Volkswagen Golf / Golf GTI / Jetta. Manual — part 348

01-54

V.A.G 1551 print-
out

Possible cause

Repair

01316

Brake control
module

No
communication

Open circuit, short circuit to

positive or Ground in data bus
wiring

- Check data bus wiring and
connection using wiring
diagram

- Perform electrical checks

Page 01-102

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

01-55

V.A.G 1551
print-out

Possible
cause

Repair

18256

Check Engine
Control Module
(ECM) memory

DTC in ECM

Repair Manual, Fuel Injection & Ignition, Repair

Group 01 for relevant engine code

- Check engine control module DTC memory

65535

Control module
faulty

ABS Control
Module (w/EDL)
-J104- faulty

Repair Manual, Brake System, Repair Group

45; Hydraulic unit, brake booster/brake master
cylinder - Assembly overview; Removing and
installing control module and hydraulic unit

- Replace ABS control module (w/EDL) -J104-

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

01-56

Diagnostic Trouble Code
(DTC) memory, erasing and
ending output

Note:

All functions which could previously
be performed with V.A.G 1551 can
also be performed with the tester
VAS 5051.

Test requirements:

DTC memory checked

Page

01-28

.

1. Erasing DTC memory

- Press

key.

Rapid data transfer

HELP

Select function XX

Indicated on display

- Press keys -0- and -5-; 05 enters

"Erase DTC memory" function.

Rapid data transfer

Q

05 - Erase DTC memory

Indicated on display

- Confirm entry with Q key

Rapid data transfer

DTC memory is erased!

Indicated on display

- Press

key.

Rapid data transfer

HELP

Select function XX

Indicated on display

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

01-57

Warning!

DTC memory was not interrogated.

Indicated on display

Note:

Adhere exactly to test sequence:
First check DTC memory, then erase

2. Ending output

- Press keys -0- and -6-, to end

output.

Rapid data transfer

Q

06 - End output

Indicated on display

- Confirm input with Q key.

Rapid data transfer

HELP

Select function XX

Indicated on display

ABS warning light -K47- and warning
light for brake system -K118- must
go out after approx. 2 seconds.

- Switch ignition off.

- Disconnect V.A.G 1551 Scan

Tool at Data Link Connector
(DLC).

- Switch ignition on.

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program