Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 153
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
• Fast detection:
• Ratio between
knock sensor
and knock
threshold in
main knock
window > 1.50
– 2.50 [-]
• For time >=
540.0° CRK
• Or
• Ratio between
knock sensor
and noise level
in pre knock
window > 2.75
– 4.50 [-]
• For time >=
360.0° CRK
• Case 1:
• ratio between
filtered engine
roughness and
misfire detec‐
tion threshold
<= 0.41 – 0.59
[-]
• Or
• Case 2:
• Ratio between
normalized en‐
gine roughness
and misfire de‐
tection thresh‐
old <= n.a. [-]
• Or
• Case 3:
• Ratio between
filtered engine
roughness and
misfire detec‐
tion threshold
<= n.a. [-]
• Or
• Ratio between
normalized en‐
gine roughness
and misfire de‐
tection thresh‐
old <= n.a. [-]
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
285
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
P0410
AIR Sys‐
tem "A"
Secon‐
dary Air
System
Function‐
al Check
• Diff. pressure
value after sec‐
ondary air in‐
jection vs.
pressure value
before secon‐
dary air activa‐
tion > 5.0 kPa
• General:
• Secondary air
pump ready
• Catalyst heating
active
• Secondary air in‐
jection finished
• MAF <= 140.0 kg/
h
• ECT @ cylinder
head >= -10; <
115° C
• IAT @ manifold
>= -10; < 100° C
• Modeled catalyst
temperature <
900° C
• Relative baro‐
metric pressure >
0.73 [-]
• Diff. barometric
pressure vs.
manifold pres‐
sure > n.a. kPa
• 0.1 s
• Once /
DCY
• 2
DCY
– Check the Sec‐
ondary Air Sys‐
tem - GX24- .
Refer to
– Check the Sec‐
ondary Air Injec‐
tion Pump Motor
- V101- / Secon‐
dary Air Injection
Pump Relay -
J299- . Refer to
P0413
AIR Sys‐
tem
Switch‐
ing
Valve
"A" Cir‐
cuit
Open
Secon‐
dary Air
Valve
Open Cir‐
cuit
• Output voltage,
lower range >=
1.92 – 2.21 V
• Output voltage,
upper range
(hardware val‐
ues) <= 2.85 –
3.25 V
• Engine running
• Actuator com‐
manded off
• 2.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Sec‐
ondary Air Sys‐
tem - GX24- .
Refer to
P0414
AIR Sys‐
tem
Switch‐
ing
Valve
"A" Cir‐
cuit
Shorted
Secon‐
dary Air
Valve
Short To
Ground
• Output voltage
(hardware val‐
ues) < 1.92 –
2.21 V
• Engine running
• Actuator com‐
manded off
• 2.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Sec‐
ondary Air Sys‐
tem - GX24- .
Refer to
Secon‐
dary Air
Valve
Short To
Battery
Plus
• Actuator tem‐
perature > 160
– 200° C
• Or
• Output current
(hardware val‐
ues) driver
stage internal
value
• Engine running
• Actuator com‐
manded on
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
286
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
P0418
AIR Sys‐
tem
Control
"A" Cir‐
cuit
Secon‐
dary Air
Injection
Pump
Relay
Open Cir‐
cuit
• Output voltage,
lower range
1.92 – 2.21 V
• Output voltage,
upper range
(hardware val‐
ues) <= 2.85 –
3.25 V
• Engine running
• Actuator com‐
manded off
• 2.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Sec‐
ondary Air Injec‐
tion Pump Motor
- V101- / Secon‐
dary Air Injection
Pump Relay -
J299- . Refer to
.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
287
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
P0420
Catalyst
System
Efficien‐
cy Be‐
low
Thresh‐
old Bank
1
NMOG /
NMHC
Conver‐
sion Ca‐
pability
• Catalyst effi‐
ciency > 1.00
[-]
• Catalyst monitor
lambda modula‐
tion request ac‐
tive
• General condi‐
tions:
• Vehicle speed >=
19 mph
• BARO >= 0.00
kPa
• Catalyst over‐
heating protec‐
tion not active
• Turbine over‐
heating protec‐
tion not active
• O2S rear ready
• O2S front ready
• ECT @ cylinder
head > 60° C
• IAT@ manifold >
-48° C
• modeled catalyst
temperature @
start of diagnosis
> 510° C
• Modeled catalyst
temperature @
during diagnosis
470 – 830° C
• Difference be‐
tween dynamic
and stationary
catalyst tempera‐
ture -150 – 150° C
• Integrated MAF,
catalyst temp.
conditions fulfil‐
led >= 0.0 g
• Modeled EGT @
O2S rear <= 900°
C
• MAF per cylinder
22.50 – 150.00
kg/h
• Air mass, lower
range >= 0.00
mg/rev
• Air mass, upper
range <= 650.00
– 1,389.00 mg/
rev
• 60.0 –
70.0 s
• Once /
DCY
• 1
DCY
– Check the Three
Way Catalytic
Converter. Re‐
fer to appropri‐
ate repair man‐
ual.
– Check the Oxy‐
gen Sensor 1 Af‐
ter Catalytic
Converter -
GX7- . Refer to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
288
Rep. Gr. ST - Generic Scan Tool
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