DAF CF, LF & XF Truck Fault Codes DTC pages:
ECAS (air suspension control), Airtronic (autonomous air heater) DAF DTC
Hydronic (autonomous system that warms up the truck), D3LC (Eberspächer Heater) DAF DTC
EBS-2 (electronic braking system) DAF DTC
EMAS (electro-hydraulic steering system) DAF DTC
AS-TRONIC (gearbox module) DAF DTC
UPEC (injection control) DAF DTC
ALS (alarm), AGS (lubrication system) DAF DTC
CDM, VIC (data processing module) DAF DTC
CDS-3 (central door lock ver. 3), ABS-E (brake system) DAF DTC
ABS (brake system), ASR (brake system) DAF DTC
DAF Truck Fault Codes EBS
DAF LF45 LF55 CF65 CF75 CF85 XF95 Trucks Fault Codes DTC
DTC - Description and possible causes - symptoms
11-18
Voltage at A8 EBS unit too low:
- The contact resistance or a poor connection with the conclusion of the A8
Block U S
- Deactivation of ABS on the wheels of the front axle
- Deactivating the ASR brake control
- Deactivating the EBS pressure control on the wheels of the front axle and trailer transport
11-31
Excessively low voltage (below 3V) at pin A8 unit EBS:
- Excessive contact resistance at terminal A8 unit EBS
- Open circuit at pin A8 EVS unit
- Deactivation of ABS on the wheels of the front axle
- Deactivating the ASR brake control
- Deactivating the EBS pressure control on the front wheels
axle trailer and transport
12-18
The voltage at terminal A9 EBS unit too low:
- The contact resistance or a poor connection with the conclusion of the A9
EVS unit
- Short to ground in the output B7 EBS unit
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
12-31
Excessively low voltage (below 3V) at terminal A9 unit EBS:
- Excessive contact resistance at terminal A9 unit EBS
- Open circuit on the output unit A9 EVS
A short to ground in the output of E4 or B7 unit EBS
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the rear axle
- Conclusion B7 is connected with the mass inside the EBS unit, whereby
not supply power to the A9 and E4 conclusions.
13-18
The voltage at terminal A7 EBS unit too low:
- The contact resistance or a poor connection with the conclusion of the A7
Block U S
- No significant restrictions to EBS
14-32
Sensors are served too low voltage at the terminals D9, B13
or E1 block U S:
- The contact resistance or a poor connection in the specified
EBS unit connection points
- Short to ground in the specified unit EBS connection points
- No significant restrictions to EBS
14-33
Constant voltage, even when the ignition is switched off and without application of the brakes on the findings D9, B13 or E1 block EBS:
- Short to power supply in the specified unit EBS connection points
- No significant restrictions to EBS
15-33
Constant voltage, even when the ignition is switched off and without the use of brakes on pin B7 EBS unit:
- Short to power supply in the output of the block B7 EBS
- No significant restrictions to EBS
16-11
Internal fault in the EBS electronic unit
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
16-12
Incorrect configuration settings in the electronic unit:
- Incorrect programming
- Reinstall the components without changing the identification card
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
16-15
Internal fault in the EBS electronic unit
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
16-17
Too high voltage (above 32 V) on the A7 findings, A8 and A9 block U S:
- Excessive generator voltage / battery
- Inductive voltage external components
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
16-18
Too low voltage at the A7, A8 and A9 EBS unit at a speed below 2 km / h:
- Insufficient battery voltage
- Bad connection to the EBS electronic unit mass
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
16-53
Wrong tire size:
- Incorrect programming tire size
- Different tire sizes front and rear wheels of the car without
corresponding reprogramming
- The peripheral speed difference between left and right wheels of one axle is greater than 10%
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
21-37
Open at the terminals C4 and / or C5 EBS unit, wheel sensor (F513)
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-38
Unacceptable frequency of the wheel speed sensor (F513) at the terminals C4 and C5 EVS unit:
- Loss of encoder ring
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the front wheels and
21-41
A short to ground in the conclusions of the C4 and / or C5 EBS unit
wheel sensor (F513)
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-42
Short to power supply in the conclusions of the C4 and / or C5 EBS unit, wheel sensor (F513)
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-44
Short-circuit at the terminals of C4 and / or C5 EBS unit, wheel
