Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 157
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
P050A
Cold
Start
Idle
Control
System
Per‐
for‐
mance
Cold Idle
Controller
Function
Monitor‐
ing: en‐
gine
speed
deviation
• Positive engine
speed vs. en‐
gine speed set
point > 90 RPM
• Integrated I-
part of idle
speed control‐
ler n.a.
• General condi‐
tions:
• Vehicle speed =0
mph
• Accelerator pedal
released by driv‐
er
• Throttle actuator
commanded on
• Evap purge flow <
4.00 kg/h
• Engine running
• Time after engine
start > 0.0 s
• Clutch switch n.a.
• Barometric pres‐
sure > 70.00 kPa
• Catalyst heating
active
• ECT @ cylinder
head > -10° C
• And
• Setpoint change
n.a. rpm
• For time n.a. s
• And
• Additional after
dynamic condi‐
tions fulfilled:
• Gear switch not
active
• (A/T only)
• Accelerator pedal
released by driv‐
er
• Vehicle speed 0
mph
• For time >= 0.0 s
• 12 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Throt‐
tle Valve Control
Module - GX3- .
Refer to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
301
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
Cold Idle
Controller
Function
Monitor‐
ing: en‐
gine
speed
deviation
• Negative en‐
gine speed de‐
viation from set
point > 100
RPM
• Integrated I-
part of idle
speed control‐
ler n.a.
• General condi‐
tions:
• Vehicle speed =0
mph
• Accelerator pedal
released by driv‐
er
• Throttle actuator
commanded on
• Evap purge flow <
4.00 kg/h
• Engine running
• Time after engine
start > 0.0 s
• Clutch switch n.a.
• Barometric pres‐
sure > 70.00 kPa
• Catalyst heating
active
• ECT @ cylinder
head > -10° C
• And
• Setpoint change
n.a. rpm
• For time n.a. s
• And
• Additional after
dynamic condi‐
tions fulfilled:
• Gear switch not
active
• (A/T only)
• Accelerator pedal
released by driv‐
er
• Vehicle speed 0
mph
• Engine load <
31.25 %
• (M/T only)
• For time >= 0.0 s
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
302
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
P050B
Cold
Start Ig‐
nition
Timing
Per‐
for‐
mance
Ignition
Control
Ignition
Timing
Monitor
• Ratio between
ignition angle
efficiency inte‐
gral and time at
idle speed >
0.20 [-]
• Engine idle
speed time @ idle
speed > 5.0 s
• Ignition angle set‐
point <= 0.85 [-]
• Modeled pres‐
sure quotient <=
1.0 [-]
• Vehicle speed = 0
mph
• And
• Diff. air mass set
point vs. filtered
air mass set point
for load dynamic
detection <
99,999.00 mg/rev
• For time >= 0.0 s
• And
• Diff. engine
speed vs. filtered
engine speed for
engine speed dy‐
namic detection <
8,160 RPM
• For time >= 0.0 s
• 0.1 s
• Once /
DCY
• 2
DCY
– Check for any
Engine Speed
sensor or Igni‐
tion Coil faults
and diagnose
them first.
– Check the En‐
gine Speed Sen‐
sor - G28- . Re‐
fer to
.
– Check the Igni‐
tion Coils with
Power Output
Stage . Refer to
.
– If NO other co‐
des are set,
check the ECM.
Refer to appro‐
priate repair
manual.
– Check the En‐
gine Control
Module - J623- .
Refer to appro‐
priate repair
manual.
P052A
Cold
Start "A"
Cam‐
shaft
Position
Timing
Over-
Ad‐
vanced
Bank 1
Cold
Start
Monitor‐
ing Varia‐
ble Valve
Timing
(VVT) In‐
take Ac‐
tuator ra‐
tionality
check
• Camshaft posi‐
tion deviation >
9.00° CRK
• Modeled oil tem‐
perature -40 –
160° C
• Engine speed
608 – 6,016 rpm
• Camshaft posi‐
tion n.a.
• Camshaft posi‐
tion adjustment
active
• Catalyst heating
active
• Camshaft posi‐
tion deviation in‐
tegrator ( actual
vs. setpoint posi‐
tion) >= 8.00°
CRK’s
• 0
(FTP75:
45) [s]
• once /
DCY
• 2
DCY
– Check the Cam‐
shaft Adjust‐
ment Valve 1 -
N205- . Refer to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
303
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
P053F
Cold
Start
Fuel
Pres‐
sure
Per‐
for‐
mance
Bank 2
Fuel Sys‐
tem Out
Of Range
High
• Deviation be‐
tween refer‐
ence and ac‐
tual fuel pres‐
sure <
-2,999.90 kPa
• For time >= 3.0
s
• General:
• Engine speed >
512 rpm
• Time after engine
start > 10.0 s
• And
• Fuel mass set‐
point lower range
> 5.00 mg/rev
• for time >= 10.0 s
• Fuel mass set‐
point upper range
<= 187.17 –
229.23 mg/rev
• Fuel mass set‐
point gradient
-1389.00 –
1389.00 mg/rev
• For time >= 5.0 s
• And
• Additional for cat‐
alyst heating:
• Catalyst heating
active
• ECT @ cylinder
head > -48° C
• Fuel mass set‐
point lower range
>= 5.00 mg/rev
• For time >= 5.1 s
• 4.5 s
• Once /
DCY
• 2
DCY
– Check the fuel
pressure. Refer
to appropriate
repair manual.
– Check the Fuel
Pump Control
Module - J538- /
Fuel Delivery
Unit - GX1- . Re‐
fer to
– Check the Fuel
Pressure Regu‐
lator Valve -
N276- . Refer to
– Check the Fuel
Pressure Sen‐
sor - G247- . Re‐
fer to
Fuel Sys‐
tem Out
Of Range
Low
• Deviation be‐
tween refer‐
ence and ac‐
tual fuel pres‐
sure > 2,999.90
kPa
• For time >= 3.0
s
P054A
Cold
Start "B"
Cam‐
shaft
Position
Timing
Over-
Ad‐
vanced
Bank 1
Cold
Start
Monitor‐
ing Varia‐
ble Valve
Timing
(VVT) Ex‐
haust Ac‐
tuator ra‐
tionality
check
• Camshaft posi‐
tion deviation >
9.00° CRK
• Modeled oil tem‐
perature
-40...160° C
• Engine speed
608 – 6,016 rpm
• Camshaft posi‐
tion n.a.
• Camshaft posi‐
tion adjustment
active
• Catalyst heating
active
• Camshaft posi‐
tion deviation in‐
tegrator ( actual
vs. setpoint posi‐
tion) >= 8.00°
CRK’s
• 0
(FTP75:
45) s
• Once /
DCY
• 2
DCY
– Check the Ex‐
haust Camshaft
Adjustment
Valve 1 - N318- .
Refer to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
304
Rep. Gr. ST - Generic Scan Tool
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст