Volkswagen Golf / Golf GTI / Golf Variant. Service manual - part 129

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitoring

Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

Fuel Con‐

trol Valve

Short To

Ground

Low Side

• Voltage low

side (hardware

values) < 1.92

– 2.10 V

• Ignition on
• Or
• Ignition off (dur‐

ing ECM keep

alive-time)

• And
• Actuator com‐

manded off

P2414

O2 Sen‐

sor Ex‐

haust

Sample

Error

Bank 1

Sensor

1

Oxygen

Sensors

Front Ra‐

tionality

Check

• Pump current

correction

(nernst-cell) >

0.00 A

• O2S front ready
• Fuel cut off not

active

• Cylinder shut off

not active

• Depending on

engine state:

• Engine part load
• Or
• Engine full load
• Or
• Engine idle for

time >= 5.0 s

• 10.0 s
• Contin‐

uous

• 2

DCY

– Check the Oxy‐

gen Sensor 1

Before Catalytic

Converter -

GX10- . Refer to

⇒ “3.6.28  Oxy‐

gen Sensor 1

Before Catalytic

Converter

GX10 , Check‐

ing”, page 516

 .

P2431

AIR Sys‐

tem Air

Flow/

Pres‐

sure

Sensor

Circuit

Range/

Per‐

for‐

mance

Bank 1

Secon‐

dary Air

System

Pressure

Sensor

Rationali‐

ty Check

• Difference be‐

tween AIR

pressure and

barometric

pressure > 6.0

kPa

• And
• Difference be‐

tween AIR

pressure and

intake manifold

pressure > 6.0

kPa

• Engine stop
• For time > 0.0 s

• 0.1 s
• Once /

DCY

• 2

DCY

– Check the Sec‐

ondary Air Sys‐

tem - GX24- .

Refer to

⇒ “3.6.30  Sec‐

ondary Air Injec‐

tion Sensor 1

G609 / Secon‐

dary Air Injection

Solenoid Valve

N112 , Check‐

ing”, page 521

 .

P2432

AIR Sys‐

tem Air

Flow/

Pres‐

sure

Sensor

Circuit

Low

Bank 1

Secon‐

dary Air

System

Pressure

Sensor

Out Of

Range

Low

• Sensor voltage

< 0.50 V

 

• 0.1 s
• Contin‐

uous

• 2

DCY

– Check the Sec‐

ondary Air Sys‐

tem - GX24- .

Refer to

⇒ “3.6.30  Sec‐

ondary Air Injec‐

tion Sensor 1

G609 / Secon‐

dary Air Injection

Solenoid Valve

N112 , Check‐

ing”, page 521

 .

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

189

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitoring

Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

P2433

AIR Sys‐

tem Air

Flow/

Pres‐

sure

Sensor

Circuit

High

Bank 1

Secon‐

dary Air

System

Pressure

Sensor

Out Of

Range

High

• Sensor voltage

> 4.50 V

 

• 0.1 s
• Contin‐

uous

• 2

DCY

– Check the Sec‐

ondary Air Sys‐

tem - GX24- .

Refer to

⇒ “3.6.30  Sec‐

ondary Air Injec‐

tion Sensor 1

G609 / Secon‐

dary Air Injection

Solenoid Valve

N112 , Check‐

ing”, page 521

 .

P2440

AIR Sys‐

tem

Switch‐

ing

Valve

Stuck

Open

Bank 1

Secon‐

dary Air

Valve

Function‐

al Check

• Ratio relative

pressure

phase 1 and

relative pres‐

sure phase 2 >

1.34 [-]

• General:
• Secondary air

pump active

• Catalyst heating

active

• Secondary air in‐

jection active

• MAF <= 140.0 kg/

h

• ECT @ cylinder

head >= -10; <

115° C

• IAT @ manifold

>= -10; < 100° C

• Modeled catalyst

temperature <

700° C

• Relative baro‐

metric pressure >

0.73 [-]

• And
• Diff. barometric

pressure vs.

manifold pres‐

sure > n.a. kPa

• Or
• Engine n.a.

• 0.1 s
• Once /

DCY

• 2

DCY

– Check the Sec‐

ondary Air Sys‐

tem - GX24- .

Refer to

⇒ “3.6.30  Sec‐

ondary Air Injec‐

tion Sensor 1

G609 / Secon‐

dary Air Injection

Solenoid Valve

N112 , Check‐

ing”, page 521

 .

