Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 168

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

P2195

O2 Sen‐

sor Sig‐

nal

Biased/

Stuck

Lean

Bank 1

Sensor

1

Oxygen

Sensors

Front Ra‐

tionality

Check

• Plausibility sig‐

nal check O2S

front and O2S

rear:

• Lambda value

> 1.15 [-]

• And
• O2S signal rear

>= 0.91 [V]

• O2S front ready
• O2S rear ready
• ECT @ cylinder

head >= -48° C

• MAF > 0.0; <

2,047.0 kg/h

• Catalyst purge

not active

• Integrated MAF

after end of cata‐

lyst purge 10.0 g

• Engine speed > 0

RPM

• Modeled EGT @

O2S front > -273;

< 850° C

• Integrated MAF >

40.0 g

• Dynamic lambda

controller output

< 3.0 %

• Dynamic MAF <

0.05 g/rev

• Dynamic engine

speed < 200 RPM

• And
• Second control

loop active:

• MAF 0.06 – 0.75

g/rev

• Engine speed

576 – 4,512 RPM

• 67.5 s
• Con‐

tinu‐

ous

• 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

 .

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

345

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

P2196

O2 Sen‐

sor Sig‐

nal

Biased/

Stuck

Rich

Bank 1

Sensor

1

Oxygen

Sensors

Front Ra‐

tionality

Check

• Plausibility sig‐

nal check O2S

front and O2S

rear:

• Lambda value

< 0.85 [-]

• And
• O2S signal rear

>= 0.17 V

• O2S front ready
• O2S rear ready
• ECT @ cylinder

head >= -48° C

• MAF > 0.00; <

2047.97 kg/h

• Catalyst purge

not active

• Integrated air

mass after end of

catalyst purge

10.0 g

• Engine speed > 0

rpm

• Modeled EGT @

O2S front > -273;

< 850° C

• Injection mode

change (DFI/MFI)

not active

• Integrated air

mass > 40.0 g

• Dynamic lambda

controller output

< 3.00 %

• Dynamic air

mass < 0.05 g/rev

• Dynamic engine

speed < 200 rpm

• And
• Second control

loop active:

• Air mass 0.06 –

0.75 g/rev

• Engine speed

576 – 4,512 rpm

• 67.5 s
• Con‐

tinu‐

ous

• 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

 .

P219C

Cylinder

1 Air-

Fuel Ra‐

tio Im‐

balance

Air Fuel

Imbal‐

ance

Monitor‐

ing Out

Of Range

High

• Cylinder 1:
• Weighted

adaptive value

> 10.0 %

• Fuel pressure

setpoint not cali‐

brated kPa

• Modeled catalyst

temperature @

start <= 850° C

• Lambda set value

0.97 – 1.03 [-]

• Catalyst heating

not active

• Engine rough‐

ness signal valid

• 90 s
• Once /

DCY

• 2

DCY

– Check the Fuel

Injectors . Refer

to

⇒ “3.6.15  Fuel

Injectors ,

Checking”, page

487

 .

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

346

     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

Air Fuel

Imbal‐

ance

Monitor‐

ing Out

Of Range

Low

• Cylinder 1:
• Weighted

adaptive value

< -15.0 %

• Cylinder shut off

not active

• AAT >= -48° C
• Barometric pres‐

sure >= 73.0 kPa

• Min. injection

time not reached

• And
• Choice of:
• Catalyst diagno‐

sis n.a.

• Or
• Catalyst diagno‐

sis n.a.

• Depending on

catalyst diagno‐

sis:

• Canister purge

(conditions) n.a.

• Or
• Evap purge valve

n.a.

• Or
• Evap purge n.a.
• And
• O2S dynamic di‐

agnosis n.a.

• O2S delay diag‐

nosis n.a.

• Lambda control

closed loop

• Catalyst purge

not active

• Canister load <=

2.00 [-]

• Engine no full

load

• Segment adapta‐

tion finished

• Catalyst damag‐

ing misfire not de‐

tected

• Emission thresh‐

old misfire not de‐

tected

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

347

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

• No gear switch

for segments >=

90.00 [-]

• Segments after

start > 0.00 [-]

• Time after engine

start > 0.0 s

• Rough road not

detected

• Min. fuel mass >=

0.00 mg/rev

• Intake manifold

runner flap posi‐

tion change not

active

• Injection mode

change (DFI/MFI)

not equipped

• Valve lift position

change not active

• Depending on

gear:

• 1st gear not ac‐

tive

• 2nd gear not ac‐

tive

• 3rd gear not ac‐

tive

• 4th gear active
• 5th gear active
• 6th gear active
• 7th gear active
• 8th gear not ac‐

tive

• And
• Integrated MAF

>= 1.0 – 12.0 kg

• Diff. engine

speed vs. dynam‐

ic engine speed <

200 RPM

• Diff. MAF vs. dy‐

namic MAF <

29.99 mg/rev

• ECT @ cylinder

head 60 – 143° C

• Adaptation cycles

<= 255 [-]

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

348

     Rep. Gr. ST - Generic Scan Tool