01
Test of vehicle systems
Select function XX
Final control diagnosis
Charging pump off
Final control diagnosis
Charging pump on
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Self-Diagnosis/Electrical Test
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E F G H I P Q E R S I E
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-
Connect vehicle system tester V.A.G 1552.
Then, leave the engine running and select
the four-wheel drive control unit with the ad-
dress word 22 ⇒ page 01-10.
HELP
K Readout in display:
-
Select function 03 Final control diagnosis.
K Readout in display:
- →
-
Voltage supply for pump -V181- off (pump is
not operated).
-
Ignore readout.
-
Press → key.
- →
K Readout in display:
-
Haldex coupling pump -V181- must run.
If the pump does not run:
-
Perform electrical test ⇒ page 01-21, test
step 5.
-
Press → key.
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control diagnosis
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1
Edition 02.00
S00.5130.51.20