New Beetle L4-1.8L Turbo (AWP) (2003)
Read measuring value block 5
->
1
2
3
4
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Test drive vehicle with a 2nd person to observe display.
Observe the valid safety precautions when carrying out a road test.
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Observe figure displayed in display zone 3:
Specification: approx. driven speed
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Press -> button.
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Press buttons -0- and -6- for "End output" function and confirm input with -Q- button.
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Switch off ignition.
Continuation
If no speed is displayed:
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Remove inner plenum chamber cover, left
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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module (ECM) -J220- is not connected by this action.
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Connect multimeter to measure voltage between test box sockets 3 (terminal 15) + 54 (speed signal).
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Switch on ignition.
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Lift vehicle at front left.
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Rotate front wheel and observe voltage display.
Specification: between 0 and at least 4 Volt fluctuating