Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI199590 QUATTRO SPORT V6-2.8L (AAH)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL TESTINGWITH MMS 300 ENGINE MANAGEMENT SYSTEMREAD MEASURING BLOCK VALUES (FUNCTION 08)
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Read Measuring Block Values (Function 08)
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Read Measuring Block Values (Function 08)
Read Measuring Block Value
(VAG 1551 function 08)
Values and specifications in each display field are identical to those for "Basic Setting" function 04, without the learning functions.
For display group numbers 001 through 019 the display will show the respective display group numbers without the zeroes.
Requirements
- Engine coolant temperature 85°C (185°F) minimum
- A/C switched ON
- The two positive crankcase ventilation hoses on the cylinder head covers must not be disconnected when using the "Read Measuring Value Block" function.
Procedure
- Connect VAG 1551 scan tool. Refer to Connecting and Operating VAG 1551 Scan Tool With MMS 300 Engine Management System
- Advance through program until display appears as shown:
Rapid data transfer HELP
Select function XX
- Select function code.
- 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 based on the display group overview. Refer to Display Group Overview. Display Group Overview
- Display group 001 is used here as an example.
- Press buttons 0, 0, 1 to select display group 001
- Press Q button to enter input
- Display will appear as shown:
Read Measuring Block Value 1
1 2 3 4
NOTES:
Before selecting additional groups press the "C" button.
Values and specifications in each display field are identical to those for "Basic Setting" function 04, without the learning functions.
For display group numbers 001 through 019 the display will show the respective display group numbers without the zeroes.
If the printer is switched ON, the current display will be printed out.
The current display will be printed out each time the PRINT button is pressed.
If the specified values are not correct use the applicable diagnostic chart for the display group. Refer to Display Group Diagnostic Charts. Display Group Diagnostic Charts
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
(VAG 1551 function 08)
Values and specifications in each display field are identical to those for "Basic Setting" function 04, without the learning functions.
For display group numbers 001 through 019 the display will show the respective display group numbers without the zeroes.
Requirements
- Engine coolant temperature 85°C (185°F) minimum
- A/C switched ON
- The two positive crankcase ventilation hoses on the cylinder head covers must not be disconnected when using the "Read Measuring Value Block" function.
Procedure
- Connect VAG 1551 scan tool. Refer to Connecting and Operating VAG 1551 Scan Tool With MMS 300 Engine Management System
- Advance through program until display appears as shown:
Rapid data transfer HELP
Select function XX
- Select function code.
- 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 based on the display group overview. Refer to Display Group Overview. Display Group Overview
- Display group 001 is used here as an example.
- Press buttons 0, 0, 1 to select display group 001
- Press Q button to enter input
- Display will appear as shown:
Read Measuring Block Value 1
1 2 3 4
NOTES:
Before selecting additional groups press the "C" button.
Values and specifications in each display field are identical to those for "Basic Setting" function 04, without the learning functions.
For display group numbers 001 through 019 the display will show the respective display group numbers without the zeroes.
If the printer is switched ON, the current display will be printed out.
The current display will be printed out each time the PRINT button is pressed.
If the specified values are not correct use the applicable diagnostic chart for the display group. Refer to Display Group Diagnostic Charts. Display Group Diagnostic Charts
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
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.