sensor (F513)
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-45
Wrong sinusoidal signal from the wheel speed sensor (F513) at the terminals C4 and C5 EBS unit:
- Deformation encoder ring
- Damage to the encoder ring
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-46
No uniformity (rate of change) of the wheel speed sensor signals (F513) at the terminals C4 and C5 EBS unit:
- For example, the poor performance of the sensor as a result of the brake disc run-out
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-47
Excessive vibrations signal range (maximum /
minimum level) of the wheel speed sensor
(F513) at the terminals C4 and C5 EVS unit:
- Excessive play in a wheel bearing
- Incorrect installation of the impulse drive wheel speed sensor
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
21-48
Too low a minimum value of the wheel speed sensor (F513) at the terminals C4 and C5 EBS unit:
- Too big a gap between the disc and the pulse sensor
Wheel speed
- The contact resistance at the terminals C4 and / or C5 unit EBS
- Deactivating ABS front axle right wheel
- Deactivating the brake control / engine ASR
22-37
Open at the terminals D7 and / or D8 EBS unit, wheel sensor (F512)
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-38
Unacceptable frequency of the wheel speed sensor (F512) at the terminals D7 and D8 EVS unit:
- Loss of encoder ring
- Incorrect assessment of EBS unit
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
22-41
A short to ground in the conclusions and D7 / D8 or block EBS,
wheel sensor (F512)
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-42
Short to power supply in the conclusions and D7 / D8, or S EB unit, wheel sensor (F512)
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-44
Short-circuit at the terminals D7 and / or D8 EBS unit, wheel
sensor (F512)
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-45
Wrong sinusoidal signal from the wheel speed sensor (F512) at the terminals D7 and D8 block EVS:
- Deformation encoder ring
- Damage to the encoder ring
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-46
No uniformity (rate of change) of the wheel speed sensor signals (F512) on the D7 and D8 conclusions unit EBS:
- For example, the poor performance of the sensor as a result of the brake disc run-out
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-47
Excessive vibrations signal range (maximum /
minimum level) of the wheel speed sensor
(F512) at the terminals D7 and D8 EVS unit:
- Excessive play in a wheel bearing
- Incorrect installation of the impulse drive wheel speed sensor
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
22-48
Too low a minimum value of the wheel speed sensor (F512) at the terminals D7 and D8 unit EBS:
- Too big a gap between the disc and the pulse sensor
Wheel speed
- The contact resistance on the findings and D7 / D8 or block EBS
- ABS Deactivation of the front axle of the left wheel
- Deactivating the brake control / engine ASR
23-37
Open to the conclusions B1 and / or B2 of the rear axle modulator (D879), wheel sensor (F515)
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-41
A short to ground in the conclusions B1 and / or B2 modulator
rear axle (D879), wheel sensor (F515)
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-42
Short to power supply in the conclusions B1 and / or B2 of the rear axle modulator (D879), wheel sensor (F515)
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-44
Short circuit between terminals B1 and / or B2 of the rear axle modulator (D879), wheel sensor (F515)
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-45
Wrong sinusoidal signal from the wheel speed sensor (F515) at the terminals B1 and B2 of the rear axle modulator (D879):
- Deformation encoder ring
- Damage to the encoder ring
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-46
No uniformity (rate of change) of the wheel speed sensor signals (F515) at the terminals B1 and B2 of the rear axle modulator (D879):
- Excessive play in a wheel bearing
- Incorrect installation of the impulse drive wheel speed sensor
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-47
Excessive vibrations signal range (maximum / minimum) of the wheel speed sensor
(F515) at the terminals B1 and B2 of the rear axle modulator (D879):
- Excessive play in a wheel bearing
- Incorrect installation of the impulse drive wheel speed sensor
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
23-48
Too low a minimum value of the wheel speed sensor (F515) at the terminals B1 and B2 of the rear axle modulator (D879):
- Too big a gap between the disc and the pulse sensor
