Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 183

DQ-250 6F 02E

DTC Fault Code

Description

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Fre‐

quency

of

checks,

MIL Il‐

lum

• open-circuit

check

• desired

valve cur‐

rent of

clutch 1

exceeds a

threshold

simultane‐

ous the ac‐

tual valve

current is

smaller

than a sec‐

ond

threshold

• desired

current>

350 mA

actual cur‐

rent< 50

mA

• common

high-side

switch 1 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 1 ac‐

tive

• common

high-side

switches not

deactivated

by module 2

• terminal 15

voltage > 9 V

for more than

500 ms

• engine

speed > 500

rpm

P0747 Pressure

Control Sol‐

enoid "A"

Stuck On

• pressure

buildup

monitoring

• the num‐

ber of suc‐

cessive

pressure

buildup

failure of

clutch 1

reaches a

maximum

value

• counter > 2 • engaged

gear on input

shaft 1

• desired pres‐

sure >adap‐

ted clutch

slipping point

– 0.2 bar

• output speed

< 200 rpm

• terminal 15

voltage > 4 V

for more than

500 ms

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 600

rpm for more

than 500 ms

• 0 ms • 2

driv‐

ing

cy‐

cles

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

405

DQ-250 6F 02E

DTC Fault Code

Description

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Fre‐

quency

of

checks,

MIL Il‐

lum

• short-circuit

current

check

• compari‐

son of ac‐

tual valve

current

with de‐

sired valve

current of

clutch 1

• actual

current>de‐

sired cur‐

rent and

(actual cur‐

rent- de‐

sired cur‐

rent)> 200

mA for

more than

200 ms

• common

high-side

switch 1 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 1 ac‐

tive

• common

high-side

switches not

deactivated

by module 2

• terminal 15

voltage > 9 V

for more than

500 ms

• engine

speed > 500

rpm

• 200

ms

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

406

     Rep. Gr. ST - Generic Scan Tool

DQ-250 6F 02E

DTC Fault Code

Description

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Fre‐

quency

of

checks,

MIL Il‐

lum

P0751 Shift Sole‐

noid "A"

Perform‐

ance/Stuck

Off

• open-circuit

check

• Compari‐

son of re‐

sidual cur‐

rent of

gearbox

subsystem

1 (total

current at

common

high-side

switch 1 –

actual cur‐

rent of

clutch 1) at

switching

point of

control

gearshift

fork valve

1 with re‐

sidual cur‐

rent at per‐

manent

control of

control

gearshift

fork valve

1

• difference

of residual

current<=

200 mA

(supply

voltage at

common

high-side

1=7 V) ..

450 mA

(supply

voltage at

common

high-side

1=13 V)

• common

high-side

switch 1 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 1 ac‐

tive

• common

high-side

switches not

deactivated

by module 2

• change of

supply volt‐

age < 1 V

• duty factor

change of

safety valve

1 (control of

safety valve

1 is stable)

<= 5%

• duty factor

change of

gearshift fork

valve 2 (con‐

trol of gear‐

shift fork

valve 2 is sta‐

ble) <= 5%

• y factor

change of

safety valve

2 > 70%

• control of

safety valve

2 is stable >=

50 ms

• duty factor

change of

gearshift >

500 rpm

• 300

ms

• 2

driv‐

ing

cy‐

cles

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

407

DQ-250 6F 02E

DTC Fault Code

Description

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Fre‐

quency

of

checks,

MIL Il‐

lum

P0756 Shift Sole‐

noid "B"

Perform‐

ance/Stuck

Off

• open-circuit

check

• Compari‐

son of re‐

sidual cur‐

rent of

gearbox

subsystem

1 (total

current at

common

high-side

switch 1 –

actual cur‐

rent of

clutch 1) at

switching

point of

control

gearshift

fork valve

2 with re‐

sidual cur‐

rent at per‐

manent

control of

control

gearshift

fork valve

2

• difference

of residual

current<=

200 mA

(supply

voltage at

common

high-side

1=7 V) ..

450 mA

(supply

voltage at

common

high-side

1=13 V)

• common

high-side

switch 1 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 1 ac‐

tive

• common

high-side

switches not

deactivated

by module 2

• change of

supply volt‐

age < 1 V

• duty factor

change of

safety valve

1 (control of

safety valve

1 is stable)

<= 5%

• duty factor

change of

gearshift fork

valve 1 (con‐

trol of gear‐

shift fork

valve 1 is sta‐

ble) <= 5%

• duty factor of

control gear‐

shift fork

valve 2 >

70% and

steady state

time >=

50ms

• terminal 15

voltage > 9 V

for more than

500 ms

• engine

speed > 500

rpm

• 300

ms

• 2

driv‐

ing

cy‐

cles

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

408

     Rep. Gr. ST - Generic Scan Tool