Read Measuring Block Value Procedure
PERFORMING "READ MEASURING BLOCK VALUE" USING ADDRESS WORD 01Address Word 01 functions are only accessable with the VAG 1551 Scan Tool or the VAG 1552 Scan Tool. Diagnosis with a Generic Scan Tool is possible using the diagnostic modes of Address Word 33. The VAG Scan Tools are also capable of accessing the Address Word 33 diagnostic modes.
PROCEDURE
Data Link Connector Cover:
- Remove Data Link Connector (DLC) cover located in front tray of center console.
Connecting VAG 1551 Scan Tool:
- Connect Scan Tool VAG Scan Tool using adaptor cable VAG 1551/3 to Data Link Connector (DLC). Refer to Diagnosis with Address Word 01 for proper connection and operation of the VAG Scan Tool. Diagnosis with Address Word 01
- Start engine and let idle.
- Advance through program until display appears as shown:
Rapid data transfer HELP
Select function XX
- Press 0 and 8 buttons to select function 08 "Read Measuring Block Value"
- Display will appear as shown:
Rapid data transfer Q
08 - Read Measuring Block Value
- Press Q button to enter input
- Display will appear as shown:
Read Measuring Block Value HELP
Input display group number XXX
- Select the desired display group by inputing the 3 digit display group number. Refer to the Display Group Overview Charts for a description of the data displayed for each Display Group.
Example: Display group 000.
- Press 0 button three times to select Read Measuring Block Value display group 000.
- Press Q button to enter input
- Display will appear as shown:
Read Measuring Block Value 0 ->
1 2 3 4 5 6 7 8 9 10
NOTES:
The display groups are identical to those described under "Basic Setting" function 04.
The scan tool does not display zeros in display group numbers.
The displayed values for display group 000, channels 1 to 10 are in decimal form. Refer to the display group overview chart for display group 000 for conversion to actual values.
If the printer is switched ON, the current display will be printed out (VAG 1551 only).
Actual engine values are displayed in this block of ten display fields. If the engine is OK, the actual data must correspond to the specified display values.
If values do not correspond to specified value the values can be checked using "Basic Setting" function 04 to eliminate the influence of the Evaporative Emissions system, EGR system and idle stabilization.
Idle mixture is adjusted automatically in engine basic setting by O2S control adaptive learning.
When in "Read Measuring Value Block" function 08, pressing button -1- on VAG 1551 scan tool will automatically switch to "Basic Setting" function 04. To switch back to "Read Measuring Value Block" function 08, press button -3-.
- Compare the displayed values to the values in the Display Group Diagnostic Charts for the coresponding display groups.
- Press the "C" button before selecting another display group.
If the specified values are obtained in all channels:
- Press the "Arrow" button
- Display will appear as shown:
Rapid data transfer HELP
Select function XX
- Press 0 and 6 buttons to select function 06 "End output"
- Display will appear as shown:
Rapid data transfer Q
06 - End output
- Press Q button to enter input
- Display will appear as shown:
Rapid data transfer HELP
Input address word XX