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Interrogating control unit version > < System description of the anti-theft alarm with interior monitoring

A2

Body Self-diagnosis
Self-diagnosis for convenience system
Initiating self-diagnosis for the convenience system

Test requirements:

  • ◆ Voltage supply and fuses for the relevant systems OK
  • ◆ In order to initiate self-diagnosis, "terminal 15 on" is required (switch on ignition) and the vehicle must be unlocked.

Notes:

  • ◆ If the display remains blank, check voltage supply to V.A.G 1551 according to current flow diagram.

=> "Current Flow Diagrams, Electrical Fault-finding and Fitting Locations" binder

  • ◆ Depending on the program, additional operating information can be printed out by pressing the HELP key of V.A.G 1551.
  • ◆ The ⇒ key is used to continue the with programme sequence.
  • ◆ The PRINT key is used to switch on the printer (indicator lamp in key illuminates).
  • ◆ Connecting fault reader
  • ‒ Switch ignition on.
  • ‒ Switch on printer with the Print key (indicator lamp in key illuminates).
  • ‒ Press key -1- for "Rapid data transfer" operating mode.
 
→ Indicated on display:
Rapid data transfer     HELP
Enter address word XX

Address word for convenience system: 46
 
→ Indicated on display:
Rapid data transfer     HELP
Enter address word XX
  • ‒ Press keys -4- and -6-.
 
→ Display after address word 46 has been entered:
Rapid data transfer     Q
46 Central module - convenience system
  • ‒ Confirm entry with Q key.

The following display will then appear:
 
→ is displayed briefly
Rapid data transfer     
Tester sends address word 46

The following display will then appear:
 
→ Control unit identification V.A.G 1551 for the convenience system central control unit -J393 (convenience unit) is displayed, e.g.:
8Z0959433    Convenience unit    T01    01A2    "
Coding    04672    WSC 02313

At this point, it is possible to move on to the option "Rapid data transfer, select function" using the C key.

  • ‒ Press ⇒key.
 
→ is displayed briefly
Please wait

The following display will then appear:
 
→ The display on fault reader V.A.G 1551 shows the control unit identification code for the driver's side door control unit e.g.:
8Z1959801    Door control unit DS    BRM 5.90    "
  • ‒ Press ⇒key.
 
→ is displayed briefly
Please wait

The following display will then appear:
 
→ The display on fault reader V.A.G 1551 shows the control unit identification code for the passenger-side door control unit e.g.:
8Z1959802    Door control unit PS    BRM 5.90 "
  • ‒ Press ⇒key.
 
→ is displayed briefly
Please wait

The following display will then appear:
 
→ The display on fault reader V.A.G 1551 shows the control unit identification code for the rear-left door control unit (if installed) e.g.:
8Z1959801A    Door control unit RL    BRM 5.90    "
  • ‒ Press ⇒key.
 
→ is displayed briefly
Please wait

The following display will then appear:
 
→ The display on fault reader V.A.G 1551 shows the control unit identification code for the rear-right door control unit (if installed) e.g.:
8Z1959802A    Door control unit RR    BRM 5.90    "
  • ‒ Press ⇒ key.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX

Note:

  • ◆ In the case of systems without electric rear window lifters, the convenience system central control unit -J393 performs central locking for the rear doors. Accordingly, only the two front door control units are displayed.

Self-diagnosis functions

Page

01 - Interrogate control unit version
02 - Interrogate fault memory
03 - Final control diagnosis
05 - Erase fault memory
06 - End output
07 - Encode control unit
08 - Read measured value block
10 - Adaption

01-70

Notes:

  • ◆ A list of the possible functions is printed out after pressing the HELP key:
  • ◆ Further functions which are printed out after pressing the HELP key can be ignored.
  • ◆ After ending the function, V.A.G 1551 returns to the following initial setting:
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX

Interrogating control unit version > < System description of the anti-theft alarm with interior monitoring