Bendix Commercial Vehicle Systems MC-11 TRACTOR ANTILOCK 4/04 - Manual (Page 20)

20
HOLD A MAGNET TO THE RESET SWITCH AND
MAKE SURE ALL LEDS ILLUMINATE WHEN
MAGNET IS PRESENT
REPEAT STARTUP, IF
TESTING RETURNS TO THIS
PLACE TWICE, REPLACE
THE EC-11
™ CONTROLLER
CHECK DASH WIRING AND
CONNECTORS. CONSULT
VEHICLE MANUAL FOR
FURTHER TROUBLE-
SHOOTING INFORMATION.
REPAIR/REPLACE AS
NECESSARY AND REPEAT
STARTUP.
TURN IGNITION OFF. CHECK FOR
CONTINUITY BETWEEN PIN D
AND ITS TERMINAL ON THE DASH
LIGHT RELAY.
YES
HOLD MAGNET
HERE TO RESET
REMOVE MAGNET
NO
ALL LEDS
SHOULD
BE ON
REPAIR/REPLACE WIRE
HARNESS. RECONNECT 14
PIN CONNECTOR AND
REPEAT STARTUP.
REPLACE EC-11 ™
CONTROLLER
REPEAT STARTUP
RECONNECT 14 PIN
CONNECTOR. TURN
IGNITION ON AND CHECK
FOR POWER AT THE DASH
LIGHT RELAY COIL.
CONNECT OPPOSITE END
OF RELAY COIL TO
GROUND AND NOTE
REACTION OF DASH
LIGHT.
REPLACE RELAY
NO POWER
POWER
LEDS ILLUMINATED?
REMOVE MAGNET
REPEAT STARTUP
DASH LIGHT ON DASH LIGHT OFF
NO CONTINUITY CONTINUITY
TROUBLESHOOTING
SECTION VII PART B - TESTING FOR FALSE FAILURE CAUSED BY DASH LIGHT RELAY
BW1671 © 2004 Bendix Commercial Vehicle Systems LLC All rights reserved. 4/2004 Printed in U.S.A.
CHECK FOR
POWER HERE
FROM PIN D
COIL
RELAY
LIGHT
GROUND THIS
WIRE
COIL
RELAY
IF LIGHT IS
ON - BAD
RELAY