Reading Measuring Value Block (Function 08)

***THIS ARTICLE REFLECTS CHANGES MADE BY TSB # 019503, DATED JUNE 6, 1995.

WARNING

When instructed in the table to check wiring, do so by visual inspection only. DO NOT perform continuity tests or test airbag igniter circuits.

Check wiring only with ignition switched OFF.

NOTE:
Three measuring value block display groups each have four display fields that can be read. For troubleshooting however, only the data in display group 1 and in display field 1 of display group 2 are used.

Diagnostic Display Groups:

REQUIREMENTS

^ VAG 1551 Scan Tool (ST) connected.
^ Operating mode: "Rapid data transfer"
^ Address word 15 for "Airbag" entered.

^ Press --> button.

Indicated on display:
(clear for function selection)

Rapid data transfer HELP
Select function XX

^ Press buttons 0 and 8 to select the "Read Measuring Value Block" function.

Indicated on display:

Rapid data transfer HELP
08 - Reading Measuring Block Value

^ Press Q button to confirm input.

Indicated on display:

Read measuring block value
Input display group number XX

^ Select display group number
(example: press buttons 0 and 1 to select display group 01).

^ Press 0 button to confirm input.

Indicated on display:

Read measuring value block 1
XXXX XXXX XXXX XXXX

^ All values in display fields OK:

^ Press --> button.

Indicated on display:
(clear for function selection)

Rapid data transfer HELP
Select function XX

NOTE:
After completing function 08 "Read Measuring Value Block" check DTC Memory.