Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 175
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
P2303
Ignition
Coil "B"
Primary
Control
Circuit
Low
Ignition
Coils
Open Cir‐
cuit
• Output voltage
in OFF state,
lower range >=
1.92 – 2.21 V
• Output voltage
in OFF state,
upper range
(hardware val‐
ues) <= 2.85 –
3.25 V
• Engine speed >
512 RPM
• ECT @ cylinder
head > -30° C
• Engine stop not
active
• 1.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Igni‐
tion Coils with
Power Output
Stage . Refer to
.
Ignition
Coils
Short To
Ground
• Output current
in ON state
(hardware val‐
ues) > 50 – 100
mA
Ignition
Coils
Short To
Battery
Plus
• Diagnosis by
inactive low
side: switch in
ATIC:
• Output voltage
in OFF state
(hardware val‐
ues) > 4.95 –
5.285 V
• Engine speed >
512 RPM
• Engine stop not
active
• Actuator com‐
manded off
• Diagnosis by
inactive low
side: switch in
ATIC:
• Output temper‐
ature from AT‐
IC in ON state >
160.0 – 200.0°
C
• Or
• Output current
in ON state
(hardware val‐
ues) driver
stage internal
value
• Engine speed >
512 RPM
• Engine stop not
active
• Actuator com‐
manded on
P2306
Ignition
Coil "C"
Primary
Control
Circuit
Low
Ignition
Coils
Open Cir‐
cuit
• Output voltage
in OFF state,
lower range >=
1.92 – 2.21 V
• Output voltage
in OFF state,
upper range
(hardware val‐
ues) <= 2.85 –
3.25 V
• Engine speed >
512 RPM
• ECT @ cylinder
head > -30° C
• Engine stop not
active
• 1.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Igni‐
tion Coils with
Power Output
Stage . Refer to
.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
373
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
Ignition
Coils
Short To
Ground
• Output current
in ON state
(hardware val‐
ues) > 50 – 100
mA
Ignition
Coils
Short To
Battery
Plus
• Diagnosis by
inactive low
side: switch in
ATIC:
• Output voltage
in OFF state
(hardware val‐
ues) > 4.95 –
5.285 V
• Engine speed >
512 RPM
• Engine stop not
active
• Actuator com‐
manded off
• Diagnosis by
inactive low
side: switch in
ATIC:
• Output temper‐
ature from AT‐
IC in ON state >
160.0 – 200.0°
C
• Or
• Output current
in ON state
(hardware val‐
ues) driver
stage internal
value
• Engine speed >
512 RPM
• Engine stop not
active
• Actuator com‐
manded on
P2309
Ignition
Coil "D"
Primary
Control
Circuit
Low
Ignition
Coils
Open Cir‐
cuit
• Output voltage
in OFF state,
lower range >=
1.92 – 2.21 V
• Output voltage
in OFF state,
upper range
(hardware val‐
ues) <= 2.85 –
3.25 V
• Engine speed >
512 RPM
• ECT @ cylinder
head > -30° C
• Engine stop not
active
• 1.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Igni‐
tion Coils with
Power Output
Stage . Refer to
Ignition
Coils
Short To
Ground
• Output current
in ON state
(hardware val‐
ues) > 50 – 100
mA
Ignition
Coils
Short To
Battery
Plus
• Diagnosis by
inactive low
side: switch in
ATIC:
• Output voltage
in OFF state
(hardware val‐
ues) > 4.95 –
5.285 V
• Engine speed >
512 RPM
• Engine stop not
active
• Actuator com‐
manded off
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
374
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
• Diagnosis by
inactive low
side: switch in
ATIC:
• Output temper‐
ature from AT‐
IC in ON state >
160.0 – 200.0°
C
• Or
• Output current
in ON state
(hardware val‐
ues) driver
stage internal
value
• Engine speed >
512 RPM
• Engine stop not
active
• Actuator com‐
manded on
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
375
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
P230A
Cylinder
1 Air-
Fuel Ra‐
tio Im‐
balance
- Adjust‐
ment At
Limit
During
Balance
Fuel Sys‐
tem A/F
imbal‐
ance: ra‐
tionality
check
• Cylinder mis‐
fire counter >
2.00 [-]
• 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
• Fuel cut off not
active
• AAT >= -48° C
• Barometric pres‐
sure >= 73.00
kPa
• And
• 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
• 90
(does
not
run in
FTP) s
• Once /
DCY
• 2
DCY
– Check the Fuel
Injectors . Refer
to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
376
Rep. Gr. ST - Generic Scan Tool
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