DAF CF65, CF75, CF85 Series . Manual - part 48

 

  Index      DAF     DAF CF65, CF75, CF85 Series - service repair manual

 

Search            

 

 

 

 

 

 

 

  

 

Content   ..  46  47  48  49   ..

 

 

DAF CF65, CF75, CF85 Series . Manual - part 48

 

 

©

1-3

EBS-2 fault codes

EBS-2

DAVIE XD diagnostics manual 

12

13-18

Voltage on pin A7 of the EBS unit is too low due 
to:
-

contact resistance or poor connection to pin 
A7 of the EBS unit

-

interruption on pin A7 of the EBS unit 

-

No noticeable system limitation in EBS

14-32

Sensor supply voltage on pins D9, B13 or E1 of 
the EBS unit due is too low due to:
-

contact resistance or poor connection on 
specified connection points of the EBS unit

-

short circuit to earth on specified connection 
points of the EBS unit

-

VSC system deactivated

14-33

Constant voltage, even if the ignition is turned off 
and the brake is not applied, on pin D9, B13 or E1 
of the EBS unit due to:
-

short circuit to supply on specified 
connection points of the EBS unit

-

VSC system deactivated

15-33

Constant voltage, even if the ignition is turned off 
and the brake is not applied, on pin B7 of the EBS 
unit due to:
-

short circuit to supply on pin B7 of the EBS 
unit

-

No noticeable system limitation in EBS

16-11

Internal fault in EBS unit

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

16-12

Configuration parameters in the EBS unit 
incorrect due to:
-

incorrect programming

-

retrofitted components without identification 
card (oxford) change

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

16-15

Internal fault in EBS unit

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

16-17

Voltage (>32 V) on pins A7, A8 and A9 of the EBS 
unit is too high due to:
-

excessive alternator/battery voltage

-

inductive voltage of external component

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

16-18

Voltage on pins A7, A8 and A9 of the EBS unit at 
a speed of >2 km/h is too low due to:
-

insufficient battery voltage

-

poor earth connection to EBS unit

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

16-49

Unacceptable information from steering angle 
sensor (F701) due to:
-

incorrect mechanical adjustment of straight-
ahead position of steering gear

-

VSC system deactivated

Fault code

Fault code description with possible cause

Symptom

EBS-2

1-4

©

EBS-2 fault codes

12

DAVIE XD diagnostics manual

16-53

The difference in peripheral speed between the 
left and right wheel on the same axle exceeds 
10%

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

17-32

Voltage on pin B15 of the EBS unit at least 2.5 V 
lower than the voltage on pin A8 of the EBS unit 
due to:
-

short circuit to earth on pin B15 of the EBS 
unit

-

VSC system deactivated

17-33

When the ignition is switched on, voltage is 
already supplied to pin B15 of the EBS unit due 
to:
-

short circuit to supply on pin B15 of the EBS 
unit

-

VSC system deactivated

21-37

Interruption on pin C4 and/or C5 of the EBS unit, 
wheel speed sensor (F513)

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

21-38

Unacceptable wheel speed sensor frequency 
signal from wheel speed sensor (F513) on pins 
C4 and C5 of the EBS unit due to:
-

loose pole ring

-

wrong assessment by EBS unit

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

21-41

Short circuit to earth on pin C4 and/or C5 of the 
EBS unit, wheel speed sensor (F513)

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

21-42

Short circuit to supply on pin C4 and/or C5 of the 
EBS unit, wheel speed sensor (F513)

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

21-44

Short circuit on pin C4 and/or C5 of the EBS unit, 
wheel speed sensor (F513)

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

21-45

Incorrect wheel speed sensor sine-wave signal 
from wheel speed sensor (F513) on pins C4 and 
C5 of the EBS unit due to:
-

distorted wheel speed sensor ring

-

damaged wheel speed sensor ring

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

21-46

No uniformity (frequency changes) of wheel 
speed sensor signal from wheel speed sensor 
(F513) on pins C4 and C5 of the EBS unit due to:
-

heavy point due to brake disc wobble, for 
example

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

21-47

Excessive oscillation of wheel speed sensor 
signal (maximum/minimum level) from wheel 
speed sensor (F513) on pins C4 and C5 of the 
EBS unit due to:
-

excessive wheel bearing play

-

incorrect mounting of wheel speed sensor 
ring

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

Fault code

Fault code description with possible cause

Symptom

©

1-5

EBS-2 fault codes

EBS-2

DAVIE XD diagnostics manual 

12

21-48

Minimum value of wheel speed sensor signal 
from wheel speed sensor (F513) on pins C4 and 
C5 of the EBS unit is too low due to:
-

too large an air gap between wheel speed 
sensor ring and wheel speed sensor

-

contact resistance on pin C4 and/or C5 of 
the EBS unit

-

ABS on front axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-37

Interruption on pin D7 and/or D8 of the EBS unit, 
wheel speed sensor (F512)

