heating AUDI A3 1997 8L / 1.G ATW Engine Additional Signals Workshop Manual

24-161

Test sequence

- Connect VAS5051 tester or VAG1551 scan tool
and select control module for engine electronics
using "address word" 01 Page 01
-10
. Engine
must run at idle.
Rapid data transfer
HELP
Select function XX

When indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block" and
press -Q- button to confirm input.
Read measurin
g value block
Q
Enter displa
y group number XXX

When indicated on display
- Press buttons -0-, -5- and -0- to select "display group number 050" and
press -Q- button to confirm input.
Read Measuring Value Block 50
1
2
3
4

Indicated on display(1 to 4 display fields) - Switch A/C system off.

Specified value in display field 4: Compr. OFF
- Switch A/C system on using "Auto" button and adjust A/C system to
maximum cooling or heating power. Compressor must run.
Specified value in display field 4: Compr. ON
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ge 8 of 27 Additional si
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- If there are no malfunctions in the wiring, check
function of A/C system.

Repair Manual, Heating & Air Conditioning,
Repair Group 01; On Board Diagnostic (OBD) of A/C system

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ge 10 of 27 Additional si
gnals, checkin
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play?action=Goto&t
yp
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pair&id=AUDI.B5.FU06.24.5