Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 122
DTC /
Descrip‐
tion
Monitor
Strategy
Descrip‐
tion
Malfunction Crite‐
ria and Threshold
Value
Secondary Parame‐
ters with Enable
Conditions
Monitoring
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
>= 2.80 mg/rev
• Case 2:
• Adaptive value
n.a.
• Barometric pres‐
sure > 73.0 kPa
• MAF > 60.0 mg/
rev
• Engine speed >
576 RPM
• ECT @ cylinder
head > 20° C
• IAT @ manifold >
-48° C
• AAT > -48° C
• Lambda set point
0.95 – 1.05 [-]
• Lambda control
closed loop
• Integrated MAF
>= 5.0 – 200.0 g
• Lambda adapta‐
tion active
• Vehicle speed < 4
mph
• Driver request
low dynamics
• And
• Mass fuel flow
lower range >
0.00 mg/rev
• Mass fuel flow
upper range <
0.00 – 17.74 mg/
rev
• Or
• 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
• 5.0 s
• Contin‐
uous
• 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
161
DTC /
Descrip‐
tion
Monitor
Strategy
Descrip‐
tion
Malfunction Crite‐
ria and Threshold
Value
Secondary Parame‐
ters with Enable
Conditions
Monitoring
Time
Length
MIL Il‐
lum.
Component Diag‐
nostic Procedure
• Upper limit of
lambda controller
output n.a.
• And
• Evap purge flow
at min. value
.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
162
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
Monitoring
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
• Barometric pres‐
sure > 73.0 kPa
• MAF > 60.0 mg/
rev
• Engine speed >
576 RPM
• ECT @ cylinder
head > 20° C
• IAT @ manifold >
-48° C
• AAT > -48° C
• Lambda set point
0.95 – 1.05 [-]
• Lambda control
closed loop
• Integrated MAF
>= 5.0 – 200.0 g
• Lambda adapta‐
tion active
• Vehicle speed < 4
mph
• Driver request
low dynamics
• And
• Mass fuel flow
lower range >
0.00 mg/rev
• Mass fuel flow
upper range <
0.00 – 17.74 mg/
rev
• Or
• 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
• 5.0 s
• Contin‐
uous
• 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
163
DTC /
Descrip‐
tion
Monitor
Strategy
Descrip‐
tion
Malfunction Crite‐
ria and Threshold
Value
Secondary Parame‐
ters with Enable
Conditions
Monitoring
Time
Length
MIL Il‐
lum.
Component Diag‐
nostic Procedure
• Upper limit of
lambda controller
output n.a.
• And
• Evap purge flow
at min. value
P2195
O2 Sen‐
sor Sig‐
nal
Biased/
Stuck
Lean
Bank 1
Sensor
1
Oxygen
Sensors
Front Ra‐
tionality
Check
• Plausibility
check up‐
stream and
downstream
oxygen sensor
signal:
• Lambda value
> 1.15 [-]
• And
• O2S signal rear
>= 0.88 [V]
• O2S front ready
• O2S rear ready
• ECT @ cylinder
head >= -48° C
• MAF > 15.0; <
300.0 kg/h
• Catalyst purge
not active
• Integrated MAF
after end of cata‐
lyst purge 0 [-]
• Engine speed >
1,152 RPM
• EGT @ O2S front
> -273; < 800° C
• Integrated MAF >
40.0 g
• Dynamic lambda
controller output
< 3.0 %
• Dynamic MAF <
0.05 g/rev
• Dynamic engine
speed < 200 RPM
• And
• Second control
loop active:
• MAF 0.06 – 0.75
g/rev
• Engine speed
576 – 5,088 RPM
• 117.0 s
• Contin‐
uous
• 2
DCY
– Check the Oxy‐
gen Sensor 1
Before Catalytic
Converter -
GX10- . Refer to
.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
164
Rep. Gr. ST - Generic Scan Tool
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст