Content .. 113 114 115 116 ..

Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 115

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

Cold Idle

Controller

Function

Monitor‐

ing: Out

Of Range

Low

• Negative en‐

gine speed de‐

viation from set

point > 100

RPM

• Integrated I-

part of idle

speed control‐

ler n.a.

• Gear switch not

active

• Vehicle speed = 0

mph

• For time >= 0.0 s
• Driver request

not active

• Throttle actuator

commanded on

• Evap purge flow <

4.0 kg/h

• Torque safety

limitation not ac‐

tive

• Clutch switch n.a.
• Barometric pres‐

sure > 69.99 kPa

• Catalyst heating

not active

• ECT @ cylinder

head > -48° C

• Time after engine

start > 0.0 s

• Or
• Set point change

n.a.

• For time n.a.

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing

133

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

P050B

Cold

Start Ig‐

nition

Timing

Per‐

for‐

mance

Ignition

Control

Ignition

Timing

Monitor

• Ratio between

ignition angle

efficiency inte‐

gral and time at

idle speed >

0.20 [-]

• Engine idle

speed time @ idle

speed > 5.0 s

• Ignition angle set‐

point <= 0.85 [-]

• Modeled pres‐

sure quotient <=

1.0 [-]

• Vehicle speed =

0.00 miles

• And
• Diff. air mass set

point vs. filtered

air mass set point

for load dynamic

detection <

99,999.00 mg/rev

• For time >= 0.0 s
• And
• Diff. engine

speed vs. filtered

engine speed for

engine speed dy‐

namic detection <

8,160 RPM

• For time >= 0.0 s

• 0.1 s
• Once /

DCY

• 2

DCY

– Check for any

Engine Speed

sensor or Igni‐

tion Coil faults

and diagnose

them first.

– Check the En‐

gine Speed Sen‐

sor - G28- . Re‐

fer to

– Check the Igni‐

tion Coils with

Power Output

Stage . Refer to

– If NO other co‐

des are set,

check the ECM.

Refer to appro‐

priate repair

manual.

– Check the En‐

gine Control

Module - J623- .

Refer to appro‐

priate repair

manual.

P053F

Cold

Start

Fuel

Pres‐

sure

Per‐

for‐

mance

Bank 2

Fuel Sys‐

tem Out

Of Range

High

• Deviation be‐

tween refer‐

ence and ac‐

tual fuel pres‐

sure <

-2,000.10 kPa

• For time >= 3.0

• Engine speed >

608 RPM

• Catalyst heating

active

• ECT @ cylinder

head > -48° C

• Time after engine

start > 7.0 s

• Mass fuel flow set

point >= 5.0 mg/

rev

• For time >= 3.0 s
• And
• Mass fuel flow >

1.99 mg/rev

• For time >= 5.0 s
• And

• 5.0 s
• Once /

DCY

• 2

DCY

– Check the fuel

pressure. Refer

to appropriate

repair manual.

– Check the Fuel

Pump Control

Module - J538- /

Fuel Delivery

Unit - GX1- . Re‐

fer to

– Check the Fuel

Pressure Regu‐

lator Valve -

N276- . Refer to

⇒ “3.6.16 Fuel

Pressure Regu‐

lator Valve

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

134

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

Fuel Sys‐

tem Out

Of Range

Low

• Deviation be‐

tween refer‐

ence and ac‐

tual fuel pres‐

sure > 2,000.10

kPa

• For time >= 3.0

• Fuel pump deliv‐

ery range < 72 –

145 mg/rev

• Gradient mass

fuel flow per

stroke -1389.0 –

1,389.0 mg/rev

• For time >= 5.0 s

N276 , Check‐

ing”, page 489

– Check the Fuel

Pressure Sen‐

sor - G247- . Re‐

fer to

P0601

Internal

Control

Module

Memory

Check‐

sum Er‐

ror

ECM:

Check‐

sum Veri‐

fication

• Calibration

checksum in‐

correct

• 1 s
• Contin‐

uous

• 2

DCY

– Check the En‐

gine Control

Module - J623- .

Refer to appro‐

priate repair

manual.

• Software

checksum in‐

correct

P0603

Internal

Control

Module

Keep

Alive

Memory

(KAM)

Error

Injection

Valves

Supply

Voltage

Internal

Hardware

Check

• Hardware vs.

software ver‐

sion check dur‐

ing initialization

failure

• 4.9 s
• Once /

DCY

• 2

DCY

– Check the En‐

gine Control

Module - J623- .

Refer to appro‐

priate repair

manual.

• Calibration dur‐

ing initialization

failure

• Hardware dur‐

ing initialization

failure

• Time reference

from micro con‐

troller during in‐

itialization fail‐

ure

• Time reference

from micro con‐

troller during in‐

itialization

missing

• 2,880.0°

CRK

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing

135

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

• Communica‐

tion between

micro controller

and SDI-Driver

power stage

failed

• 4,320.0°

CRK

• Communica‐

tion between

micro controller

and SDI-Driver

power stage

failure

• 4.9 s
• Once /

DCY

• 2,880.0°

CRK

ECM:

Commu‐

nication

Check

• Device 1:
• SPI communi‐

cation with AT‐

IC failure

• 2.0 s
• Contin‐

uous

• Device 2:
• SPI communi‐

cation with AT‐

IC failure

• SPI communi‐

cation with AT‐

IC failure

P0606

Control

Module

Pro‐

cessor

Baromet‐

ric Pres‐

sure Sen‐

sor Ra‐

tionality

Check By

Engine

Off

• Diff. barometric

pressure vs.

upstream throt‐

tle pressure >=

8.50 kPa

• Or
• Diff. barometric

pressure vs. in‐

take manifold

pressure >=

8.50 kPa

• Case 1:
• Engine stop dur‐

ing DCY

• Engine stop ac‐

tive

• Vehicle speed < 1

mph

• Delay after en‐

gine stop > 5.0 s

• For time >= 10.0 s
• Case 2:
• Engine stop at

start of DCY

• Engine stopped
• Vehicle speed < 1

mph

• Delay after en‐

gine stop >= 5.0 s

• 3.0 s
• Contin‐

uous

• 2

DCY

– Using scan tool,

monitor the

Barometric

Pressure Sen‐

sor, located

within the En‐

gine Control

Module - J623- .

– Check the En‐

gine Control

Module - J623- .

Refer to appro‐

priate repair

manual.

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

136

Rep. Gr. ST - Generic Scan Tool

Content .. 113 114 115 116 ..