DAF 95XF. Manual — part 211

©

200438

1

Contents

ZF INTARDER EST42

DAVIE XD diagnostics manual

15

15 ZF intarder EST42

CONTENTS

Page

Date

1.

ZF INTARDER EST42 FAULT CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 . . . . . 200438
1.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 . . . . . 200438

1.2

Explanatory notes to fault codes for ZF-intarder EST 42. . . . . . . . . . . . . . 1-2 . . . . . 200438

2.

SYSTEM INSPECTION WITH DAVIE XD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 200438
2.1

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 200438

ZF INTARDER EST42

2

©

200438

Contents

15

DAVIE XD diagnostics manual

©

200438

1-1

ZF intarder EST42 fault codes

ZF INTARDER EST42

DAVIE XD diagnostics manual

15

1. ZF INTARDER EST42 FAULT CODES

1.1 INTRODUCTION

If the electronic unit detects a system fault, this

fault is usually stored in the memory of the

electronic unit as a fault code.

Most system faults will also generate a warning.

ZF INTARDER EST42

1-2

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200438

ZF intarder EST42 fault codes

15

DAVIE XD diagnostics manual

1.2 EXPLANATORY NOTES TO FAULT CODES FOR ZF-INTARDER EST 42

Fault code

Fault code description with possible cause

Symptom

11-11

Short circuit to earth in air supply valve (B089):

-

pin 2

-

Delayed activation of intarder

-

No noticeable system limitation

Short circuit to earth in air supply valve output:

-

pin 1 of intarder unit (D902)

Short circuit in air supply valve outputs

-

pins 1 and 34 of intarder unit (D902)

11-12

Short circuit to supply in air supply valve (B089):

-

pin 2

-

Delayed activation of intarder

-

No noticeable system limitation

Short circuit to supply in air supply valve output:

-

pin 1 of intarder unit (D902)

11-13

Interruption in air supply valve (B089):

-

pin 2

-

Delayed activation of intarder

-

No noticeable system limitation

Interruption in air supply valve output:

-

pin 1 of intarder unit (D902)

Interruption in air supply valve output:

-

pin 34 of intarder unit (D902)

13-11

Short circuit to earth in "intarder active" function

indication output:

-

pin 29 of intarder unit (D902)

-

No "intarder active" function indication on

DIP when intarder is activated

-

No noticeable system limitation

13-12

Short circuit to supply in "intarder active" function

indication output:

-

pin 29 of intarder unit (D902)

-

No "intarder active" function indication on

DIP when intarder is activated

-

No noticeable system limitation

13-13

Interruption in "intarder active" function indication

output:

-

pin 29 of intarder unit (D902)

-

No "intarder active" function indication on

DIP when intarder is activated

-

No noticeable system limitation

15-11

Short circuit to earth in brake light relay (G036)

output:

-

pin 2 of intarder unit (D902)

-

No noticeable system limitation

15-12

Short circuit to supply in brake light relay (G036)

output:

-

pin 2 of intarder unit (D902)

-

No noticeable system limitation

16-11

Short circuit to earth in "intarder warning" function

indication input:

-

pin D24 of VIC unit (D900)

-

No noticeable system limitation

Short circuit to earth in "intarder warning" function

indication output:

-

pin 52 of intarder unit (D902)

16-12

Short circuit to supply in "intarder warning"

function indication input:

-

pin D24 of VIC unit (D900)

-

Normal braking effect of the intarder if the

steering column switch is in position 1.

-

Reduced braking effect of the intarder if the

steering column switch is in position 2 or 3.

(Current through proportional valve is

restricted to 250 mA max.)

Short circuit to supply in "intarder warning"

function indication output:

-

pin 52 of intarder unit (D902)

16-13

Interruption in "intarder warning" function

indication input:

-

pin D24 of VIC unit (D900)

-

No noticeable system limitation

Interruption in "intarder warning" function

indication output:

-

pin 52 of intarder unit (D902)