Volkswagen Golf / Golf GTI / Jetta. Manual — part 212

24-102

- Check wiring for open circuit

between test box and the 2-pin
connector for fuel injectors
referring to Electrical Wiring
Diagrams.

Fuel injector 1: Terminal 2 and

socket 96

Fuel injector 2: Terminal 2 and

socket 112

Fuel injector 3: Terminal 2 and

socket 88

Fuel injector 4: Terminal 2 and

socket 113

Fuel injector 5: Terminal 2 and

socket 97

Fuel injector 6: Terminal 2 and

socket 89

Wire resistance: max. 1.5

- Additionally check wiring for short

to one another, to vehicle Ground
(GND) and to battery positive.

Specification:

Components, checking

24-103

If there is no Diagnostic Trouble Code (DTC) in

the wiring and the resistance measurement
values are OK.:

- Replace Motronic Engine Control Module (ECM)

-J220-

Page 24-173

.

- Check DTC memory, repair malfunctions if

necessary and then erase DTC memory

Page

01-23

.

- Erase learned values and adapt Motronic

Engine Control Module (ECM) -J220- again

Page 24-182

.

- Read readiness code

Page 01-146

. If DTC

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

Page 01-149

.

Components, checking

24-104

Fuel
injectors,
checking
for leaks
and
quantity
injected

Special tools
and
equipment

VAG

1348/3
Remote
control

VAG

1348/3-2
Adapter

VAG 1594

A Adapter
set

VAG

1598/31
Test box

VAG 1602

Calibration
tester

Components, checking

24-105

Test requirements

The fuel pressure must be in order, checking

Page 24-110

.

Test sequence

- Remove intake manifold:

Repair Manual, 2.8 Liter VR6 4V Engine

Mechanical, Engine Code(s): BDF; Repair Group
15

- Remove fuel rail complete (fuel lines remain

connected)

Page 24-26

.

Checking for leaks

- Initiate output Diagnosis Test Mode (DTM)

Page 01-100

;

Fuel pump must run.

Note:

This work sequence allows the fuel pump to run

when the engine is not running.

- Check fuel injector for leaks (visual check).

Only 1 to 2 drops per minute must emit from

each fuel injector when fuel pump is running.

- Switch off ignition.

Components, checking