Volkswagen Golf / Golf GTI / Jetta. Manual — part 250

28-20

- Read readiness code

Page 01-146

. If DTC

memory has been erased or Engine Control
Module (ECM) was disconnected from battery
positive, readiness code must be generated
again

Page 01-149

.

Checking sequence for Camshaft Position
(CMP) Sensor 2 -G163-

Note:

Mark connector and component before pulling
connector off.

- Disconnect 3-pin connector -2- from Camshaft

Position (CMP) Sensor 2 -G163-.

- Connect multimeter to measure voltage at

terminals 1 (positive) and 3 (Ground) of
Camshaft Position (CMP) Sensor connector
using adapter cables from V.A.G 1594.

- Switch on ignition.

Specification: at least 4.5 V

- Switch off ignition.

Ignition system, servicing

28-21

If no voltage is present:

- Remove wiper arms and cowl

panel:

Repair Manual, Electrical

Equipment; Repair Group 92

- Connect VAG 1598/31 test box to

control module wiring harness.
Engine Control Module (ECM)
remains disconnected.

- Check wiring for open circuit

between test box and connector
referring to Electrical Wiring
Diagrams.

terminal 1 and socket 98

terminal 2 and socket 87

terminal 3 and socket 108

Wire resistance: max. 1.5

- Additionally check wires for short

to one another.

Specification:

Ignition system, servicing

28-22

If no wiring malfunction is detected and voltage

was present between terminals 1 and 3:

- Replace Camshaft Position (CMP) Sensor 2 -

G163-

Page 28-6

, item 13 .

- Check DTC memory, repair malfunctions if

necessary and then erase DTC memory

Page

01-23

.

- Read readiness code

Page 01-146

. If DTC

memory has been erased or Engine Control
Module (ECM) was disconnected from battery
positive, readiness code must be generated
again

Page 01-149

.

If no wiring malfunction is detected and no

voltage was present between terminals 1 and 3:

- Replace Engine Control Module (ECM)

Page

24-173

.

- Check DTC memory, repair malfunctions if

necessary and then erase DTC memory

Page

01-23

.

- Erase learned values and adapt Engine Control

Module (ECM) again

Page 24-182

.

- Read readiness code

Page 01-146

. If DTC

memory has been erased or Engine Control
Module (ECM) was disconnected from battery
positive, readiness code must be generated
again

Page 01-149

.

Ignition system, servicing

28-23

Ignition coil with power output stage,
checking

Note:

The ignition coils and power output stage are

combined into a single component and cannot be
replaced separately.

Special tools, materials and equipment

VAG 1526 or Fluke 83 Hand multimeter or VAG

1715 multimeter

VAG 1527 LED test light

VAG 1594 adapter set

VAG 1598/31 test box

Electrical Wiring Diagrams

Ignition system, servicing