On Board Diagnostic (OBD), Initiating Program

On Board Diagnostic (OBD), Initiating Program

Special tools, test equipment and auxiliary items
- VAS5051 Diagnostic Operation Center (DOC) and/orVAG1551 Scan Tool (ST).
- VAG1551/3 adapter cable

Test requirements
- Fuses OK(check using wiring diagram)
- Connect VAS5051 Diagnostic Operation Center (DOC) or
- Connect VAG1551 Scan Tool (ST).
- Ignition switched on

NOTE:
- If the VAG1551 display remains blank, check the power supply.
- Press the HELP button for additional operating instructions.
- Press the -> button to advance through the program sequence.
- An incorrect entry can be cancelled by pressing the -C- button.
- In "Rapid data transfer" operating mode 1, the "Automatic Test Sequence" (address word 00) can be carried out.This will automatically check the DTC memories of all of the control modules in the vehicle which have OBD capability.

- Switch ignition on.
- Switch printer on by pressing PRINT button (indicator light in button comes on).
- Press button -1- to select "Rapid data transfer" operating mode 1.

Indicated on display

Rapid data transfer HELP
Insert address word XX

Address word for headlight automatic vertical aim control: 55
- Press buttons -5- and -5- to insert address word 55.

Indicated on display

Rapid data transfer Q
55 - H. lamp. vert. aim ctrl.sys

- Press -Q- button to confirm input.

Indicated on display (after approx. 5 seconds)

4B0907357 Vertical Aim Control D00 ->
Coding 00003 WSC 06812

- 84B0907357: automatic vertical headlight aim control system control module identification (see also ET-program)
- D00: control module software version for headlight automatic vertical aim control
- Coding 00003: coding of headlight automatic vertical aim control control module
- WSC 06812: dealership number (example)

- Press -> button.

Rapid data transfer HELP
Control module does not answer

If the display shows one of the following messages, carry out troubleshooting procedures.

Indicated on display

Rapid data transfer HELP
Error in communication link

or

Rapid data transfer HELP
K wire not switching to Ground

or

Rapid data transfer HELP
K wire not switching to B+

or

Rapid data transfer HELP
Select function XX

- Press HELP button to print out list of all possible functions.
- Press -> button to advance through program sequence.

On Board Diagnostic (OBD) functions
The following functions are possible:
02 - Check DTC Memory Check DTC Memory (Scan Tool Function 02)
03 - Output Diagnostic Test Mode Output Diagnostic Test Mode (DTM) (Function 03)
05 - Erase DTC Memory
06 - End Output End Output (Function 06)
07 - Code Control Module
08 - Read Measuring Value Block Reading