BENDIX EC-15 ANTILOCK CONTROLLER ASSY Manual page 22

START HERE FROM
SECTION VII PART A
IGNITION OFF. REMOVE CONNECTOR(S) FROM EC-15
CONTROLLER. MEASURE RESISTANCE BETWEEN THE
APPROPRIATE SPEED SIGNAL (+) AND SIGNAL RETURN (-).
RESISTANCE FOR BENDIX
1500-2500 OHMS. REFER TO VEHICLE MANUAL FOR THE
RESISTANCE VALUES IF OTHER THAN WS-20
IS IN USE. (REFER TO FIGURE 7 & 8)
22
TROUBLESHOOTING
SECTION VI PART B - TESTING THE WHEEL SPEED SENSOR
SAME LED'S ILLUMINATED?
CORRECT RESISTANCE?
DISCONNECT CONNECTOR AT SPEED SENSOR
INSPECT THE CONNECTOR, THEN CHECK THE
RESISTANCE BETWEEN TWO PINS ON SENSOR.
RESISTANCE BETWEEN 1500-2500 OHMS FOR THE
® ™
BENDIX WS-20 SPEED SENSOR.
RECONNECT CONNECTOR AT SPEED
SENSOR AND EC-15
AND DO MAGNETIC RESET. NOTE IF
ANY RED LEDS ARE ILLUMINATED.
ARE ANY LED'S ILLUMINATED?
ARE SAME RED LED'S ILLUMINATED?
REPAIR OR REPLACE SPEED
SENSOR WIRING HARNESS.
YES
® ™
WS-20 SENSOR IS BETWEEN
™
SENSOR
NO
YES
™
CONTROLLER
YES
YES
NO
GO TO SECTION III "INSPECTION
FOR ILLUMINATED LEDS".
™
YES
REPLACE EC-15
CONTROLLER
NO
REPLACE THE SENSOR
REPEAT THE "INITIAL
NO
START-UP PROCEDURE"
NO
GO TO SECTION III "INSPECTION
FOR ILLUMINATED LEDS"
™