P2556

Engine

Coolant

Level

Sensor/

Switch

Circuit

Rotary

Coolant

Valve

Commu‐

nication

Check

• Communica‐

tion signal fail‐

ure

 

• 0.5 s
• Contin‐

uous

• 2

DCY

– Check the En‐

gine Tempera‐

ture Control Ac‐

tuator - N493- .

Refer to

⇒ “3.6.12  En‐

gine Tempera‐

ture Control Ac‐

tuator N493 ,

Checking”, page

481

 .

Rotary

Coolant

Valve

Signal

Check

• Sensor signal

failure

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

190

     Rep. Gr. ST - Generic Scan Tool

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitoring

Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

P2557

Engine

Coolant

Level

Sensor/

Switch

Circuit

Range/

Per‐

for‐

mance

Rotary

Coolant

Valve

Check‐

sum Veri‐

fication

• Checksum sig‐

nal failure

 

• 0.5 s
• Contin‐

uous

• 2

DCY

– Check the En‐

gine Tempera‐

ture Control Ac‐

tuator - N493- .

Refer to

⇒ “3.6.12  En‐

gine Tempera‐

ture Control Ac‐

tuator N493 ,

Checking”, page

481

 .

P2564

Turbo‐

charger

Boost

Control

Position

Sensor

"A" Cir‐

cuit Low

Turbo‐

charger

Boost

Control

Position

Sensor

Short To

Ground /

Open Cir‐

cuit

• Turbocharger

boost control

position sensor

voltage < 0.20

V

 

• 0.5 s
• Contin‐

uous

• 2

DCY

– Check the

Charge Pres‐

sure Actuator -

V465- / Charge

Pressure Actua‐

tor Position Sen‐

sor - G581- . Re‐

fer to

⇒ “3.6.7  Charge

Pressure Actua‐

tor V465 /

Charge Pres‐

sure Actuator

Position Sensor

G581 , Check‐

ing”, page 470

 .

.

P2565

Turbo‐

charger

Boost

Control

Position

Sensor

"A" Cir‐

cuit High

Turbo‐

charger

Boost

Control

Position

Sensor

Short To

Battery

Voltage

• Turbocharger

boost control

position sensor

voltage > 4.80

V

 

• 0.5 s
• Contin‐

uous

• 2

DCY

– Check the

Charge Pres‐

sure Actuator -

V465- / Charge

Pressure Actua‐

tor Position Sen‐

sor - G581- . Re‐

fer to

⇒ “3.6.7  Charge

Pressure Actua‐

tor V465 /

Charge Pres‐

sure Actuator

Position Sensor

G581 , Check‐

ing”, page 470

 .

P2610

ECM/

PCM

Engine

Off Tim‐

er Per‐

for‐

mance

Engine

Off Time

ECM In‐

ternal

Timer

Check

• Case 1:
• ECM internal

timer initializa‐

tion failure

• Case 2:
• ECM internal

timer commu‐

nication failure

• ECM internal tim‐

er reset not active

• SPI communica‐

tion failure after

reset not detec‐

ted

• 1.3 s
• Contin‐

uous

• 2

DCY

– Check the En‐

gine Control

Module - J623- .

Refer to appro‐

priate repair

manual.

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

191

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitoring

Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

Engine

Off Time

ECM Ra‐

tionality

Check

• Difference be‐

tween engine-

off-time and

ECM keep

alive-time >=

12.0 s

• Or
• Engine off time

(hardware val‐

ues) not valid

• Choice of:
• ECM keep alive-

time active

• ECU internal tim‐

er reset not acti‐

vated

• Time delay >= 1.0

s

• Or
• Delay timer for

acquisition of en‐

gine-off-time

(hardware val‐

ues) > 1.0 s

• Or
• Result of low

power check initi‐

alization > 0.0; <

9.0 [-]

• 0.01 s
• Once /

DCY

• Difference be‐

tween engine-

off-time and

ECM keep

alive-time >=

12.0 s

• Time after engine

stop < 86,400.0 s

• Engine off time

plausible

• Engine off time

monitoring not

finished

• Engine off time

signal valid time

after reset < 2.0 s

• And
• Case 1:
• Engine off timer

n.a.

• Or
• Engine off time

n.a.

• Case 2:
• ECM internal tim‐

er active

• SPI communica‐

tion failure after

reset detected

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

192

     Rep. Gr. ST - Generic Scan Tool