DAF 95XF. Manual - part 184

©

 200438

1-7

EMAS fault codes

EMAS

DAVIE XD diagnostics manual 

5

605-16

Internal failure in trailing axle angle sensor (F688) -

Trailing axle in centre position and does not 
steer anymore

Trailing axle angle sensor (F688) not properly 
adjusted

Short circuit to supply in front axle angle sensor 
(F687) on pin C14 of the ECU

Short circuit to earth or to supply in angle sensors 
(F687 and F688) on pin C3 of the ECU

Short circuit between pin C12 and pin C3 of the 
ECU

Short circuit to supply in trailing axle angle sensor 
(F688) on pin C12 of the ECU

Short circuit to earth or to supply in pressure 
sensors (PSX and PSY) on pin D4 of the ECU

Short circuit to supply in centring circuit pressure 
sensor (PSY) on pin C9 of the ECU

Short circuit to supply in steering circuit pressure 
sensor (PSX) on pin C10 of the ECU

Interruption in angle sensors (F687 and F688) on 
pin C4 of the ECU

605-18

Internal failure in trailing axle angle sensor (F688) -

Trailing axle in centre position and does not 
steer anymore

Trailing axle angle sensor (F688) not properly 
adjusted

Interruption in angle sensors (F687 and F688) on 
pin C3 of the ECU

Interruption or short circuit to earth in trailing axle 
angle sensor (F688) on pin C12 of the ECU

605-31

Trailing axle angle sensor signal (F688) changes 
insufficiently due to:
-

defective angle sensor

608-10

The difference between the desired and actual 
trailing axle steering angle changes too often

608-31

The difference between the desired and actual 
trailing axle steering angle is too large

609-02

Insufficient supply voltage on pins B1, B2 and/or 
A1 of the ECU

-

Trailing axle in centre position and does not 
steer anymore

Control valve (SP011) circuit resistance does not 
meet the specifications

609-03

Internal failure in control valve (SP011)

-

Trailing axle in centre position and does not 
steer anymore

Interruption or short circuit to earth in control 
valve (SP011) on pin B16 of the ECU

Interruption or short circuit to earth in control 
valve (SP011) on pin B17 of the ECU

609-04

Short circuit to supply in pressure relief valve 
(SP201) on pin B13 of the ECU

-

Trailing axle in centre position and does not 
steer anymore

Short circuit to supply in control valve (SP011) on 
pin B16 of the ECU

Fault code

Fault code description with possible cause

Symptom

EMAS

1-8

©

 200438

EMAS fault codes

5

DAVIE XD diagnostics manual

609-12

Internal failure in control valve (SP011)

-

Trailing axle in centre position and does not 
steer anymore

Interruption or short circuit to supply in control 
valve (SP011) on pin B16 of the ECU

Interruption in control valve (SP011) on pin B17 of 
the ECU

610-02

Internal failure in release valve (SP051)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply in 
release valve (SP051) on pin B10 of the ECU

Interruption or short circuit to earth in release 
valve (SP051) on pin B11 of the ECU

610-03

Interruption, short circuit to earth or to supply in 
release valve (SP051) on pin B10 or B11 of the 
ECU

610-12

Internal failure in release valve (SP051)

-

Trailing axle in centre position and does not 
steer anymore

Interruption or short circuit to supply in release 
valve (SP051) on pin B10 of the ECU

Interruption in release valve (SP051) on pin B11 
of the ECU

611-02

Internal failure in accumulator valve (SP071)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply in 
accumulator valve (SP071) on pin B7 of the ECU

Interruption or short circuit to earth in accumulator 
valve (SP071) on pin B8 of the ECU

611-03

Interruption, short circuit to earth or to supply in 
accumulator valve (SP071) on pin B7 or B8 of the 
ECU

-

Trailing axle in centre position and does not 
steer anymore

611-12

Internal failure in accumulator valve (SP071)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply in 
accumulator valve (SP071) on pin B7 of the ECU

Interruption or short circuit to earth in accumulator 
valve (SP071) on pin B8 of the ECU

612-02

Internal failure in valve block of the fluid flow 
control (B372)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply in 
pressure relief valve (SP201) on pin B13 of the 
ECU

Interruption or short circuit to earth in pressure 
relief valve (SP201) on pin B14 of the ECU

612-03

Short circuit to supply in pressure relief valve 
(SP201) on pin B13 of the ECU

-

Trailing axle in centre position and does not 
steer anymore

Short circuit to supply in control valve (SP011) on 
pin B16 of the ECU

Fault code

Fault code description with possible cause

Symptom

©

 200438

1-9

EMAS fault codes

EMAS

DAVIE XD diagnostics manual 

5

612-12

Internal failure in valve block of the fluid flow 
control (B372)

-

Trailing axle in centre position and does not 
steer anymore

Interruption or short circuit to earth in pressure 
relief valve (SP201) on pin B13 of the ECU

