Volkswagen Golf / Golf GTI / Jetta. Manual — part 49

15-85

System in basic setting 1

1

2

3

4

Indicated on display: (1...4

display

zones)

Only continue with the test when:

Checking intake camshaft timing
adjustment

Coolant temperature is above 85

C -Display zone 2-

- Change to display group 94 as

follows:

- Press C key.

Basic setting

Input display group number XXX

Indicated on display

- Press keys 0, 9 and 4 for "Display

group number 94" and confirm
entry with Q key.

System in basic setting 94

1

2

3

Indicated on display: (1...3

display

zones)

- Depress brake pedal and hold.

- Depress accelerator down to wide

open throttle position.

Engine speed will be increased by

engine control module to approx.
2300 rpm.

Valve gear, servicing

15-86

- Hold brake pedal and accelerator down until

display in display zone 3 jumps from "Test OFF"
to "Test ON".

- Continue to hold brake pedal and accelerator

down until display zone 3 displays specification
"Syst. OK."..

- Release brake and accelerator pedals.

If "Syst.n.OK." appears in display zone 3:

- Press

key.

- Check DTC memory:

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
01

- Read readiness code:

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
01

- Generate readiness code again if DTC memory

has been erased or engine control module
separated from permanent positive supply:

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
01

Valve gear, servicing

15-87

If no DTC is stored in DTC memory:

- Press keys 0 and 6 for function "End output" and

confirm entry with Q key.

- Switch ignition off.

- Check Camshaft Position (CMP) sensors -G40-

and -G163- (connections may be interchanged):

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
28

- Check oil pressure

Page 17-19

, Checking oil

pressure and oil pressure switch.

- Check valve timing

Page 15-37

.

When no faults can be located:

- Replace intake camshaft timing adjuster

Page

15-69

, Removing and installing camshaft

If "Sys. OK." appears in display zone 3:

Valve gear, servicing

15-88

Check exhaust camshaft timing
adjustment

- Change to display group 96 as

follows:

- Press C key.

Basic setting

Input display group number XXX

Indicated on display

- Press keys 0, 9 and 6 for "Display

group number 96" and confirm
entry with Q key.

System in basic setting 96

1

2

3

Indicated on display: (1...3

display

zones)

- Depress brake pedal and hold.

- Depress accelerator down to wide

open throttle position.

Engine speed will be increased by

engine control module to approx.
2300 rpm.

- Hold brake pedal and accelerator

down until display in display zone
3 jumps from "Test OFF" to "Test
ON".

- Continue to hold brake pedal and

accelerator down until display
zone 3 displays specification
"Syst. OK.".

Valve gear, servicing