Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 167
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
P2187
System
Too
Lean at
Idle
Bank 1
Fuel Sys‐
tem Di‐
rect Fuel
Injection
System
Too Lean
• Case 1:
• Adaptive value
>= 3.01 mg/rev
• Case 2:
• Adaptive value
n.a.
• Air mass > 60.00
mg/rev
• ECT @ cylinder
head > 20° C
• IAT @ manifold >
-48° C
• AAT > -48° C
• Lambda setpoint
0.97 – 1.05 [-]
• Lambda control
closed loop
• Integrated air
mass >= 600.0 –
10,000.0 g
• Vehicle speed < 4
mph
• Low dynamic
conditions:
• Diff. engine
speed vs. aver‐
aged engine
speed for engine
speed dynamic
detection < 60 –
130 rpm
• Diff. air mass vs.
averaged air
mass for load dy‐
namic detection <
16.00 – 30.01mg/
rev
• Diff. between ref‐
erence and ac‐
tual fuel pres‐
sure, high side <=
2000.10 kPa
• Integrated air
mass > 5.0 – 25.0
g
• And
• Fuel mass lower
range > 4.01 mg/
rev
• Fuel mass upper
range < 17.00 –
19.01 mg/rev
• Engine speed
704 – 927 [rpm]
• Or
• Engine n.a.
• And
• 5.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the intake
and vacuum ho‐
ses visually for
leaks. Check the
Positive Crank‐
case Ventilation
visually. Also
make sure the
oil dipstick is
properly se‐
cured.
– Listen to and vis‐
ually inspect the
exhaust system
to insure there
are no leaks.
– Check the Oxy‐
gen Sensor 1
Before Catalytic
Converter -
GX10- . Refer to
.
– Check the Oxy‐
gen Sensor 1 Af‐
ter Catalytic
Converter -
GX7- . Refer to
– Check the In‐
take Manifold
Sensor - GX9- .
Refer to
.
– Check the EVAP
Canister Purge
Regulator Valve
1 - N80- . Refer
to
.
– Check the Fuel
Injectors . Refer
to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
341
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
• Evap purge valve
closed
• Or
• Canister load <=
1.20 [-]
• Evap purge flow
at max. value
• Or
• Depending on
canister purge
min:
• Lower limit of
lambda controller
output n.a.
• Or
• Upper limit of
lambda controller
output n.a.
• And
• Evap purge flow
at min. value
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
342
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
P2188
System
Too
Rich at
Idle
Bank 1
Fuel Sys‐
tem Di‐
rect Fuel
Injection
System
Too Rich
• Case 1:
• Adaptive value
<= -3.01 mg/
rev
• Case 2:
• Adaptive value
<= n.a. kg/h
• Air mass > 60.00
mg/rev
• ECT @ cylinder
head > 20° C
• IAT @ manifold >
-48 ° C
• AAT > -48° C
• Lambda setpoint
0.97 – 1.05 [-]
• Lambda control
closed loop
• Oil dilution not
detected
• Integrated air
mass >= 600.0 –
10,000.0 g
• Vehicle speed < 4
mph
• Low dynamic
conditions:
• Diff. engine
speed vs. aver‐
aged engine
speed for engine
speed dynamic
detection < 60 –
130 rpm
• Diff. air mass vs.
averaged air
mass for load dy‐
namic detection <
16.00 – 30.01 mg/
rev
• Diff. between ref‐
erence and ac‐
tual fuel pres‐
sure, high side <=
2000.10 kPa
• Integrated air
mass > 5.0 – 25.0
g
• And
• Fuel mass lower
range > 4.01 mg/
rev
• Fuel mass upper
range < 17.00 –
19.01 mg/rev
• Engine speed
704 – 927 rpm
• Or
• 5.0 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Evap‐
orative Emission
(EVAP) System
visually for con‐
tamination.
– Check the Oxy‐
gen Sensor 1
Before Catalytic
Converter -
GX10- . Refer to
.
– Check the Oxy‐
gen Sensor 1 Af‐
ter Catalytic
Converter -
GX7- . Refer to
– Check the Fuel
Injectors . Refer
to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
343
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
• Engine n.a.
• And
• Evap purge valve
closed
• Or
• Canister load <=
1.20 [-]
• Evap purge flow
at max. value
• Or
• Depending on
canister purge
min:
• Lower limit of
lambda controller
output n.a.
• Or
• Upper limit of
lambda controller
output n.a.
• And
• Evap purge flow
at min. value
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
344
Rep. Gr. ST - Generic Scan Tool
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