Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 179
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
P2440
AIR Sys‐
tem
Switch‐
ing
Valve
Stuck
Open
Bank 1
Secon‐
dary Air
Valve
Function‐
al Check
• Ratio relative
pressure
phase 1 and
relative pres‐
sure phase 2 >
1.34 [-]
• General:
• Secondary air
pump active
• Catalyst heating
active
• Secondary air in‐
jection active
• MAF <= 140.0 kg/
h
• ECT @ cylinder
head >= -10; <
115° C
• IAT @ manifold
>= -10; < 100° C
• Modeled catalyst
temperature <
900° C
• Relative baro‐
metric pressure >
0.73 [-]
• And
• Diff. barometric
pressure vs.
manifold pres‐
sure > n.a. kPa
• Or
• Engine n.a.
• 0.1 s
• Once /
DCY
• 2
DCY
– Check the Sec‐
ondary Air Sys‐
tem - GX24- .
Refer to
.
P2556
Engine
Coolant
Level
Sensor/
Switch
Circuit
Rotary
Coolant
Valve
Commu‐
nication
Check
• Communica‐
tion signal fail‐
ure
• 0.5 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the En‐
gine Tempera‐
ture Control Ac‐
tuator - N493- .
Refer to
Rotary
Coolant
Valve
Signal
Check
• Sensor signal
failure
P2557
Engine
Coolant
Level
Sensor/
Switch
Circuit
Range/
Per‐
for‐
mance
Rotary
Coolant
Valve
Check‐
sum Veri‐
fication
• Checksum sig‐
nal failure
• 0.5 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the En‐
gine Tempera‐
ture Control Ac‐
tuator - N493- .
Refer to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
389
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
P2564
Turbo‐
charger
Boost
Control
Position
Sensor
"A" Cir‐
cuit Low
Turbo‐
charger
Boost
Control
Position
Sensor
Short To
Ground /
Open Cir‐
cuit
• Turbocharger
boost control
position sensor
voltage < 0.20
V
• 0.5 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the
Charge Pres‐
sure Actuator -
V465- / Charge
Pressure Actua‐
tor Position Sen‐
sor - G581- . Re‐
fer to
.
P2565
Turbo‐
charger
Boost
Control
Position
Sensor
"A" Cir‐
cuit High
Turbo‐
charger
Boost
Control
Position
Sensor
Short To
Battery
Voltage
• Turbocharger
boost control
position sensor
voltage > 4.80
V
• 0.5 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the
Charge Pres‐
sure Actuator -
V465- / Charge
Pressure Actua‐
tor Position Sen‐
sor - G581- . Re‐
fer to
P2610
ECM/
PCM
Engine
Off Tim‐
er Per‐
for‐
mance
Engine
Off Time
ECM In‐
ternal
Timer
Check
• ECM internal
timer failure
• Or
• ECM internal
timer signal not
calibrated
• ECM internal
timer not cali‐
brated
• Time after last
engine stop not
calibrated
• SPI initialization
finished
• 1.3 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the En‐
gine Control
Module - J623- .
Refer to appro‐
priate repair
manual.
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
390
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
Engine
Off Time
ECM Ra‐
tionality
Check
• Difference be‐
tween engine-
off-time and
ECM keep
alive-time >=
12.0 s
• Or
• Difference be‐
tween ECM
keep alive-time
and engine-off-
time >= 12.0 s
• Monitor Entry
Conditions:
• ECM keep alive-
time active
• ECU internal tim‐
er reset not acti‐
vated
• Time delay >= 1.0
s
• Time after last
engine stop < 48
[h]
• Case 1:
• For time (after en‐
try conditions ful‐
filled) >= 65 s
• Case 2:
• For time (after en‐
try conditions ful‐
filled) < 65 s
• Ignition key tran‐
sition off to on
• 10 ms
• Once /
DCY
• Difference be‐
tween engine-
off-time and
ECM keep
alive-time >=
12.0 s
• Time after engine
stop < 86,400.0 s
• Engine off time
plausible
• Engine off time
monitoring not
finished
• Engine off time
signal valid time
after reset < 2.0 s
• And
• Case 1:
• Engine off timer
n.a.
• Or
• Engine off time
n.a.
• Case 2:
• ECM internal tim‐
er active
• SPI communica‐
tion failure after
reset detected
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
391
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
P2635
Fuel
Pump
Control
Module
Per‐
for‐
mance
COM:
Fuel
Pump
Control
Module
(FPCM)
commu‐
nication
with
FPCM
• FP signal:
overcurrent
failure feed‐
back >= 2.00 [-]
• Engine on
• 1.6 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the Fuel
Pump Control
Module - J538- .
Refer to
• FP signal: rota‐
ry failure feed‐
back >= 2.00 [-]
• 1.8 s
• Con‐
tinu‐
ous
• FP sensor:
short to battery
failure or rpm
deviation feed‐
back >= 2.00 [-]
• 2.4 s
• Con‐
tinu‐
ous
P2681
Engine
Coolant
Bypass
Valve
"A" Con‐
trol Cir‐
cuit/
Open
Rotary
Coolant
Valve
Open Cir‐
cuit
• Load resist‐
ance > 200.0
kOhm
• Rotary slide valve
commanded off
• 1.3 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the En‐
gine Tempera‐
ture Control Ac‐
tuator - N493- .
Refer to
.
P2682
Engine
Coolant
Bypass
Valve
"A" Con‐
trol Cir‐
cuit Low
Rotary
Coolant
Valve
Short To
Ground
Output 1
• High side cur‐
rent output 1
driver stage in‐
ternal value
• Rotary slide valve
commanded on
• Rotary valve di‐
rection forward
• 0.30 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the En‐
gine Tempera‐
ture Control Ac‐
tuator - N493- .
Refer to
Rotary
Coolant
Valve
Short To
Ground
Output 2
• High side cur‐
rent output 2
driver stage in‐
ternal value
• Rotary slide valve
commanded on
• Rotary valve di‐
rection reversed
P2683
Engine
Coolant
Bypass
Valve
"A" Con‐
trol Cir‐
cuit High
Rotary
Coolant
Valve
Short To
Battery
Plus Out‐
put 1
• Low side cur‐
rent output 1
driver stage in‐
ternal value
• Rotary slide valve
commanded off
• 0.30 s
• Con‐
tinu‐
ous
• 2
DCY
– Check the En‐
gine Tempera‐
ture Control Ac‐
tuator - N493- .
Refer to
Rotary
Coolant
Valve
Short To
Battery
Plus Out‐
put 2
• Low side cur‐
rent output 2
driver stage in‐
ternal value
• Rotary slide valve
commanded off
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
392
Rep. Gr. ST - Generic Scan Tool
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст