DAF 95XF. Manual — part 212

©

200438

1-3

ZF intarder EST42 fault codes

ZF INTARDER EST42

DAVIE XD diagnostics manual

15

18-11

Short circuit to earth in supply voltage input for

steering column switch:

-

pin B11 of steering column switch (C831)

-

No braking effect of intarder possible in any

position of steering column switch

-

No "intarder active" function indication on

DIP when intarder is activated

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Short circuit to earth in supply voltage output for

steering column switch

-

pin 30 of intarder unit (D902)

18-12

Short circuit to supply in supply voltage input for

steering column switch (C831):

-

pin B11

-

No noticeable system limitation

Short circuit to supply in supply voltage output for

steering column switch:

-

pin 30 of intarder unit (D902)

19-11

Short circuit to earth in proportional solenoid

valve input:

-

pin 4 of intarder unit (D902)

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Short circuit in proportional solenoid valve inputs

-

pins 4 and 3 of intarder unit (D902)

19-12

Short circuit to supply in proportional solenoid

valve input:

-

pin 4 of intarder unit (D902)

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

19-13

Interruption in proportional solenoid valve output

(B088):

-

pin 1 or 2

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Interruption in proportional solenoid valve output:

-

pin 3 or 4 of intarder unit (D902)

19-14

Circuit resistance for proportional solenoid valve

(B088) is not within the specifications

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

21-11

Short circuit to earth in proportional solenoid

valve output (B088):

-

pin 1 or 2

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Short circuit to earth in proportional solenoid

valve input (B088):

-

pin 3 of intarder unit (D902)

21-12

Short circuit to supply in proportional solenoid

valve output (B088):

-

pin 1 or 2

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Short circuit to supply in proportional solenoid

valve input (B088):

-

pin 3 of intarder unit (D902)

23-16

Internal fault in intarder unit (D902)

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

23-17

Internal fault in intarder unit (D902)

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Fault code

Fault code description with possible cause

Symptom

ZF INTARDER EST42

1-4

©

200438

ZF intarder EST42 fault codes

15

DAVIE XD diagnostics manual

31-15

Incorrect or missing vehicle speed signal via

message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

Incorrect CAN message from MTCO unit

-

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.)

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

32-11

Short circuit to earth or supply in intarder coolant

temperature sensor output (F544):

-

pin 1

-

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 earth or supply in intarder coolant

temperature sensor input:

-

pin 9 of intarder unit (D902)

Short circuit in intarder coolant temperature

sensor inputs:

-

pins 9 and 37 of intarder unit (D902)

32-13

Interruption in intarder coolant temperature

sensor output (F544)

-

pin 9 or 37

-

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.)

Interruption in intarder coolant temperature

sensor input:

-

pin 9 or 37 of intarder unit (D902)

33-18

Short circuit to supply in supply voltage input for

position 2 of steering column switch:

-

pin 42 of intarder unit (D902)

-

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.)

-

No V-constant function possible

Short circuit to supply in supply voltage input for

position 3 of steering column switch:

-

pin 16 of intarder unit (D902)

Short circuit in supply voltage inputs for positions

2 and 3 of steering column switch:

-

pins 16 and 42 of intarder unit (D902)

41-19

Incorrect or missing accelerator pedal position

signal via message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

incorrect message from UPEC unit

-

The V-constant function is not deactivated

when the accelerator pedal is operated

-

No noticeable system limitation

42-19

Incorrect or missing vehicle speed signal via

message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

incorrect message from MTCO unit

-

Intarder is not deactivated if there is an ABS

intervention in the ABS/EBS system

-

No noticeable system limitation

43-19 Overloaded

CAN

communication system

between all vehicle systems. Not all CAN

messages can be sent in the same cycle. This

may be caused by:

-

short circuit to supply on pin 22

-

defective CAN terminating resistance

-

Actuation of exhaust brake not possible

during temperature-dependent reduction of

the braking effect of the intarder.

-

AS Tronic gearbox does not shift down

automatically when the intarder is activated.

44-15

No CAN communication between any vehicle

systems due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

Actuation of exhaust brake not possible

during temperature-dependent reduction of

braking effect.

-

AS Tronic gearbox does not shift down

automatically when the intarder is activated.

Fault code

Fault code description with possible cause

Symptom

©

200438

1-5

ZF intarder EST42 fault codes

ZF INTARDER EST42

DAVIE XD diagnostics manual

15

46-15

No CAN communication possible between any

vehicle systems due to problems with the V-CAN:

-

interruption on pin 49 or 22 or

-

defective CAN terminating resistance

-

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.)

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

47-19

Incorrect or missing engine speed signal via

message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

defective CAN terminating resistance

-

incorrect message from UPEC unit

-

Maximum braking effect of intarder

restricted to 350 kW

-

AS Tronic gearbox does not shift down

automatically when the intarder is activated.

48-19

Incorrect or missing vehicle speed signal via

message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

defective CAN terminating resistance

-

incorrect message from MTCO unit

-

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.)

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

-

Intarder does not function during third brake

integration braking

49-19

Incorrect or missing cruise control speed signal

via message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

defective CAN terminating resistance

-

incorrect message from UPEC unit

-

V-constant function not available

51-19

Incorrect or missing current intarder braking

torque signal via message on CAN network due

to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

defective CAN terminating resistance

-

incorrect message from UPEC unit

-

If the engine brake is switched on by foot

while the V-constant function is activated,

the intarder will not be automatically set to

the last selected current braking torque once

the engine brake is switched off.

64-19

Incorrect or missing CAN extension box signal via

message on CAN network due to:

-

interruption on pin 22

-

short circuit to earth on pin 49

-

short circuit to supply on pin 22 and/or 49

-

defective CAN terminating resistance

-

incorrect message from CAN extension box

-

No intarder braking effect possible via CAN

extension box

71-13

No supply voltage before ignition for intarder unit

(D902) due to:

-

short circuit to earth, interruption on pin 54 or

55

-

defective fuse E199

-

No noticeable system limitation

Fault code

Fault code description with possible cause

Symptom

ZF INTARDER EST42

1-6

©

200438

ZF intarder EST42 fault codes

15

DAVIE XD diagnostics manual

72-16

Incorrect supply voltage after ignition on pin 31 or

53 of intarder unit (D902) due to:

-

overvoltage > 36 V

-

No braking effect of intarder possible in any

position of steering column switch

-

No "intarder active" function indication on

DIP when intarder is activated

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

72-17

Incorrect supply voltage after ignition on pin 31 or

53 of intarder unit (D902) due to:

-

undervoltage < 16 V

-

No braking effect of intarder possible in any

position of steering column switch

-

No "intarder active" function indication on

DIP when intarder is activated

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

84-15

Internal fault in intarder unit (D902)

-

No braking effect of intarder possible in any

position of steering column switch

-

No speed indication on DIP if V-constant

function is activated

-

No V-constant function possible

Fault code

Fault code description with possible cause

Symptom

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Текст

Политика конфиденциальности