Read Measuring Value Block, initiating

Start engine.
Set "AUTO" mode on the A/C control head -E87- (compressor is switched on).
Connect VAG 1551 Scan Tool, insert address word 08 "AC/Heating Electronics" and move forward in the program until "Select function XX" is displayed. See VAG 1551 ((VAG 1552) SCAN TOOL (ST), CONNECTING AND SELECTING FUNCTIONS .

Indicated on display (function selection)

Fig 1: Scan Tool Display - Read Measuring Value Block (1 Of 6)

Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 2: Scan Tool Display - Read Measuring Value Block (2 Of 6)

Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 3: Scan Tool Display - Read Measuring Value Block (3 Of 6)

Courtesy of AUDI OF AMERICA, INC.

Input display group number list. See OVERVIEW OF DISPLAY GROUP NUMBERS WHICH CAN BE SELECTED .
Press -Q- button to confirm input.

Indicated on display

Fig 4: Scan Tool Display - Read Measuring Value Block (4 Of 6)

Courtesy of AUDI OF AMERICA, INC.

NOTE:

If the printer is switched on, the current readout in the display is printed out on paper strip.
The position of the flaps can be altered by operating the push-buttons on -E87- also during OBD.

Select another display group:

Indicated on display

Fig 5: Scan Tool Display - Read Measuring Value Block (5 Of 6)

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Input display group number.
If the specified values are achieved in all the display fields:
Press => button.

Indicated on display

Fig 6: Scan Tool Display - Read Measuring Value Block (6 Of 6)

Courtesy of AUDI OF AMERICA, INC.

NOTE: After completing output diagnostic test mode, check DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING (FUNCTION 02) .