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-38

Unacceptable wheel speed sensor frequency 
signal from wheel speed sensor (F512) on pins 
D7 and D8 of the EBS unit due to:
-

loose pole ring

-

wrong assessment by EBS unit

-

ABS on front and rear axles deactivated

-

ASR brake/engine control deactivated

-

EBS pressure control on front axle, rear axle 
and drawn vehicle deactivated

-

VSC system deactivated

22-41

Short circuit to earth on pin D7 and/or D8 of the 
EBS unit, wheel speed sensor (F512)

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-42

Short circuit to supply on pin D7 and/or D8 of the 
EBS unit, wheel speed sensor (F512)

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-44

Short circuit on pin D7 and/or D8 of the EBS unit, 
wheel speed sensor (F512)

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-45

Incorrect wheel speed sensor sine-wave signal 
from wheel speed sensor (F512) on pins D7 and 
D8 of the EBS unit due to:
-

distorted wheel speed sensor ring

-

damaged wheel speed sensor ring

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-46

No uniformity (frequency changes) of wheel 
speed sensor signal from wheel speed sensor 
(F512) on pins D7 and D8 of the EBS unit due to:
-

heavy point due to brake disc wobble, for 
example

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-47

Excessive oscillation of wheel speed sensor 
signal (maximum/minimum level) from wheel 
speed sensor (F512) on pins D7 and D8 of the 
EBS unit due to:
-

excessive wheel bearing play

-

incorrect mounting of wheel speed sensor 
ring

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

22-48

Minimum value of wheel speed sensor signal 
from wheel speed sensor (F512) on pins D7 and 
D8 of the EBS unit is too low due to:
-

too large an air gap between wheel speed 
sensor ring and wheel speed sensor

-

contact resistance on pin D7 and/or D8 of 
the EBS unit

-

ABS on front axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-37

Interruption on pin B1 and/or B2 of the rear axle 
modulator (D879), wheel speed sensor (F515)

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

Fault code

Fault code description with possible cause

Symptom

EBS-2

1-6

©

EBS-2 fault codes

12

DAVIE XD diagnostics manual

23-38

Unacceptable wheel speed measured via the 
wheel speed sensor (F515)

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-41

Short circuit to earth on pin B1 and/or B2 of the 
rear axle modulator (D879), wheel speed sensor 
(F515)

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-42

Short circuit to supply on pin B1 and/or B2 of the 
rear axle modulator (D879), wheel speed sensor 
(F515)

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-44

Short circuit between pins B1 and B2 of the rear 
axle modulator (D879), wheel speed sensor 
(F515)

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-45

Incorrect wheel speed sensor sine-wave signal 
from wheel speed sensor (F515) on pins B1 and 
B2 of the rear axle modulator (D978) due to:
-

distorted wheel speed sensor ring

-

damaged wheel speed sensor ring

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-46

No uniformity (frequency changes) of wheel 
speed sensor signal from wheel speed sensor 
(F515) on pins B1 and B2 of the rear axle 
modulator (D978) due to:
-

excessive wheel bearing play

-

incorrect mounting of wheel speed sensor 
ring

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-47

Excessive oscillation of wheel speed sensor 
signal (maximum/minimum level) from wheel 
speed sensor (F515) on pins B1 and B2 of the 
rear axle modulator (D978) due to:
-

excessive wheel bearing play

-

incorrect mounting of wheel speed sensor 
ring

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

23-48

Minimum value of wheel speed sensor signal 
from wheel speed sensor (F515) on pins B1 and 
B2 of the rear axle modulator (D978) is too low 
due to:
-

too large an air gap between wheel speed 
sensor ring and wheel speed sensor

-

contact resistance on pin B1 and/or B2 of 
the rear axle modulator

-

ABS on rear axle, right deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

24-37

Interruption on pins C1 and C2 of the rear axle 
modulator (D978), wheel speed sensor (F514)

-

ABS on rear axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

24-38

Unacceptable wheel speed measured via the 
wheel speed sensor (F514)

-

ABS on rear axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

24-41

Short circuit to earth on pins C1 and C2 of the rear 
axle modulator (D978), wheel speed sensor 
(F514)

-

ABS on rear axle, left deactivated

-

ASR brake/engine control deactivated

-

VSC system deactivated

24-42

Short circuit to supply on pins C1 and C2 of the 
rear axle modulator (D978), wheel speed sensor 
(F514)

-

ABS on rear axle, left deactivated

-

ASR brake/engine control deactivated

Fault code

Fault code description with possible cause

Symptom

 

 

 

 

 

 

 

Content   ..  46  47  48  49   ..