Volkswagen Golf / Golf GTI / Golf Variant. Service manual - part 184

 

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Volkswagen Golf / Golf GTI / Golf Variant. Service manual - part 184

 

 

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

P0761 Shift Sole‐

noid "C"

Perform‐

ance/Stuck

Off

• open-circuit

check

• Compari‐

son of re‐

sidual cur‐

rent of

gearbox

subsystem

2 (total

current at

common

high-side

switch 2 –

actual cur‐

rent of

clutch 2) at

switching

point of

control

gearshift

fork valve

3 with re‐

sidual cur‐

rent at per‐

manent

control of

control

gearshift

fork valve

3

• difference

of residual

current<=

200 mA

(supply

voltage at

common

high-side

2=7 V) ..

450 mA

(supply

voltage at

common

high-side

2=13 V)

• common

high-side

switch 2 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 2 ac‐

tive

• common

high-side

switches not

deactivated

by module 2

• change of

supply volt‐

age < 1 V

• duty factor

change of

safety valve

2 <= 5%

(control of

safety valve

2 is stable)

• duty factor

change of

gearshift fork

valve 4 <=

5% (control

of gearshift

fork valve 4 is

stable)

• duty factor of

control gear‐

shift fork

valve 3 >

70% and

steady state

time >= 50

ms

• 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

3. Diagnosis and Testing    

409

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

P0766 Shift Sole‐

noid "D"

Perform‐

ance/Stuck

Off

• open-circuit

check

• Compari‐

son of re‐

sidual cur‐

rent of

gearbox

subsystem

2 (total

current at

common

high-side

switch 2 –

actual cur‐

rent of

clutch 2) at

switching

point of

control

gearshift

fork valve

4 with re‐

sidual cur‐

rent at per‐

manent

control of

control

gearshift

fork valve

4

• difference

of residual

current<=

200 mA

(supply

voltage at

common

high-side

2=7 V) ..

450 mA

(supply

voltage at

common

high-side

2=13 V)

• common

high-side

switch 2 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 2 ac‐

tive

• common

high-side

switches not

deactivated

by module 2

• change of

supply volt‐

age < 1 V

• duty factor

change of

safety valve

2 <= 5%

(control of

safety valve

2 is stable)

• duty factor

change of

gearshift fork

valve 3 <=

5% (control

of gearshift

fork valve 3 is

stable)

• duty factor of

control gear‐

shift fork

valve 4 >

70% and

steady state

time >= 50

ms

• 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

410

     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

P0771 Shift Sole‐

noid "E"

Perform‐

ance/Stuck

Off

• open-circuit

check

• Compari‐

son of re‐

sidual cur‐

rent of

central

control (to‐

tal current

at common

high-side

switch 3 –

actual cur‐

rent of

main pres‐

sure valve

and cool‐

ing oil

valve) at

switching

point of

multiplexer

valve with

residual

current at

permanent

control of

multiplexer

valve

• difference

of residual

current <=

150 mA

( maximum

of supply

voltage at

common

high-side

1,2 and

terminal 15

=7 V) ..

300 mA

(maximum

of supply

voltage at

common

high-side

1,2 and

terminal 15

=13 V)

• common

high-side

switch 3 on

and not de‐

fect

• no short-cir‐

cuit current

check failure

of main pres‐

sure sole‐

noid valve

• common

high-side

switch 1 and

2 voltage >

9.2 V

• common

high-side

switches not

deactivated

by module 2

• change of

supply volt‐

age < 1 V

• multiplexer

valve is con‐

trolled and

steady state

time >= 50

ms

• terminal 15

voltage > 9 V

for more than

500 ms

• engine

speed > 500

rpm

 

 

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

411

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

P0776 Pressure

Control Sol‐

enoid "B"

Perform‐

ance/Stuck

Off

• pressure in‐

tegral moni‐

toring

• integral of

actual

pressure

minus de‐

sired pres‐

sure minus

drain ex‐

ceeds a

maximum

value

• pressure

integral >=

0,1 bars

• desired pres‐

sure <=

adapted

clutch slip‐

ping point + 1

bar

• standing ve‐

hicle with ac‐

celerator

pedal < 0.1%

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 500

rpm

• 300

ms

• 2

driv‐

ing

cy‐

cles

• open-circuit

check

• desired

valve cur‐

rent of

clutch 2

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 2 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 2 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

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

412

     Rep. Gr. ST - Generic Scan Tool

 

 

 

 

 

 

 

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