Volkswagen Golf / Golf GTI / Jetta. Manual — part 106

01-5

Malfunction Indicator Light
(MIL) -K83-

If the Motronic Engine Control
Module (ECM) -J220- detects a
malfunction this is indicated by
switching the Malfunction Indicator
Light (MIL) on.

Location of Malfunction Indicator

Light (MIL)

Note:

The Malfunction Indicator Light (MIL)
can switch on in the continuous or
flashing mode. Always check DTC
memory

Page 01-23

.

Flashing mode: There is a

malfunction present which can
damage the Three Way Catalytic
Converter (TWC) when
continuing to drive at this power
output. If this occurs, continue
driving only at reduced output.

Continuous mode: There is a

malfunction present which
causes the emissions to
deteriorate. check engine or
transmission control module in
this case.

Check the DTC memory if the

customer has a complaint or
there is a driveability problem
and the Malfunction Indicator
Light (MIL) does not light up, this
is because Diagnostic Trouble
Codes (DTCs) can be stored
which will not switch the
Malfunction Indicator Light (MIL)
on immediately.

On Board Diagnostic (OBD)

01-6

Functional check:

- Switch on ignition:

Malfunction Indicator Light (MIL) must light-up.

If the Malfunction Indicator Light (MIL) does not

light-up with ignition switched on:

- Check instrument cluster and Electronic Power

Control (EPC) Warning Light -K132-:

Repair Manual, Electrical Equipment On

Board Diagnostic (OBD),Repair Group 01

If the Malfunction Indicator Light (MIL) lights-up

with ignition switched on:

- Start engine and run at idle:

Malfunction Indicator Light (MIL) must go out

after several seconds.

If the Malfunction Indicator Light (MIL) does not

go out:

- Check DTC memory, repair Diagnostic Trouble

Codes (DTCs) if necessary and then erase DTC
memory

Page 01-23

, DTC memory, checking

and erasing.

- Read off readiness code

Page 01-146

. If the

DTC memory has been erased or the Motronic
Engine Control Module (ECM) -J220- was
disconnected from battery (B+) positive, the
readiness code must be generated again

Page 01-149

.

On Board Diagnostic (OBD)

01-7

Control module identification

The control module version is displayed

when the VAG 1551 scan tool, the vehicle
system tester VAG 1552 or the vehicle
diagnostic, testing and information system
VAS 5051 is connected and Engine Control
Module (ECM) selected

Page 01-12

.

Equipment

Engine code

BDF

System designation

Motronic ME7.1.1

Exhaust emissions fulfil

LEV

1)

On Board Diagnosis (OBD)

OBD II

Output Diagnostic Test Mode (DTM)

yes

Method of data transfer to VAG 1551/1552

Rapid data transfer

DTC memory

Non-volatile memory

2)

Memory for learned values

Volatile memory

3)

1)

LEV = Low Emission Vehicles (exhaust emissions max. 0.075 g/mi HC).

2)

Independent of voltage supply.

3)

All values are erased when voltage supply is interrupted.

On Board Diagnostic (OBD)

01-8

Engine code

BDF

Oxygen Sensor control

2 sensors

Knock control

2 knock sensors

Three Way Catalytic Converter (TWC)

yes

Exhaust gas recirculation

no

Charging

no

Secondary air system

yes

Electronic Power Control

yes

Variable intake manifold

yes

Variable valve timing

yes

4)

4)

Two independently variable camshafts.

On Board Diagnostic (OBD)