Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 102

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

P0172

System

Too

Rich

Bank 1

Fuel Sys‐

tem, Sys‐

tem Too

Rich

• Lambda con‐

troller output <

-35.0 %

• Lambda control

closed loop

• Barometric pres‐

sure > 73.0 kPa

• Mass air flow >

60.0 mg/rev

• Engine speed >

576 RPM

• ECT @ cylinder

head > 20° C

• IAT at intake

manifold > -48° C

• AAT > -48° C
• Oil dilution not

detected

• 60.0 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

 .

– Check the Oxy‐

gen Sensor 1 Af‐

ter Catalytic

Converter -

GX7- . Refer to

⇒ “3.6.27  Oxy‐

gen Sensor 1 Af‐

ter Catalytic

Converter GX7 ,

Checking”, page

513

 .

– Check the Fuel

Injectors . Refer

to

⇒ “3.6.15  Fuel

Injectors ,

Checking”, page

487

 .

– Check the Evap‐

orative Emission

System for con‐

tamination. Re‐

fer to appropri‐

ate repair man‐

ual.

P0190

Fuel

Pres‐

sure

Regula‐

tor 1

Control

Circuit/

Open

Fuel Sys‐

tem Pres‐

sure Sen‐

sor High

Pressure

Side

Short To

Battery /

Open Cir‐

cuit

• High fuel pres‐

sure sensor

voltage > 4.80

V

 

• 2.0 s
• Contin‐

uous

• 2

DCY

– Check the Fuel

Pressure Sen‐

sor - G247- . Re‐

fer to

⇒ “3.6.17  Fuel

Pressure Sen‐

sor G247 ,

Checking”, page

491

 .

– Check the fuel

pressure. Refer

to appropriate

repair manual.

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

81

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

P0191

Fuel Rail

Pres‐

sure

Sensor

Circuit

Range/

Per‐

for‐

mance

Bank 1

Fuel Rail

High

Pressure

Side Out

Of Range

• Fuel pressure >

29,300.0 kPa

• Engine running
• Engine speed <

6,816 RPM

• Time after engine

start > 10.0 s

• 5.0 s
• Contin‐

uous

• 2

DCY

– Check the Fuel

Pressure Sen‐

sor - G247- . Re‐

fer to

⇒ “3.6.17  Fuel

Pressure Sen‐

sor G247 ,

Checking”, page

491

 .

– Check the fuel

pressure. Refer

to appropriate

repair manual.

P0192

Fuel Rail

Pres‐

sure

Sensor

Circuit

Low

Bank 1

Fuel Sys‐

tem Pres‐

sure Sen‐

sor High

Pressure

Side

Short To

Ground

• High fuel pres‐

sure sensor

voltage < 0.20

V

 

• 2.0 s
• Contin‐

uous

• 2

DCY

– Check the Fuel

Pressure Sen‐

sor - G247- . Re‐

fer to

⇒ “3.6.17  Fuel

Pressure Sen‐

sor G247 ,

Checking”, page

491

 .

– Check the fuel

pressure. Refer

to appropriate

repair manual.

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

82

     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

P0201

Cylinder

1 Injec‐

tor "A"

Circuit

Injection

Valves

Electrical

Error

• Indeterminate

fault pattern via

power stage di‐

agnosis detec‐

ted and injector

low side volt‐

age < 2.0 V

• Injector low

side switch cur‐

rent > 25.0 A

• Or
• Injector low

side voltage <

2.0 V

• Injector high

side switch cur‐

rent > 25.0 A

• Or
• Injector low

side voltage <

2.0 V

• Injector low

side switch cur‐

rent (hardware

values) > 9.0 –

14.0 A

• Or
• Injector voltage

< 2.0 V

• Injector low

side switch cur‐

rent > 25.0 A

• Or
• Injector voltage

< 2.0 V

• Injector low

side switch cur‐

rent (hardware

values) > 9.0 –

14.0 A

• Or
• Injector load re‐

sistance to

ground and

battery > 20.0

Ohm

• Injector low

side switch cur‐

rent > 25.0 A

• 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    

83

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

• Injector load re‐

sistance to

ground and

battery > 20.0

Ohm

• Injector high

side switch cur‐

rent > 25.0 A

• Or
• Power stage

temperature >

150° C

• Or
• Fault pattern

for short circuit

via power

stage diagno‐

sis detected

• Injector current

rise time during

peak phase <

0.064 ms

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

84

     Rep. Gr. ST - Generic Scan Tool