BENDIX EC-13 TRAILER ANTILOCK CONTROL Handbuch - Seite 18
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START HERE FROM
SECTION VI PART A
™
EC-13
CONTROLLER WIRE
HARNESS CONNECTOR
3C
3D
RT. REAR
RT. REAR
LFT. FRONT
3E
2C
LFT. REAR
LFT. REAR
TESTING SPEED SENSOR
RESISTANCE
RESETTING
EC-13
™
CONTROLLER
MAGNET HERE
18
Troubleshooting
SECTION VI PART B
TESTING THE WHEEL SPEED SENSOR
IGNITION OFF. REMOVE 30 PIN CONNECTOR FROM EC-13
CONTROLLER. MEASURE RESISTANCE BETWEEN THE
APPROPRIATE SPEED SIGNAL PINS ON THE CONNECTOR.
RESISTANCE FOR BENDIX
1500-2500 OHMS. REFER TO VEHICLE MANUAL FOR THE RE-
SISTANCE VALUES IF OTHER THAN WS-20
3H
3J
LFT. FRONT
CORRECT RESISTANCE?
3K
RT. FRONT
2H
RT. FRONT
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
CONTROLLER. REMOVE MAGNET
ARE ANY LED's ILLUMINATED?
ARE SAME RED LEDS ILLUMINATED?
REPAIR OR REPLACE SPEED
SENSOR WIRING HARNESS
AND REPEAT THE "INITIAL
START-UP PROCEDURE".
SAME LED's ILLUMINATED?
YES
®
WS-20
™
SENSOR IS BETWEEN
™
SENSOR IS IN USE.
NO
®
WS-20
YES
RECONNECT CONNECTOR AT
SPEED SENSOR AND EC-13
CONTROLLER. PASS MAGNET
™
OVER "RESET" ON EC-13
AND OBSERVE LEDs
YES
YES
NO
GO TO SECTION III "INSPEC-
TION FOR ILLUMINATED LED's"
™
YES
REPLACE THE EC-13
NO
REPLACE THE SENSOR
™
SENSOR
™
NO
REPEAT THE "INITIAL
START-UP PROCEDURE".
NO
GO TO SECTION III "INSPECTION
FOR ILLUMINATED LED's"
™
CONTROLLER