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
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
292
Rep. Gr. ST - Generic Scan Tool
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