Wheel speed
- The contact resistance on the conclusions B1 and / or B2 modulator
rear axle (D879)
- Deactivating ABS rear axle right wheel
- Deactivating the brake control / engine ASR
24-37
Open at the terminals C1 and / or C2 of the rear axle modulator (D879), wheel sensor (F514)
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-41
A short to ground in the conclusions C1 and / or C2 modulator
rear axle (D879), wheel sensor (F514)
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-42
Short to power supply in the conclusions of the C1 and / or C2 of the rear axle modulator (D879), wheel sensor (F514)
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-44
Short circuit between terminals C1 and / or C2 of the rear axle modulator (D879), wheel sensor (F514)
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-45
Wrong sinusoidal signal from the wheel speed sensor (F514) at the terminals C1 and C2 of the rear axle modulator (D879):
- Deformation encoder ring
- Damage to the encoder ring
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-46
No uniformity (rate of change) of the wheel speed sensor signals (F514) at the terminals C1 and C2 of the rear axle modulator (D879):
- Excessive play in a wheel bearing
- Incorrect installation of the impulse drive wheel speed sensor
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-47
Excessive vibrations signal range (maximum /
minimum level) of the wheel speed sensor (F514) on terminals C1 and C2 of the rear axle modulator (D879):
- Excessive play in a wheel bearing
- Incorrect installation of the impulse drive wheel speed sensor
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
24-48
Too low a minimum value of the wheel speed sensor (F514) at the terminals C1 and C2 of the rear axle modulator (D879):
- Too big a gap between the disc and the pulse sensor
Wheel speed
- The contact resistance on the conclusions C1 and / or C2 modulator
rear axle (D879)
- ABS Deactivation of the rear axle of the left wheel
- Deactivating the brake control / engine ASR
31-16
Big difference between the duty cycle signals from the brake valve (F628) on the findings of the E2 and E5 unit EBS:
- Internal fault in the brake valve
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
- Low voltage at the point of connection within the A9 EBS unit
31-52
Big difference between the duty cycle signals from the brake valve (F628) on the findings of the E2 and E5 unit EBS:
- Internal fault in the brake valve
- No significant restrictions to EBS
32-37
The absence of the position sensor 1 in the brake pedal brake valve (F628) at terminal block EZ EBS:
- Sensor fault
- Open circuit at pin EZ EBS unit
- No significant restrictions to EBS
32-41
the brake pedal position sensor 1 in the brake valve (F628) is closed or a short to ground in the output unit EZ EBS
- Pressure control actuators in the system are enabled when the brake pedal is not pressed; after a certain time (about
1 minute) drives are automatically switched off
33-37
The absence of the position sensor signal the brake pedal 2 in the brake valve (F628) at terminal block E6 EBS:
- Sensor fault
- Open circuit at terminal block E6 EVS
- No significant restrictions to EBS
33-41
The brake pedal position sensor 2 in the brake valve (F628) is closed or a short to ground in the output unit of E6 EBS
- Pressure control actuators in the system are enabled when the brake pedal is not pressed; after a certain time (about 1 minute) drives are automatically switched off
34-41
The lower level of the signal from the brake pedal position sensor 1 in the brake valve (F628) at terminal block EBS E2 is too low for a certain period of time:
- The contact resistance at terminal E2 block EBS
- Internal fault in the brake valve
- Short to ground in the output unit EBS E2
- No significant restrictions to EBS
34-43
Upper signal from the pedal brake 1 level in the brake valve (F628) at terminal block EBS E2 is too high for a certain period of time:
- Short-circuit on the power supply at terminal block EBS E2
- Internal fault in the brake valve
- Open circuit at terminal block E1 EVS
- No significant restrictions to EBS
35-41
The lower level of the signal from the brake pedal position sensor 2 in the brake valve (F628) at terminal block E5 EBS is too low for a certain period of time:
- The contact resistance at terminal block E5 EBS
- Internal fault in the brake valve
- Short to ground in the output unit E5 EBS
- No significant restrictions to EBS
35-43
The upper level of the signal from the brake pedal position sensor 2 in the brake valve (F628) at terminal block EBS E5 is too high for a certain period of time:
