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
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
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
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 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
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
23-45
Incorrect wheel speed sensor sine-wave signal from wheel speed sensor (F515) on pins B1 and B2 of the rear axle modulator (D879) due to:
- distorted wheel speed sensor ring
- damaged wheel speed sensor ring
- ABS on rear axle, right deactivated
- ASR brake/engine control 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 (D879) due to:
- excessive wheel bearing play
- incorrect mounting of wheel speed sensor ring
- ABS on rear axle, right deactivated
- ASR brake/engine control 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 (D879) due to:
- excessive wheel bearing play
- incorrect mounting of wheel speed sensor ring
- ABS on rear axle, right deactivated
- ASR brake/engine control 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 (D879) 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
24-37
Interruption in wheel speed sensor (F514) on pins C1 and C2 of the rear axle modulator (D879)
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-41
Short circuit to earth in wheel speed sensor (F514) on pins C1 and C2 of the rear axle
modulator (D879)
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-42
Short circuit to supply in wheel speed sensor (F514) on pins C1 and C2 of the rear axle
modulator (D879)
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-44
Short circuit between pins C1 and C2 of the rear axle modulator (D879), wheel speed sensor (F514)
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-45
Incorrect wheel speed sensor sine-wave signal from wheel speed sensor (F514) on pins C1 and C2 of the rear axle modulator (D879) due to:
- distorted wheel speed sensor ring
- damaged wheel speed sensor ring
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-46
No uniformity (frequency changes) of wheel speed sensor signal from wheel speed sensor (F514) on pins C1 and C2 of the rear axle
modulator (D879) due to:
- excessive wheel bearing play
- incorrect mounting of wheel speed sensor ring
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-47
Excessive oscillation of wheel speed sensor signal (maximum/minimum level) from wheel speed sensor (F514) on pins C1 and C2 of the rear axle modulator (D879) due to:
- excessive wheel bearing play
- incorrect mounting of wheel speed sensor ring
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
24-48
Minimum value of wheel speed sensor signal from wheel speed sensor (F514) on pins C1 and
C2 of the rear axle modulator (D879) is too low due to:
- too large an air gap between wheel speed sensor ring and wheel speed sensor
- contact resistance on pin C1 and/or C2 of the rear axle modulator
- ABS on rear axle, left deactivated
- ASR brake/engine control deactivated
31-16
Large deviation between the duty cycle signals from the foot brake valve (F628) on pins E2 and E5 of the EBS unit due to:
- internal fault in foot brake valve
- ABS on front and rear axles deactivated
- ASR brake/engine control deactivated
- EBS pressure control on front axle, rear axle and drawn vehicle deactivated - Low voltage on connection point A9 inside EBS unit
