Content .. 136 137 138 139 ..

Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 138

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

• Lambda stimula‐

tion n.a.

• Upper limit of

lambda controller

output n.a.

• Lower limit of

lambda controller

output n.a.

• Engine speed

n.a. rpm

• Air mass n.a. mg/

rev

• MAF n.a. kg/h
• Catalyst purge

n.a.

• And
• Depending on

limited dynamic

conditions:

• Integrated air

mass n.a. g

• Dynamic engine

speed n.a. g

• Dynamic air

mass n.a. mg/rev

• Dynamic lambda

n.a. %

• Or
• Dynamic engine

speed n.a. rpm

• Diff. actual en‐

gine load vs. fil‐

tered engine load

in limited dynam‐

ic conditions, low‐

er range n.a. kg/h

• Diff. actual en‐

gine load vs. fil‐

terd engine load

in limited dynam‐

ic conditions, up‐

per range n.a. kg/

• Dynamic torque

n.a. [-]

• Case 2: lambda

set value adjust‐

ment for condi‐

tioning and

measuring active

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing

225

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

• Delay path:
• Lambda delay

value vs. mod‐

eled lambda

value > 1.10 [-]

• General condi‐

tions:

• MAF >= 0.0 mg/

rev

• MAF <= 1,389.0

mg/rev

• Vehicle speed >=

0 mph

• Time after engine

start >= 0.0 s

• Integrated mass

for fuel in oil <

255.0 [-]

• Engine speed

1,216 – 3,008

RPM

• MAF (intake air

rate) 20.0 – 150.0

kg/h

• Vehicle speed >=

3 mph

• Integrated MAF

per cylinder >=

0.30 – 2.0 kg

• Depending on dy‐

namic conditions:

• Dynamic engine

speed < 288 RPM

• Dynamic torque <

80.0 Nm

• Dynamic MAF <

70.0 kg/h

• For time >= 0.6 s
• And depending

on canister and

catalyst purge:

• Evap purge n.a.
• Or
• Canister load cal‐

culation n.a

• Or
• Canister load <=

n.a. [-]

• 13.2 s
• Once /

DCY

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

226

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

P0135

O2 Sen‐

sor

Heater

Circuit

Bank 1

Sensor

Oxygen

Sensors

Heater

Front

Function‐

al Check

• O2S ceramic

temperature, <

630° C

• O2S heater com‐

manded on

• For time >= 10.0 s

• 20 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Oxy‐

gen Sensor 1

Before Catalytic

Converter -

GX10- . Refer to

P0137

O2 Sen‐

sor Cir‐

cuit Low

Voltage

Bank 1

Sensor

Oxygen

Sensors

Rear

Short To

Ground

• O2S sensor

voltage < 0.15

• O2S heater ac‐

tive

• 0.5 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Oxy‐

gen Sensor 1 Af‐

ter Catalytic

Converter -

GX7- . Refer to

P0138

O2 Sen‐

sor Cir‐

cuit High

Voltage

Bank 1

Sensor

Oxygen

Sensors

Rear

Short To

Battery

• O2S sensor

voltage > 5.2 –

5.35 V

• O2S heater ac‐

tive

• 0.5 s
• Con‐

tinu‐

ous

• 2

DCY

– Check the Oxy‐

gen Sensor 1 Af‐

ter Catalytic

Converter -

GX7- . Refer to

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing

227

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

P013A

O2 Sen‐

sor Slow

Re‐

sponse -

Rich to

Lean

Bank 1

Sensor

Oxygen

Sensors

Rear Re‐

sponse

Check

• Gradient sen‐

sor voltage <

900.00 mV/s

• General condi‐

tions:

• Intrusive lambda

ramp request not

active

• Internal resist‐

ance O2S rear <=

700.00 Ohm

• Counter of inte‐

grated mass for

fuel in oil < 255.00

[-]

• Catalyst monitor

lambda modula‐

tion request ac‐

tive

• Vehicle speed 19

– 158 mph

• Barometric pres‐

sure >= 0.00 kPa

• Catalyst over‐

heating protec‐

tion not active

• Turbine over‐

heating protec‐

tion not active

• O2S rear ready
• O2S front ready
• ECT @ cylinder

head > 60° C

• IAT @ manifold >

-48° C

• Modeled catalyst

temperature @

start of diagnosis

> 510° C

• Modeled catalyst

temperature @

during diagnosis

470 – 830° C

• Diff. between dy‐

namic and sta‐

tionary catalyst

temperature -150

– 150° C

• Integrated air

mass, catalyst

temp. conditions

fulfilled >= 0.0 g

• Modeled EGT @

O2S rear <= 900°

• 0

FTP75:

50 s

• Once /

DCY

• 1

DCY

– Check the Oxy‐

gen Sensor 1 Af‐

ter Catalytic

Converter -

GX7- . Refer to

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

228

Rep. Gr. ST - Generic Scan Tool

Content .. 136 137 138 139 ..