONENT TEST
THE DASH LAMP.
REPLACE THE EC-17 ™
CONTROLLER
NO
NO
START HERE
E3
TO DASH LAMP
RELAY
A3
GROUND
A1
GROUND
A2
GROUND
REPAIR OR REPLACE
WIRE HARNESS
REPLACE RELAY &
RETEST FOR BATTERY
VOLTAGE
SECOND TIME TO
THIS POINT?
IS VOLTAGE CORRECT?
REPEAT THE “INITIAL
START-UP PROCEDURE”
WITH IGNITION ON, MEASURE VOLTAGE BETWEEN
PINS E3 & A1, A2, A3. VOLTAGE SHOULD BE SAME
AS BATTERY VOLTAGE
YES
YES
DISCONNECT 30 PIN CONNECTOR FROM
EC-17 ™ CONTROLLER AND OBSERVE THE
ANTILOCK DASH LAMP.
ANTILOCK DASH LAMP
ILLUMINATED?
A1, A2, A3
GROUND
DASH LAMP
RELAY
VEHICLE POWER
(IGNITION)
E3
TO DASH LAMP
RELAY
DASH LAMP