Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 106

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

Injection

Valves

Short To

Battery

Plus (Low

Side)

• injector driver

voltage > 2.0 V

• And
• Injector driver

low side switch

current (hard‐

ware values) >

25 A

P0270

Cylinder

4 Injec‐

tor "A"

Circuit

Low

Injection

Valves

Short To

Ground

• Fault pattern

for short to

ground via

powerstage di‐

agnosis detec‐

ted

• Injector voltage

< 2.0 V

• Engine stop not

active

• 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

 .

Injection

Valves

Short To

Ground

(High

Side)

• Injector driver

voltage < 2 V

• And
• Injector driver

high side

switch current

(hardware val‐

ues) > 25 A

• Engine running
• ECT @ cylinder

head >= -30° C

• Engine speed <

7,000 RPM

• Injection time >=

0.0 s

• 720°

CRK

• Contin‐

uous

Injection

Valves

Short To

Ground

(Low

Side)

• Injector driver

voltage < 2 V

• And
• Injector driver

high side

switch current

< 25 A

• And
• Injector driver

low side switch

current (hard‐

ware values) <

25 A

P0271

Cylinder

4 Injec‐

tor "A"

Circuit

High

Injection

Valves

Short To

Battery

Plus

• Fault pattern

for short to Bat‐

tery plus via

powerstage di‐

agnosis detec‐

ted

• Injector voltage

> 2.0 V

• Engine stop not

active

• 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    

97

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

Injection

Valves

Short To

Battery

Plus

(High

Side)

• injector driver

voltage > 2.0 V

• And
• Injector driver

high side

switch current

(hardware val‐

ues) > 25 A

• Engine running
• ECT @ cylinder

head >= -30° C

• Engine speed <

7,000 RPM

• Injection time >=

0.0 s

• 720°

CRK

• Contin‐

uous

Injection

Valves

Short To

Battery

Plus (Low

Side)

• injector driver

voltage > 2.0 V

• And
• Injector driver

low side switch

current (hard‐

ware values) >

25 A

P0300

Ran‐

dom/

Multiple

Cylinder

Misfire

Detec‐

ted

Misfire

Crank‐

shaft

Speed

Fluctua‐

tion (Mul‐

tiple)

• Number of cyl‐

inders with

emission

threshold mis‐

fire within 4000

revolutions ≥

2.00 [-]

• Or
• Number of cyl‐

inders with

emission

threshold mis‐

fire within 1000

revolutions ≥

2.00 [-]

• Emission thresh‐

old misfire detec‐

ted

• 0 s
• Contin‐

uous

• 2

DCY

– Check the spark

plugs visually.

– Check the intake

system visually

for leaks.

– Check the fuel

pressure. Refer

to appropriate

repair manual.

– Check the Fuel

Injectors . Refer

to

⇒ “3.6.15  Fuel

Injectors ,

Checking”, page

487

 .

– Check the Igni‐

tion Coils with

Power Output

Stage . Refer to

⇒ “3.6.20  Igni‐

tion Coils with

Power Output

Stage , Check‐

ing”, page 499

 .

• Number of cyl‐

inders with cat‐

alyst damaging

misfire ≥ 2.00

[-]

• Catalyst damag‐

ing misfire detec‐

ted

• Im‐

me‐

diate

P0301

Cylinder

1 Misfire

Detec‐

ted

Misfire

Crank‐

shaft

Speed

Fluctua‐

tion (Sin‐

gle Or

Multiple)

• Catalyst dam‐

age misfire For

AT:

• Catalyst dam‐

aging misfire

rate > 1.8 –

20.3 %

• For DCT:
• Catalyst dam‐

aging misfire

rate > 1.8 –

20.3 %

• Initial engine

speed > 550 RPM

• Engine speed >

550 RPM

• Engine speed <

6,848 for DCT:

• Barometric pres‐

sure >= 60.01

kPa

• Time after engine

start > 0.0 s

• 0.1 s
• Once /

DCY

• 2

DCY

– Check the spark

plugs visually.

– Check the intake

system visually

for leaks.

– Check the fuel

pressure. Refer

to appropriate

repair manual.

– Check the Fuel

Injectors . Refer

to

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

98

     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

P0302

Cylinder

2 Misfire

Detec‐

ted

Misfire

Crank‐

shaft

Speed

Fluctua‐

tion (Sin‐

gle Or

Multiple)

• For MT:
• Catalyst dam‐

aging misfire

rate > 1.8 –

20.3 %

• Emission

threshold mis‐

fire within 1000

rev For AT:

• Emission

threshold mis‐

fire rate (MR) >

2.3 %

• For DCT:
• Emission

threshold mis‐

fire rate (MR) >

2.3 %

• For MT:
• Emission

threshold mis‐

fire rate (MR) >

2.3 %

• Emission

threshold mis‐

fire within 4000

rev For AT:

• Emission

threshold mis‐

fire rate (MR) >

2.3 %

• For DCT:
• Emission

threshold mis‐

fire rate (MR) >

2.3 %

• For MT:
• Emission

threshold mis‐

fire rate (MR) >

2.3 %

• And depending

on transmission

mode for MT:

• Engine load >

5.05 – 47.0 %

• For AT:
• Engine load >

4.68 – 41.67 %

• For DCT:
• Engine load >

4.18 – 36.0 %

• And
• Depending on

ECT @ cylinder

head @ start

• ECT @ cylinder

head @ start <=

-48° C

• And
• ECT @ cylinder

head >= 20° C

• Or
• ECT @ cylinder

head @ engine

start > -48° C

• And
• Fuel cut off not

active

• Or
• Single fuel cut off

not active

• Or
• Number of fade

out cylinders <

2.00 [-]

• And
• Dynamic mani‐

fold air pressure

<= n.a. kPa

• And
• Dynamic throttle

position <= n.a.°

TPS/s

• And
• Engine n.a.
• Engine speed <

n.a. RPM

⇒ “3.6.15  Fuel

Injectors ,

Checking”, page

487

 .

– Check the Igni‐

tion Coils with

Power Output

Stage . Refer to

⇒ “3.6.20  Igni‐

tion Coils with

Power Output

Stage , Check‐

ing”, page 499

 .

P0303

inder 3

Misfire

Detec‐

ted

Misfire

Crank‐

shaft

Speed

Fluctua‐

tion (Sin‐

gle Or

Multiple)

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

99

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

P0304

Cylinder

4 Misfire

Detec‐

ted

Misfire

Crank‐

shaft

Speed

Fluctua‐

tion (Sin‐

gle Or

Multiple)

• Dynamic of igni‐

tion angle <= n.a.

° CRK

• Or
• Dynamic of igni‐

tion angle <= n.a.

° CRK

• And
• Rough road not

detected

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

100

     Rep. Gr. ST - Generic Scan Tool