Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 135
![](/vehicles/zeend/bei/youd/frathilit.png)
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
P0090
Fuel
Pres‐
sure
Regula‐
tor 1
Control
Circuit/
Open
Fuel Vol‐
ume Reg‐
ulator
Control
open cir‐
cuit
• Voltage high
side < 1.87 –
2.26 V
• Voltage low
side > 2.78 –
3.33 V
• Engine speed >
600 rpm
• And
• Fuel cut off not
active
• Actuator com‐
manded on
• 0.8 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Fuel
Pressure Regu‐
lator Valve -
N276- . Refer to
.
• Low and high
side Off:
• Voltage low
side > 2.78 –
3.33 V
• Voltage high
side < 1.87 –
2.26 V
• Low and high
side On:
• Current low
side driver
stage internal
value
• Current high
side driver
stage internal
value
P0091
Fuel
Pres‐
sure
Regula‐
tor 1
Control
Circuit
Low
Fuel Vol‐
ume Reg‐
ulator
Control
short to
ground
(high
side)
• Current high
side driver
stage internal
value (hard‐
ware values)
• Ignition on
• Or
• Ignition off (dur‐
ing ECM keep
alive-time)
• And
• Actuator com‐
manded on
• 0.8 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Fuel
Pressure Regu‐
lator Valve -
N276- . Refer to
.
Fuel Vol‐
ume Reg‐
ulator
Control
short to
ground
(low side)
• Voltage low
side < 1.87 –
2.26 V (hard‐
ware values)
• Ignition on
• Or
• Ignition off (dur‐
ing ECM keep
alive-time)
• And
• Actuator com‐
manded off
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
213
![](/vehicles/zeend/bei/youd/grec.png)
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
P0092
Fuel
Pres‐
sure
Regula‐
tor 1
Control
Circuit
High
Fuel Con‐
trol Valve
Short To
Battery
Plus (Low
Side)
• Current low
side (hardware
values) driver
stage internal
value
• Ignition on
• Or
• Ignition off (dur‐
ing ECM keep
alive-time)
• And
• Actuator com‐
manded on
• 0.8 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Fuel
Pressure Regu‐
lator Valve -
N276- . Refer to
Fuel Con‐
trol Valve
Short To
Battery
Plus
(High
Side)
• Voltage high
side (hardware
values) < 2.78
– 3.33 V
• Ignition on
• Or
• Ignition off (dur‐
ing ECM keep
alive-time)
• And
• Actuator com‐
manded off
P00B7
Engine
Coolant
Flow
Low/
Per‐
for‐
mance
Rotary
Coolant
Valve
Function‐
al Check
• Diff. previous
and actual po‐
sition of RVC <
4.0°
• ECT @ cylinder
head > 11° C
• RCV position
0.00 – 270.0°
• Diff. previous ac‐
tual and target
position of RCV >
5.0°
• And
• RCV adaptation
finished
• Or
• RCV adaptation
not active
• 3.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check coolant
system for leaks
or damage.
– Check the En‐
gine Tempera‐
ture Control Ac‐
tuator - N493- .
Refer to
.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
214
Rep. Gr. ST - Generic Scan Tool
![](/vehicles/zeend/bei/youd/stre.png)
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
P0106
Manifold
Abso‐
lute
Pres‐
sure/
Baro‐
metric
Pres‐
sure
Sensor
Circuit
Range/
Per‐
for‐
mance
Manifold
Pressure
Sensor
By En‐
gine
Standing:
Rationali‐
ty Check
During
ECM
Keep
Alive-
Time:
• Case 1:
• Diff. barometric
pressure vs. in‐
take manifold
pressure >=
8.50 kPa
• Diff. upstream
throttle pres‐
sure vs. intake
manifold pres‐
sure > 8.50 kPa
• Diff. barometric
pressure vs.
upstream throt‐
tle pressure <
8.50 kPa
• Case 2:
• Intake manifold
pressure (raw
value) < 25.00;
> 125.00 kPa
• Case 3;
• Diff. barometric
pressure vs. in‐
take manifold
pressure n.a.
kPa
• Diff. upstream
throttle pres‐
sure vs. intake
manifold pres‐
sure n.a. kPa
• Diff. barometric
pressure vs.
upstream throt‐
tle pressure
n.a. kPa
• Diff. intake
manifold pres‐
sure vs. intake
manifold pres‐
sure @ idle or
low part load
n.a. kPa
• Case 4:
• Diff. barometric
pressure vs. in‐
take manifold
pressure n.a.
kPa
• Diff. upstream
throttle pres‐
sure vs. intake
manifold pres‐
sure n.a. kPa
• Engine stopped
• Ignition off
• Vehicle speed < 1
mph
• ECM keep alive
time > 10.0 s
• Delay time after
engine stop >=
5.0 s
• Barometric pres‐
sure sensor volt‐
age 0.20 - 4.80 V
• MAP sensor volt‐
age 0.20 – 4.80 V
• Turbocharger
boost pressure
sensor voltage
0.20 – 4.80 V
• 3.0 s
• Once /
DCY
• 2
DCY
– Check the In‐
take Manifold
Sensor - GX9- .
Refer to
.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
215
![](/vehicles/zeend/bei/youd/dellor.png)
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
• Diff. barometric
pressure vs.
upstream throt‐
tle pressure
n.a. kPa
• Diff. intake
manifold pres‐
sure vs. intake
manifold pres‐
sure @ idle or
low part load
n.a. kPa
Intake Air
System
Rationali‐
ty Check
• General condi‐
tions:
• Filtered lamb‐
da controller in‐
cluded correc‐
tion and adap‐
tation < -30.0 %
• And
• Deviation throt‐
tle area control‐
ler > 45.0 %
• Throttle position
> 0.0° TPS
• Throttle position
< 100.003° TPS
• Engine speed >
576; < 3008 RPM
• Modeled pres‐
sure quotient >
0.27; < 0.57 [-]
• Engine running
• Throttle actuator
commanded on
• Time after engine
start > 5.0 s
• Throttle position
sensor failure not
detected
• Fuel cut off not
active
• Fast throttle
adaptation finish‐
ed
• Gradient intake
manifold pres‐
sure -199.90 –
199.90 kPa/s
• Barometric pres‐
sure plausibility
diagnosis finish‐
ed
• Intake manifold
modeled adapta‐
tion active
• And
• Choice of:
• MAF sensor ac‐
tive
• Or
• 5.0 s
• Con‐
tinu‐
ous
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
216
Rep. Gr. ST - Generic Scan Tool
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