- Short circuit to supply power to the output unit E5 EBS
- Internal fault in the brake valve
- Open circuit at terminal E4 EVS unit
- A break in the connection point E5 unit U S
- No significant restrictions to EBS
41-61
Can not communication via the bus V-CAN to the A1 and AZ findings EBS unit when ignition is switched on:
- Open circuit at terminal block A1 EVS
- Short to ground in the withdrawal of AZ EBS unit
- Short to power supply in the conclusions of the A1 and / or AZ
Block U S
- Deactivating the brake control / engine ASR
41-63
Open communication by means of V-CAN bus to the A1 and AZ findings EBS unit:
- Open A1 findings and / or AZ EBS unit
- Short to ground in the withdrawal of AZ EBS unit
- Short to power supply in the output of A1 and / or AZ
Block U S
- Deactivating the brake control / engine ASR
41-65
Message CAN «ERC1» bus does not arrive within a certain
period of time from the engine management system with respect to
engine braking torque
- No significant restrictions to EBS
41-66
Message CAN «EES1" bus does not arrive within a certain
period of time from the engine management system with respect to
Engine torque and speed
- No significant restrictions to EBS
41-67
Post CAN «ETS1" tires not received within a certain time period from the gearbox (AS Tronic) upon activation of the transmission
- No significant restrictions to EBS
41-68
Post CAN «CCVS» tire is not received within a certain period of time relative to the engine management system
parking brake position, vehicle speed and
clutch position
- No significant restrictions to EBS
41-69
Message CAN «TS01» bus does not arrive within a certain
period of relative velocity tachograph
car:
- Communication problems with the tachograph (STPS)
- Incorrect K-factor in the STPS or lack thereof
- Delay off power supply to the EBS unit when ignition is turned off (this is due to the production moments, but in later versions, this problem is resolved by adding a relay
G426)
- No significant restrictions to EBS
41-71
CAN bus messages are not from VIC in a certain period of time
- No significant restrictions to EBS
42-16
EBS unit does not receive the correct CAN bus messages from the rear axle modulator (D879) on the conclusions of the B1 and B4 block EBS
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
42-61
Open the CAN bus communication with the rear axle modulator (D879)
B1 through B4 and conclusions unit EBS:
- Short-circuit to ground at pin B4 block EBS
- Short circuit to supply power to the output B1 and / or withdrawal of the block B4 EBS
- Short circuit between B1 and B4-pin EBS unit
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
43-61
CAN bus communication problems with the control unit trailer transport through terminals OT and B6 EBS unit
- No significant restrictions to EBS
43-63
Open rolling CAN communication with the trailing vehicle control unit via terminals OT and B6 unit EBS:
- Open circuit at the terminals OT iV6 unit EBS
- Short circuit between terminals OT and block B6 EVS
- No significant restrictions to EBS
43-75
Open rolling CAN communication with the trailing vehicle control unit via terminal OT (CAN-H) EBS unit:
- Open circuit at terminal OT EVS unit
- Short circuit on output OT EBS unit
- No significant restrictions to EBS
43-76
Open communication with the rolling stock transportation trailer control unit via terminal B6 (CAN-L) EBS unit:
- Open circuit at terminal block B6 EVS
- Short circuit at terminal block B6 EBS
- No significant restrictions to EBS
45-16
Open, short to ground or short to
the power supply in the output unit A18 EBS
- No significant restrictions to EBS
51-21
Short circuit to earth at terminal block D11 EBS, valve
ABS (V256)
- ABS Deactivation of the front axle of the left wheel
51-22
Short circuit to supply power to the output D11 EBS unit valve ABS (V256)
- Deactivation of ABS wheel front axle
51-23
Open on pin D12 EBS unit valve ABS (V256)
- ABS Deactivation of the front axle of the left wheel
51-24
Open on pin D11 EBS unit valve ABS (V256)
- ABS Deactivation of the front axle of the left wheel
51-25
Continuous Valve activation ABS (V256) through terminals D10 and D12 and / or D11 and D12 block EBS:
- Internal fault in the EBS unit
- Deactivating ABS front axle wheels
- Deactivating the EBS pressure control on the wheels of the front axle and trailer transport
51-26
Open on pin D10 EBS unit valve ABS (V256)
- ABS Deactivation of the front axle of the left wheel
51-27
A short to ground in the output unit D10 EBS valve ABS (V256)
- ABS Deactivation of the front axle of the left wheel
51-28
Short to power supply in the output unit D10 EBS,
ABS (V256) valve
