Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 154

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

• And
• Engine load n.a.

[%]

• Air mass setpoint

n.a. [g/rev]

• Accelerator pedal

value n.a. [%]

• For time n.a. [s]
• And
• Low dynamic

conditions

• Dynamic engine

speed < 50 rpm

• Dynamic air

mass < 50.00 mg/

rev

• Dynamic lambda

controller output

< 20.00 %

• And
• Integrated air

mass after dy‐

namic conditions

are fulfilled > 20.0

g

• Time after a cata‐

lyst purge phase

>= 1.0 s

• O2S rear voltage

@ diagnosis start

>= 0.55 V

• Integrated air

mass >= 0.0 g

• Integrated heat

energy >= 550.00

– 700.00 kJ

• Engine speed

1,088 – 3,008

rpm

• Deviation of

lambda controller

output < 50.00 %

• Proportional part

of secondary fuel

control loop not

calibrated %

• Coasting function

not active

• O2S heater rear

active

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

289

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

• Lambda adapta‐

tion not active

• Valve lift not ac‐

tive

• And
• Depending on

Lambda control:

• Sum of integral

and proportional

part of secondary

fuel control loop

before diagnosis

< 0.10 [-]

• Or
• Sum of integral

and proportional

part of secondary

fuel control loop

during diagnosis

< 0.25 [-]

• Depending on

canister purge:

• Canister load n.a.

[-]

• Evap purge flow

n.a.

• Or
• Canister load cal‐

culation n.a.

• Evap purge flow

n.a.

• Or
• Evap purge valve

n.a.

• Or
• Evap purge valve

n.a.

• Or
• Evap purge n.a.
• Or
• Depending on

canister purge

closing:

• Canister purge

(conditions) n.a.

• Canister purge

valve ( closing

time ) n.a. [s]

• And

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

290

     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

• Choice of:
• Evap purge valve

n.a.

• Or
• Evap purge valve

n.a.

• And
• Modeled air mass

integral > 50.0 g

• Integrated air

mass per cylinder

>= 1.45 – 1.70 kg

• Internal resist‐

ance O2S rear <=

700.00 Ohm

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

291

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

P0441

EVAP

System

Incor‐

rect

Purge

Flow

EVAP

Purge

Valve

Function‐

al Check:

Stuck

Close

• Ratio actual in‐

take manifold

pressure and

modeled set

point intake

manifold pres‐

sure < 0.10 [-]

• ECT @ cylinder

head > 60° C

• Barometric pres‐

sure > 73.0 kPa

• AAT > 5° C
• AAT @ start < 5°

C

• Diff. barometric

pressure vs. fil‐

tered intake

manifold pres‐

sure n.a.

• Diff. barometric

pressure vs. fil‐

tered intake

manifold pres‐

sure > 28.00 kPa

• Ratio MAF @ in‐

take manifold and

MAF max. > 0.07

– 0.10 [-]

• Engine speed

1,180 – 2,800

RPM

• Vehicle speed >=

11 mph

• Diff. engine

speed vs. filtered

engine speed <

90 RPM

• Diff. ratio MAF @

intake manifold

and MAF max vs.

ratio filtered MAF

@ intake mani‐

fold and MAF

max < 0.15 [-]

• Diff. modeled in‐

take manifold

pressure vs. fil‐

tered modeled in‐

take manifold

pressure < 1.50 –

2.50 kPa

• And
• Integrated MAF

since engine start

>= 0.0 – 5,000.0 g

• Lambda control

active

• Lambda control

value -30.00 —

30.00 %

• 8.5 s
• Once /

DCY

• 2

DCY

– Check the EVAP

Canister Purge

Regulator Valve

1 - N80- . Refer

to

⇒ “3.6.13  EVAP

Canister Purge

Regulator Valve

1 N80 , Check‐

ing”, page 484

 .

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

292

     Rep. Gr. ST - Generic Scan Tool