beautypg.com

Bendix Commercial Vehicle Systems EC-17 ANTILOCK TRACTION CONTROL4/10 User Manual

Page 21

background image

21

MOD

RESET

FRT

RER

MID

RHT

LFT

TRC

SEN

ECU

VLT

MOD

RESET

FRT

RER

MID

RHT

LFT

TRC

SEN

ECU

VLT

SECTION IV - INSPECTION FOR ILLUMINATED LEDs

THERE SHOULD BE A MINIMUM OF

THREE RED LEDs ILLUMINATED AND

OF THE THREE THERE MUST BE A “RHT”

OR “LFT”, PLUS A “FRT”, "MID" OR

“RER”, PLUS A “MOD” OR “SES”.

DO THE ABOVE CONDITIONS

EXIST?

NO

REPLACE THE EC-17

CONTROLLER

AND REPEAT THE “INITIAL START-UP

PROCEDURE”

GO TO SECTION V “TESTING
FOR POWER TO THE EC-17

CONTROLLER”

YES

USING THE TWO POSITIONING LEDs

(RIGHT/LEFT FRONT/REAR) GO TO

SECTION VIA “TESTING THE

MODULATOR” AND TEST THE

APPROPRIATE MODULATOR.

YES

USING THE TWO POSITIONING LEDs

(RIGHT/LEFT FRONT/REAR) GO TO

SECTION VII A “TESTING THE WHEEL

SPEED SENSOR” AND TEST THE

APPROPRIATE SPEED SENSOR.

YES

NO

START HERE

NO

IS “MOD” LED ILLUMINATED

THE “SEN” LED IS ILLUMINATED

NOTE RED “ECU” LED IN

EC-17

CONTROLLER

DIAGNOSTICS WINDOW.

IS THIS LED ILLUMINATED?

NOTE THE THREE ILLUMINATED LEDs

EC-17

CONTROLLER

DIAGNOSTIC DISPLAY

1 LED

FROM THIS GROUP

1 LED

FROM THIS GROUP

1 LED

FROM THIS GROUP

EC-17

CONTROLLER

DIAGNOSTIC DISPLAY

"ECU" LED ON?