- Deactivation of ABS wheel front axle
52-21
Short circuit to earth at terminal C2 EBS unit, ABS valve
(V257)
- Deactivating ABS front axle right wheel
52-22
Short circuit to supply power to the output C2 unit EBS,
ABS (V257) valve
- Deactivation of ABS wheel front axle
52-23
Open on pin NW EBS unit valve ABS (V257)
- Deactivating ABS front axle right wheel
52-24
Open at terminal C2 unit EBS valve ABS (V257)
- Deactivating ABS front axle right wheel
52-25
Continuous Valve activation ABS (V257) through terminals C1 and the SOC and / or C2 and NW EBS unit:
- Internal fault in the EBS unit
- Deactivating ABS front axle wheels
- Deactivating the EBS pressure control on the wheels of the front axle and trailer transport
52-26
Open on pin C1 unit EBS valve ABS (V257)
- Deactivating ABS front axle right wheel
52-27
A short to ground in the output unit C1 EBS, ABS valve
(V257)
- Deactivating ABS front axle right wheel
52-28
Short to power supply in the output unit C1 EBS,
ABS (V257) valve
- Deactivation of ABS wheel front axle
53-32
A short to ground in the output D12 or NW EBS unit valve ABS (V256 or V257)
- No significant restrictions to EBS
53-33
Short to power supply in the output D12 or NW EBS unit valve ABS (B25 6 or V257)
- Deactivation of ABS wheel front axle
55-12
Incorrect settings backup valve (V306):
- Reserve a valve connected to the EBS unit without Compliant
EBS block programming
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
55-31
Interruption in the backup valve (V306), defined by the output unit B12 S EB
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
55-32
A short to ground in the backup valve (V306), determined by the output unit B12 EBS
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
55-33
Short to power supply in standby valve (V306), determined by the output unit B12 EBS
- Deactivation of ABS wheel front axle
57-12
Incorrect settings shut-off valve ASR (V309):
- ASR shut-off valve is connected to the EBS unit without proper
EBS block programming
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
57-31
Open at pin C6 EBS unit, shut-off valve ASR (V309)
- Deactivating the ASR brake control
57-32
A short to ground in the output C6 EBS unit, shut-off
ASR (V309) valve
- Deactivating the ASR brake control
57-32
A short to ground in the output C6 EBS unit, shut-off
ASR (V309) valve
- Deactivating the ASR brake control
57-33
Short to power supply in the output C6 EBS unit
shut-off valve ASR (V309)
- No significant restrictions to EBS
61-16
Improper current flowing through the electromagnetic
coil front axle modulator (V307), measured by the findings D1 and D2 block EBS:
- A short circuit in the windings
- Short circuit or contact resistance between the conclusions of the D1 and D2 block EBS
- Deactivating the EBS pressure control on the wheels of the front axle
61-55
Incorrect outlet pressure of the front axle modulator (V307), measured with respect to the current flowing through the electromagnetic
coil at terminal D6 block EBS:
- Pressure Sensor Malfunction
- Too low supply pressure
- Deactivating the EBS pressure control on the wheels of the front axle
62-42
pressure sensor fault in the front axle modulator (V307):
- Short to power supply in the output of D6 block EBS
- Open circuit at pin D3 block EVS
- Short to power supply in the output D5 block EBS
- Open circuit in the pressure control system EBS, front axle
62-43
When inactive modulator front axle pressure sensor output signal at terminal D6 block EBS is too low or too high:
- Pressure Sensor Malfunction
- No supply voltage at the output D9 block EBS or the supply voltage is too low
- Open circuit at terminal D6 block EVS
- Short to ground in the D6 block output EBS
- Air pressure in the connection port 4 of the front axle modulator (V307) for non-activated brake valve (F628)
- Open circuit in the pressure control system EBS, front axle
63-25
Permanent activation of the front axle modulator (V307):
- Short circuit to power supply on one side and to ground on the other side
- Continuous activation of the brakes on the wheels of the front axle
63-32
A short to ground in the output D1 unit EBS, modulator
front axle (V307)
- Deactivating the EBS pressure control on the wheels of the front axle
63-33
Short to power supply in the output D1 unit EBS,
the front axle (V307) modulator
- Deactivating the EBS pressure control on the wheels of the front axle
63-34
A short to ground in the output D2 unit EBS, modulator
front axle (V307)
- Deactivating the EBS pressure control on the wheels of the front axle
63-35
Short to power supply in the output D2 unit EBS,
the front axle (V307) modulator
