BENDIX SD-13-4788 Manual do Utilizador descarregar pdf (Página 26)

26

SECTION VII B - TESTING THE WHEEL SPEED SENSOR

START HERE FROM

SECTION VII A

GO TO SECTION III “INSPECTION

FOR ILLUMINATED LEDs”

SAME LEDs ILLUMINATED?

NO

ARE ANY LEDs ILLUMINATED?

NO

YES

ARE SAME RED LEDs ILLUMINATED?

YES

NO

YES

REPLACE THE EC-17

™

CONTROLLER.

REPAIR OR REPLACE SPEED

SENSOR WIRING HARNESS

1

2

3

J2 LEFT FRONT W. S. RTN

J1 LEFT FRONT W. S. SIGNAL

H3 RIGHT FRONT W. S. RTN

H2 RIGHT FRONT W. S. SIGNAL

A1,2,3 GROUND

B1,K2,3 POWER

K J H G F E D C B A

30 PIN CONNECTOR

C3 LEFT MID W.S. RTN.

C2 LEFT MID W.S. SIGNAL

F3 LEFT REAR W.S. RTN

F2 LEFT REAR W.S. SIGNAL

B3 RIGHT MID W.S. RTN.

B2 RIGHT MID W.S. SIGNAL

E3 RIGHT REAR W.S. RTN

E2 RIGHT REAR W.S. SIGNAL

F E D C B A

18 PIN CONNECTOR

1

2

3

YES

IGNITION OFF. REMOVE CONNECTOR FROM EC-17

™

CONTROLLER. MEASURE RESISTANCE BETWEEN THE

APPROPRIATE SPEED SIGNAL (+) AND SIGNAL RETURN

(-). RESISTANCE FOR BENDIX

®

SENSORS IS BETWEEN

1500-2500 OHMS. REFER TO VEHICLE MANUAL FOR THE

RESISTANCE VALUES IF OTHER THAN WS-20

™

SENSOR IS

IN USE. CHECK CONTINUITY BETWEEN POWER (B1,K2,3)

AND SPEED SIGNAL THEN BETWEEN GROUND (A1,2,3)

AND SPEED SIGNAL. NO CONTINUITY PERMITTED.

REPLACE THE SENSOR

NO

NO

YES

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

®

SENSORS. NO CONTINUITY PERMITTED

BETWEEN GROUND (A1, 2, 3) AND SPEED SIGNAL.

RECONNECT CONNECTOR AT SPEED

SENSOR AND EC-17

™

CONTROLLER

AND DO MAGNETIC RESET. NOTE IF

ANY RED LEDS ARE ILLUMINATED.

REPEAT THE “INITIAL

START-UP PROCEDURE”.

GO TO SECTION III “INSPECTION

FOR ILLUMINATED LEDs”

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