New Beetle Convertible L5-2.5L (BPS) (2006)
If the specified value in the chart was Not obtained:
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Replace the MAF / IAT sensor (G70 / G42).
If the specified value was obtained:
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Continue the test according to the following table:
Checking Component and wiring
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Disconnect the MAF / IAT sensor (G70 / G42) electrical harness connector.
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Using a multimeter, connect the positive lead to the MAF / IAT sensor (G70 / G42) harness connector terminal 2 and the negative lead to an
engine ground.
Specified value: Near 5 V
If the specified value was Not obtained:
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Check the wiring for an open, high resistance or short to ground.
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Check the harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring or connection.
If voltage was not present and no malfunction is detected in the signal circuit:
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Replace the Motronic Engine Control Module (ECM) (J220). Refer to the Repair Information.
If the specified value was obtained:
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Using a multimeter, connect the positive lead to Battery + and the negative lead to the MAF / IAT sensor (G70 / G42) harness connector terminal
1.
Specified value: Battery voltage.
If the specified value was Not obtained: