BENDIX SD-13-4788 Manual de usuario descargar pdf (Pagina 30)

30

SECTION XI - TESTING TRACTION CONTROL MODULATOR

ARE “TRC” AND “MOD”

LEDs ON?

START HERE

These LEDs

Illuminated?

1

2

3

F E D C B A

18 PIN CONNECTOR

D3

D2

1

2

3

K J H G F E D C B A

30 PIN CONNECTOR

A1 GROUND

A2 GROUND

A3 GROUND

1

2

3

F E D C B A

2 pin Modulator

Connector

TURN IGNITION OFF AND REMOVE 18 PIN

CONNECTOR FROM EC-17

™

CONTROLLER.

CHECK RESISTANCE BETWEEN PINS D2 &

D3. RESISTANCE SHOULD BE 10 - 12 OHMS.

REMOVE 30 PIN CONNECTOR AND CHECK

CONTINUITY BETWEEN GROUND (A1,2,3)

AND D2 & D3. NO CONTINUITY PERMITTED.

CHECK CONDITION OF 18 PIN

CONNECTOR CLEAN, RECONNECT,

TURN IGNITION ON & PASS

MAGNET OVER EC-17

™

CONTROLLER RESET. REPEAT

“INITIAL START-UP PROCEDURE”

YES

RESISTANCE CORRECT & NO

CONTINUITY TO GROUND?

D3

D2

DISCONNECT 2 PIN CONNECTOR AT MODULATOR &

CHECK RESISTANCE OF CONNECTOR HALF ATTACHED

TO ANTILOCK TRACTION RELAY. RESISTANCE

SHOULD BE 10 - 12 OHMS. THEN CHECK CONTINUITY

BETWEEN GROUND ON 30 PIN CONNECTOR (A1,2,3)

AND BOTH PINS ON THE 2 PIN CONNECTOR LEADING

TO THE MODULATOR. NO CONTINUITY PERMITTED.

NO

NO

YES

RESISTANCE CORRECT & NO

CONTINUITY TO GROUND?

EC-17

™

Controller and

AntiLock Traction Relay

(Modulator)

REPLACE ANTILOCK

TRACTION RELAY

(MODULATOR)

WITH IGNITION ON, INSPECT EC-17

™

CONTROLLER FOR ILLUMINATED LEDs

REPAIR OR REPLACE WIRE

HARNESS (FROM 18 PIN

CONNECTOR TO 2

PIN CONNECTOR)

IS “TRC” ONLY ON?

NO

YES

GO TO SECTION XII “TESTING

ENGINE CONTROL MODULE

WIRE HARNESS”

YES

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