Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 123

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

P2196

O2 Sen‐

sor Sig‐

nal

Biased/

Stuck

Rich

Bank 1

Sensor

1

Oxygen

Sensors

Front Ra‐

tionality

Check

• Plausibility

check up‐

stream and

downstream

oxygen sensor

signal:

• Lambda value

< 0.85 [-]

• And
• O2S signal rear

>= 0.25 V

• Modeled exhaust

gas temp 450 -

850° C

• Delta engine load

< 35%

• Exhaust. gas

mass flow 14 –

300 kg/h

• Lambda control,

2nd lambda con‐

trol, closed loop

• O2S front, rear

and heaters

ready - no fault

• Fuel cutoff, cata‐

lyst heating, SAI -

not active

• 1st lambda con‐

trol loop not at

min or max

• 2nd lambda con‐

trol loop active

• 117.0 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

 .

P219C

Cylinder

1 Air-

Fuel Ra‐

tio Im‐

balance

Air Fuel

Imbal‐

ance

Monitor‐

ing Out

Of Range

High

• Cylinder 1:
• Weighted

adaptive value

> 15.0 %

• Modeled catalyst

temperature @

start <= 900° C

• Lambda set value

0.97 – 1.03 [-]

• Catalyst heating

not active

• Engine rough‐

ness signal valid

• Cylinder shut off

not active

• AAT >= -48° C
• Barometric pres‐

sure >= 73.0 kPa

• 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

• 90.0 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

3. Diagnosis and Testing    

165

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

Air Fuel

Imbal‐

ance

Monitor‐

ing Out

Of Range

Low

• Cylinder 1:
• Weighted

adaptive value

< -15.0 %

• 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

• Fuel cut off not

active

• Segment adapta‐

tion finished

• Catalyst damag‐

ing misfire not de‐

tected

• Emission thresh‐

old misfire not de‐

tected

• No gear switch

for segments >=

90.00 [-]

• Segments after

start > 0.00 [-]

• Time after engine

start > 0.0 [s]

• Rough road n.a.
• And 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

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

166

     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

• 8th gear active
• And
• Integrated MAF

>= 1.0 – 5.0 kg

• Diff. engine

speed vs. dynam‐

ic engine speed <

75 RPM

• Diff. MAF vs. dy‐

namic MAF <

29.99 mg/rev

• ECT @ cylinder

head 60 – 143° C

• Adaptation cycles

<= 3.00 [-]

• And
• Depending on

transmission

type:

• For AT
• Engine speed

1,408 – 3,008

RPM

• For MT
• Engine speed

1,408 – 3,008

RPM

• For DCT
• Engine speed

1,408 – 3,008

RPM

• And
• Mass fuel flow

lower range >=

12.00 mg/rev

• Mass fuel flow

upper range <=

29.99 mg/rev

P219D

Cylinder

2 Air-

Fuel Ra‐

tio Im‐

balance

Air Fuel

Imbal‐

ance

Monitor‐

ing Out

Of Range

High

• Cylinder 2:
• Weighted

adaptive value

> 15.0 %

• Modeled catalyst

temperature @

start <= 900° C

• Lambda set value

0.97 – 1.03 [-]

• Catalyst heating

not active

• Engine rough‐

ness signal valid

• Cylinder shut off

not active

• 90.0 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

3. Diagnosis and Testing    

167

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

Air Fuel

Imbal‐

ance

Monitor‐

ing Out

Of Range

Low

• Cylinder 2:
• Weighted

adaptive value

< -15.0 %

• AAT >= -48° C
• Barometric pres‐

sure >= 73.0 kPa

• 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

• Fuel cut off not

active

• Segment adapta‐

tion finished

• Catalyst damag‐

ing misfire not de‐

tected

• Emission thresh‐

old misfire not de‐

tected

• No gear switch

for segments >=

90.00 [-]

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

168

     Rep. Gr. ST - Generic Scan Tool