Volkswagen Golf / Golf GTI / Golf Variant. Service manual - part 145

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitor‐

ing Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

P0204

Cylinder

4 Injec‐

tor "A"

Circuit

Injection

Valves

Electrical

Error

• Indeterminate

fault pattern via

power stage di‐

agnosis detec‐

ted

• And
• Injector low

side voltage <

2.0 V

• Injector low

side switch cur‐

rent driver

stage internal

value

• Or
• Injector low

side voltage <

2.0 V

• Injector high

side switch cur‐

rent driver

stage internal

value

• Or
• Injector low

side voltage <

2.0 V

• Injector low

side switch cur‐

rent (hardware

values) driver

stage internal

value

• Or
• Injector voltage

< 2.0 V

• Injector low

side switch cur‐

rent driver

stage internal

value

• Or
• Injector voltage

< 2.0 V

• Injector low

side switch cur‐

rent (hardware

values) driver

stage internal

value

• Or

• Engine running
• ECT @ cylinder

head >= -30° C

• Engine speed <

7,000 RPM

• Injection time >=

0.0 s

• 8,640.0°

CRK

• Contin‐

uous

• 2

DCY

– Check the Fuel

Injectors . Refer

to

⇒ “3.6.15  Fuel

Injectors ,

Checking”, page

487

 .

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

253

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitor‐

ing Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

• Injector load re‐

sistance to

ground and

battery > 20.0

Ohm

• Injector low

side switch cur‐

rent driver

stage internal

value

• Or
• Injector load re‐

sistance to

ground and

battery > 20.0

Ohm

• Injector high

side switch cur‐

rent driver

stage internal

value

• Or
• Power stage

temperature >

150° C

Injection

Valves

Electrical

Error

Open Cir‐

cuit

• Fault pattern

for open circuit

via power

stage diagno‐

sis detected

• Injector low

side voltage <

2.0 V

• Engine stop not

active

• ECT @ cylinder

head >= -30° C

• Engine speed <

7,000 RPM

• Injection time >=

0.0 s

Injection

Valves

Electrical

Error

Short Cir‐

cuit

• Fault pattern

for short circuit

via power

stage diagno‐

sis detected

• Injector current

rise time during

peak phase <

0.064 ms

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

254

     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

Monitor‐

ing Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

P0221

Throttle/

Pedal

Position

Sensor/

Switch

"B" Cir‐

cuit

Range/

Per‐

for‐

mance

Throttle

Position

Sensor 2

Rationali‐

ty Check

• Normalized dif‐

ference be‐

tween meas‐

ured and mod‐

eled value of

mass air flow

from TPS 2 >=

1.0 [-]

• Or
• Relative mass

air flow integral

from TPS 2 >

60.00 -

• Throttle adapta‐

tion (@ initial start

or after detection

of throttle ex‐

change or check‐

sum error) not ac‐

tive

• 0.01 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Throt‐

tle Valve Control

Module - GX3- .

Refer to

⇒ “3.6.31  Throt‐

tle Valve Control

Module GX3 ,

Checking”, page

524

 .

P0222

Throttle/

Pedal

Position

Sensor/

Switch

"B" Cir‐

cuit Low

Throttle

Position

Sensor 2

Short To

Ground /

Open Cir‐

cuit

• Throttle posi‐

tion sensor 2

voltage < 0.15

V

 

• 0.2 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Throt‐

tle Valve Control

Module - GX3- .

Refer to

⇒ “3.6.31  Throt‐

tle Valve Control

Module GX3 ,

Checking”, page

524

 .

P0223

Throttle/

Pedal

Position

Sensor/

Switch

"B" Cir‐

cuit High

Throttle

Position

Sensor 2

Short To

Battery

Voltage

• Throttle posi‐

tion sensor 2

voltage > 4.85

V

 

• 0.2 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Throt‐

tle Valve Control

Module - GX3- .

Refer to

⇒ “3.6.31  Throt‐

tle Valve Control

Module GX3 ,

Checking”, page

524

 .

P0230

Fuel

Pump

Circuit

COM:

Fuel

Pump

Control

Module

(FPCM)

commu‐

nication

with

FPCM

• FP sensor:

short to ground

failure feed‐

back >= 2.00 [-]

• Engine on

• 2.0 s
• Con‐

tinu‐

ous

• 2

DCY

 

• FP sensor:

open circuit

failure feed‐

back >= 2.00 [-]

• 2.2 s
• Con‐

tinu‐

ous

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

255

DTC /

Descrip‐

tion

Monitor

Strategy

Descrip‐

tion

Malfunction Crite‐

ria and Threshold

Value

Secondary Parame‐

ters with Enable

Conditions

Monitor‐

ing Time

Length

MIL Il‐

lum.

Component Diag‐

nostic Procedure

P0236

Turbo‐

charger/

Super‐

charger

Boost

Sensor

"A" Cir‐

cuit

Range/

Per‐

for‐

mance

Turbo‐

charger

Boost

Pressure

Sensor

Rationali‐

ty Check

• Diff. barometric

pressure vs.

upstream throt‐

tle pressure >=

8.50 kPa

• Diff. upstream

throttle pres‐

sure vs. intake

manifold pres‐

sure >= 8.50

kPa

• Or
• Diff. barometric

pressure vs. in‐

take manifold

pressure < 8.50

kPa

• Case 1:
• Engine stop at

start of DCY

• Engine stopped
• Vehicle speed < 1

mph

• Delay after en‐

gine stop >= 5.0 s

• Case 2:
• Engine stop dur‐

ing DCY

• Engine stopped
• Vehicle speed < 1

mph

• Delay after en‐

gine stop >= 5.0 s

• For time >= 10.0 s

• 3.0 s
• Once /

DCY

• 2

DCY

– Check the

Charge Air Pres‐

sure Sensor -

G31- . Refer to

⇒ “3.6.6  Charge

Air Pressure

Sensor G31 ,

Checking”, page

468

 .

P0237

Turbo‐

charger/

Super‐

charger

Boost

Sensor

"A" Cir‐

cuit Low

Turbo‐

charger

Boost

pressure

Sensor

Short To

Ground

• Turbocharger

boost pressure

sensor voltage

< 0.20 V

 

• 0.5 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the

Charge Air Pres‐

sure Sensor -

G31- . Refer to

⇒ “3.6.6  Charge

Air Pressure

Sensor G31 ,

Checking”, page

468

 .

P0238

Turbo‐

charger/

Super‐

charger

Boost

Sensor

"A" Cir‐

cuit High

Turbo‐

charger

Boost

pressure

Sensor

Short To

Battery

Voltage

• Turbocharger

boost pressure

sensor voltage

> 4.80 V

 

• 0.5 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the

Charge Air Pres‐

sure Sensor -

G31- . Refer to

⇒ “3.6.6  Charge

Air Pressure

Sensor G31 ,

Checking”, page

468

 .

P025A

Fuel

Pump

Module

"A" Con‐

trol Cir‐

cuit/

Open

Fuel

Pump

Open Cir‐

cuit

• Signal voltage,

lower range >

1.92 – 2.21 V

• And
• Signal voltage,

upper range

(hardware val‐

ues) < 2.84 –

3.25 V

• Commanded

PWM 9.80 –

92.20 %

• Fuel pump com‐

manded off

• 0.5 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Fuel

Pump Control

Module - J538- /

Fuel Delivery

Unit - GX1- . Re‐

fer to

⇒ “3.6.18  Fuel

Pump Control

Module J538 /

Fuel Delivery

Unit GX1 ,

Checking”, page

493

 .

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

256

     Rep. Gr. ST - Generic Scan Tool