- Deactivating the EBS pressure control on the wheels of the front axle
63-36
Open to the conclusions of D1 and / or D2 EBS unit, the front axle modulator (V307)
- Deactivating the EBS pressure control on the wheels of the front axle
64-13
EBS unit parameter type for the rear axle modulator does not correspond to the parameters of the rear axle modulator (D879)
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
64-16
A fault in the solenoid valve of the rear axle modulator (D879)
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
64-51
Too high outlet pressure of the rear axle modulator (D879)
- Deactivation of ABS on the wheels of the rear axle
64-52
Too high a brake pressure signal difference between the sensors in the rear axle modulator (D879)
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
64-54
No signal in the rear axle modulator (D879) or the signal
wrong (too high or too low)
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
64-64
CAN unit EBS Communication problems with the rear axle modulator (D879) through the conclusions B1 and B4 block EBS
Open applying voltage to the output of the block B7 EBS
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the rear axle wheels
- In case of breakage on the output B7 A9 compound E4 and inside the electronic control unit points low voltage, whereby the brake pedal sensor 2 does not receive the output signal. If the measurement is made at terminal B7, it also fails, as in this situation will be output Q7 to ground connection inside the electronic control unit.
66-12
Incorrect settings of the control valve trailer transport (V308):
- The control valve is connected to the towing vehicle EBS unit without a programming unit
- Deactivation of ABS on the wheels of the front and rear axles
- Deactivating the brake control / engine ASR
- Deactivating the EBS pressure control on the wheels of the front and rear axles, as well as transport trailer
66-16
Incorrect electromagnetic coil current control valve trailer transport (V308) at B10 findings and the electronic control unit B11:
- A short circuit in the wiring
- Short circuit or contact resistance between the terminal B10 and B11 EBS unit
- Deactivating the EBS pressure control RV trailer transport
66-55
Incorrect control valve output pressure
Transport trailer (V308) with respect to the current flowing through the electromagnetic coil:
- Pressure Sensor Malfunction
- Too low supply voltage
- Deactivating the EBS pressure control RV trailer transport
67-42
Faulty pressure sensor in the control valve of the trailer vehicle (V308):
- Short to power supply in the output of the 14th EBS unit
- Open circuit at pin D3 block EVS
- Short to power supply in terminal D3 block EBS
- Open circuit in the pressure control system EBS, trailer trucks
67-43
When idle control valve trailer transport
the output pressure sensor signal control valve (V308) at terminal 14 in the EBS unit is too low or too high:
- Pressure Sensor Malfunction
- No supply voltage at the output D9 block EBS or the supply voltage is too low
- Open circuit in the pressure control system EBS, trailer trucks
67-51
When idle control valve and trailer transport speed higher than 30 km / h output of the control valve pressure sensor (V308) at terminal B14 EBS unit is too low or too high:
- Pressure Sensor Malfunction
- Open circuit in the pressure control system EBS, trailer trucks
68-25
Permanent activation of the control valve trailer transport (V308):
- Short circuit to power supply on one side and to ground on the other side
- Continuous activation of the brakes on the wheels Transport trailer
68-32
A short to ground in the output B10 EBS unit control valve trailer transport (V308)
- Deactivating the EBS pressure control RV trailer transport
68-33
Short to power supply in the output of a 10 EBS unit
transport trailer control valve (V308)
- Deactivating the EBS pressure control RV trailer transport
68-34
A short to ground in the output B11 EBS unit control valve trailer transport (V308)
- Deactivating the EBS pressure control RV trailer transport
68-35
Short to power supply in the output of the block B11 EBS,
transport trailer control valve (V308)
- Deactivating the EBS pressure control RV trailer transport
68-36
Open to the conclusions of B10 and / or B11 unit EBS, the control valve
trailer transport (V308)
- Deactivating the EBS pressure control RV trailer transport
73-15
If the trailer vehicle with EBS sends a CAN message to the electronic control unit of the tractor to be displayed on the screen DIP as "a serious failure trailer transport", the code
fault is stored in the electronic control unit of the tractor