Interruption or short circuit to earth in pressure 
relief valve (SP201) on pin B14 of the ECU

612-31

Pressure relief valve (SP201)

613-03

Supply voltage on pin A1 of the ECU too low

613-04

Supply voltage on pins B1, B2 and/or A1 of the 
ECU too high

-

Trailing axle in centre position and does not 
steer anymore

613-16

Supply voltage on pins B1, B2 and/or A1 of the 
ECU too low

-

Trailing axle in centre position and does not 
steer anymore

Interruption on pin A1 of the ECU

613-18

Supply voltage on pins B1, B2 and/or A1 of the 
ECU too low

-

Trailing axle in centre position and does not 
steer anymore

614-02

Internal failure in EMAS electronic unit (D932)

-

Trailing axle in centre position and does not 
steer anymore

614-16

Internal failure in EMAS electronic unit (D932)

-

Trailing axle in centre position and does not 
steer anymore

614-18

Internal failure in EMAS electronic unit (D932)

-

Trailing axle in centre position and does not 
steer anymore

Short circuit to supply in front axle angle sensor 
(F687) on pin C14 of the ECU

Short circuit to earth or to supply in angle sensors 
(F687 and F688) on pin C3 of the ECU

Short circuit to supply in trailing axle angle sensor 
(F688) on pin C12 of the ECU

Short circuit to earth or to supply in pressure 
sensors (PSX and PSY) on pin D4 of the ECU

Short circuit to supply in centring circuit pressure 
sensor (PSY) on pin C9 of the ECU

Short circuit to supply in steering circuit pressure 
sensor (PSX) on pin C10 of the ECU

615-16

Internal failure in EMAS electronic unit (D932)

-

Trailing axle in centre position and does not 
steer anymore

615-18

Internal failure in EMAS electronic unit (D932)

-

Trailing axle in centre position and does not 
steer anymore

616-03

Supply voltage on pins B1 and B2 of the ECU too 
low

616-04

Supply voltage on pins B1, B2 and/or A1 of the 
ECU too high

-

Trailing axle in centre position and does not 
steer anymore

616-16

Supply voltage on pins B1, B2 and/or A1 of the 
ECU too low

-

Trailing axle in centre position and does not 
steer anymore

Short circuit to earth or interruption on pin B1 and/
or B2 of the ECU

Fault code

Fault code description with possible cause

Symptom

EMAS

1-10

©

 200438

EMAS fault codes

5

DAVIE XD diagnostics manual

616-18

Short circuit to earth or interruption on pin B1 and/
or B2 of the ECU

-

Trailing axle in centre position and does not 
steer anymore

Supply voltage on pins B1, B2 and/or A1 of the 
ECU too low

617-31

Internal failure in UPEC electronic unit (D814)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply on 
pin D17 of the ECU

618-31

EMAS system not calibrated

620-10

Internal failure in MTCO electronic unit (B525)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply of 
speed signal on pin D12 of the ECU

621-02

Accumulator relief valve (SP041) circuit 
resistance does not meet the specifications

621-03

Internal failure in accumulator relief valve 
(SP041)

-

Trailing axle in centre position and does not 
steer anymore

621-04

Short circuit to supply in accumulator relief valve 
(SP041) on pin B4 of the ECU

-

Trailing axle in centre position and does not 
steer anymore

621-12

Internal failure in accumulator relief valve 
(SP041)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply in 
accumulator relief valve (SP041) on pin B4 of the 
ECU

Interruption or short circuit to earth in accumulator 
relief valve (SP041) on pin B5 of the ECU

622-31

Interruption in supply voltage (after ignition) on 
pin A1 of the ECU

-

Trailing axle in centre position and does not 
steer anymore

-

No communication with DAVIE possible

623-31

Possibly air inside EMAS system

-

Trailing axle in centre position and does not 
steer anymore

624-31

EMAS system not calibrated

-

Trailing axle in centre position and does not 
steer anymore

625-31

Internal failure in EMAS electronic unit (D932)

-

Trailing axle in centre position and does not 
steer anymore

626-31

EMAS system not fully calibrated due to:
-

incorrect calibration of front axle angle 
sensor (F687)

-

Trailing axle in centre position and does not 
steer anymore

627-31

EMAS system not fully calibrated due to:
-

incorrect calibration of trailing axle angle 
sensor (F688)

-

Trailing axle in centre position and does not 
steer anymore

628-31

EMAS system not fully calibrated due to:
-

incorrect calibration of pressure sensors 
(PSX and PSY)

-

Trailing axle in centre position and does not 
steer anymore

629-31

Internal UPEC failure (D814)

-

Trailing axle in centre position and does not 
steer anymore

Interruption, short circuit to earth or to supply of 
engine speed signal on pin D17 of the ECU

Fault code

Fault code description with possible cause

Symptom