Bendix Commercial Vehicle Systems MC-11 TRACTOR ANTILOCK 4/04 - Manual (Page 19)

19
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 FOR OUT-OF-SPEC
SENSOR GAPS (SHOULD BE
0-.015”) REPAIR/REPLACE
AS NECESSARY.
BOTH SENSORS MAY
NOT BE RECEIVING
SIGNALS.
YES
HOLD MAGNET
HERE TO RESET
REMOVE MAGNET REMOVE MAGNET
NO
ALL LEDS
SHOULD
BE ON
TONE RINGS PRESENT AND
IN GOOD CONDITION
REPLACE EC-11 ™
CONTROLLER
REPEAT STARTUP
CHECK FOR PRESENCE
OF TONE RINGS.
TONE RINGS NOT PRESENT OR
DAMAGED
ADJUST AS
NECESSARY
REPEAT STARTUP
GAP OUT
OF SPEC
GAP OK
LEDS ILLUMINATED?
TROUBLESHOOTING
SECTION VII - FALSE FAILURE INDICATION
NOTE: IF DURING STARTUP, THE DASH LIGHT ILLUMINATED WITHOUT BLINKING,
GO TO SECTION VII PART B - TESTING FOR FALSE FAILURE CAUSED BY DASH
LIGHT RELAY. I F THE DASH LIGHT BLINKED DURING STARTUP BUT ILLUMINATED
AFTER THE VEHICLE REACHED 10 MPH, GO TO SECTION VII PART A - TESTING
FOR FALSE FAILURE CAUSED BY WHEEL SPEED COMPONENTS.