Rear Spoiler OBD, Initiating

Rear Spoiler OBD, Initiating

Test Prerequisites
- Voltage supply and fuses for the respective system OK.
- To initiate the On Board Diagnosis (OBD) the ignition must be switched on "Terminal 15 on".

NOTE:
- If the display remains blank, check VAG1551 voltage supply referring to Electrical Wiring Diagram.
- Additional operating information can be printed out depending on the program by pressing the HELP button of VAG1551.
- The arrowright button serves to advance the program sequence.
- The PRINT button is used for switching on the printer (warning lamp in button lights up).
- Connecting scan tool - Scan Tool, Connecting.

- Switch on ignition.
- Switch on printer with the Print button (indicator lamp in button lights up).

Indicated on display:

Rapid data transfer HELP
Enter address word XX

Address Word for Rear Spoiler

Indicated on display:

Rapid data transfer HELP
Enter address word XX

- Press buttons 5 and 4.

Indicated on display after entering address word 54:

Rapid data transfer Q
54

- Confirm entry with Q button.

and the following is indicated on display:

Indicated on display:

Rapid data transfer
Tester sends address word 54

The Scan tool VAG1551 display will show the control unit identification, e.g.:

1C0959733B Rear spoiler 0001 arrowright

- Press arrowright button

Indicated on display:

Rapid data transfer HELP
Select function XX

NOTE:
- If one of the malfunction messages opposite appears in the display, the possible causes of the malfunction can be printed out with the HELP button.

Rapid data transfer HELP
Control unit does not answer

- When doing this the ignition must be switched on.

Rapid data transfer HELP
K wire not switching to positive.

- Malfunctions have occurred at the start of or during the program (external interference?).

Rapid data transfer arrowright
No signal from control unit.

- Check diagnosis wires as well as voltage supply and ground (GND) connection.

Rapid data transfer arrowright
Fault in communication build up

- After repairing the possible causes of the malfunction, once again enter the address word 54 for "Rear spoiler" and confirm with the Q button.

Indicated on display after entering the address word 54:

Rapid data transfer
Tester sends address word 54

The scan tool VAG1551 display will show the control unit identification, e.g.:

1C0959733B Rear spoiler 0001 arrowright

- Press arrowright button.

Indicated on display:

Rapid data transfer HELP
Select function XX

NOTE:
- A list of possible functions is printed out after pressing the HELP button.
- Do not select further functions, which can be printed out after pressing the HELP button.
- After the functions have been completed the VAG1551 returns to the following start position: