Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 123
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
P2196
O2 Sen‐
sor Sig‐
nal
Biased/
Stuck
Rich
Bank 1
Sensor
1
Oxygen
Sensors
Front Ra‐
tionality
Check
• Plausibility
check up‐
stream and
downstream
oxygen sensor
signal:
• Lambda value
< 0.85 [-]
• And
• O2S signal rear
>= 0.25 V
• Modeled exhaust
gas temp 450 -
850° C
• Delta engine load
< 35%
• Exhaust. gas
mass flow 14 –
300 kg/h
• Lambda control,
2nd lambda con‐
trol, closed loop
• O2S front, rear
and heaters
ready - no fault
• Fuel cutoff, cata‐
lyst heating, SAI -
not active
• 1st lambda con‐
trol loop not at
min or max
• 2nd lambda con‐
trol loop active
• 117.0 s
• Contin‐
uous
• 2
DCY
– Check the Oxy‐
gen Sensor 1
Before Catalytic
Converter -
GX10- . Refer to
P219C
Cylinder
1 Air-
Fuel Ra‐
tio Im‐
balance
Air Fuel
Imbal‐
ance
Monitor‐
ing Out
Of Range
High
• Cylinder 1:
• Weighted
adaptive value
> 15.0 %
• Modeled catalyst
temperature @
start <= 900° C
• Lambda set value
0.97 – 1.03 [-]
• Catalyst heating
not active
• Engine rough‐
ness signal valid
• Cylinder shut off
not active
• AAT >= -48° C
• Barometric pres‐
sure >= 73.0 kPa
• And
• Choice of:
• Catalyst diagno‐
sis n.a.
• Or
• Catalyst diagno‐
sis n.a.
• Depending on
catalyst diagno‐
sis:
• Canister purge
(conditions) n.a.
• Or
• 90.0 s
• Once /
DCY
• 2
DCY
– Check the Fuel
Injectors . Refer
to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
165
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
Air Fuel
Imbal‐
ance
Monitor‐
ing Out
Of Range
Low
• Cylinder 1:
• Weighted
adaptive value
< -15.0 %
• Evap purge valve
n.a.
• Or
• Evap purge n.a.
• And
• O2S dynamic di‐
agnosis n.a.
• O2S delay diag‐
nosis n.a.
• Lambda control
closed loop
• Catalyst purge
not active
• Canister load <=
2.00 [-]
• Engine no full
load
• Fuel cut off not
active
• Segment adapta‐
tion finished
• Catalyst damag‐
ing misfire not de‐
tected
• Emission thresh‐
old misfire not de‐
tected
• No gear switch
for segments >=
90.00 [-]
• Segments after
start > 0.00 [-]
• Time after engine
start > 0.0 [s]
• Rough road n.a.
• And depending
on gear:
• 1st gear not ac‐
tive
• 2nd gear not ac‐
tive
• 3rd gear not ac‐
tive
• 4th gear active
• 5th gear active
• 6th gear active
• 7th gear active
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
166
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
• 8th gear active
• And
• Integrated MAF
>= 1.0 – 5.0 kg
• Diff. engine
speed vs. dynam‐
ic engine speed <
75 RPM
• Diff. MAF vs. dy‐
namic MAF <
29.99 mg/rev
• ECT @ cylinder
head 60 – 143° C
• Adaptation cycles
<= 3.00 [-]
• And
• Depending on
transmission
type:
• For AT
• Engine speed
1,408 – 3,008
RPM
• For MT
• Engine speed
1,408 – 3,008
RPM
• For DCT
• Engine speed
1,408 – 3,008
RPM
• And
• Mass fuel flow
lower range >=
12.00 mg/rev
• Mass fuel flow
upper range <=
29.99 mg/rev
P219D
Cylinder
2 Air-
Fuel Ra‐
tio Im‐
balance
Air Fuel
Imbal‐
ance
Monitor‐
ing Out
Of Range
High
• Cylinder 2:
• Weighted
adaptive value
> 15.0 %
• Modeled catalyst
temperature @
start <= 900° C
• Lambda set value
0.97 – 1.03 [-]
• Catalyst heating
not active
• Engine rough‐
ness signal valid
• Cylinder shut off
not active
• 90.0 s
• Once /
DCY
• 2
DCY
– Check the Fuel
Injectors . Refer
to
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
3. Diagnosis and Testing
167
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
Air Fuel
Imbal‐
ance
Monitor‐
ing Out
Of Range
Low
• Cylinder 2:
• Weighted
adaptive value
< -15.0 %
• AAT >= -48° C
• Barometric pres‐
sure >= 73.0 kPa
• And
• Choice of:
• Catalyst diagno‐
sis n.a.
• Or
• Catalyst diagno‐
sis n.a.
• Depending on
catalyst diagno‐
sis:
• Canister purge
(conditions) n.a.
• Or
• Evap purge valve
n.a.
• Or
• Evap purge n.a.
• And
• O2S dynamic di‐
agnosis n.a.
• O2S delay diag‐
nosis n.a.
• Lambda control
closed loop
• Catalyst purge
not active
• Canister load <=
2.00 [-]
• Engine no full
load
• Fuel cut off not
active
• Segment adapta‐
tion finished
• Catalyst damag‐
ing misfire not de‐
tected
• Emission thresh‐
old misfire not de‐
tected
• No gear switch
for segments >=
90.00 [-]
GTI 2014 ➤
Generic Scan Tool - Edition 04.2015
168
Rep. Gr. ST - Generic Scan Tool
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