Volkswagen Golf / Golf GTI / Jetta. Manual — part 151

01-146

Read readiness code

Special tools, workshop
equipment, testers, measuring
instruments and auxiliary items
required

Note:

All functions which could previously
be performed with VAG 1551/1552
can also be performed with the
vehicle diagnostic, testing and
information system VAS 5051.

Work sequence

VAG 1551 Scan tool (or VAG

1552 vehicle system tester) with
VAG 1551/3 adapter cable

- Connect VAG 1551 scan tool

((VAG 1552) and select Engine
Control Module (ECM) with the
"Address word" 01. Engine must
be running at idle: (Connecting
scan tool and selecting Engine
Control Module (ECM)

Page

01-12

).

Rapid data transfer

HELP

Select function XX

Indicated on display:

- Press buttons -1- and -5- for

function "Readiness code" and
confirm entry with -Q- button.

Readiness code

01-147

Must appear on display when all
diagnosis functions have been
successfully completed:

Readiness code

00000000 - Test complete

Indicated on display:

- Press

button.

- Press buttons -0- and -6- for

function "End output" and confirm
entry with -Q- button.

- Switch off ignition.

Readiness code

00101101 - Test not complete

Appears on display:

One of the diagnostic checks has not
run through successfully:

- Press

button.

- Generate readiness code

Page

01-149

.

Readiness code

01-148

Significance of figures in 8 digit number block, display zone 1 - Readiness code

The readiness code is generated only when all display zones show 0

1 2 3 4 5 6 7 8

Diagnostic function

0 Three Way Catalytic Converter (TWC)

0 Three Way Catalytic Converter (TWC) heating (currently no

diagnosis/always "0")

0

Evaporative Emissions (EVAP) Canister system (Tank

ventilation system)

0

Secondary air system

0

Air conditioner (currently no diagnosis/always "0")

0

Oxygen Sensor (O2S)s

0

Oxygen Sensor (O2S) heating

0

Exhaust gas recirculation (not installed/always "0")

Readiness code

01-149

Generating readiness code

Special tools, workshop
equipment, testers, measuring
instruments and auxiliary items
required

Note:

All functions which could previously
be performed with VAG 1551/1552
can also be performed with the
vehicle diagnostic, testing and
information system VAS 5051.

Test prerequisites

VAG 1551 scan tool (or VAG

1552) with VAG 1551/3 Adapter
cable

All fuses must be OK.

Readiness code