Tiguan 4Motion (5N1) L4-2.0L Turbo (CCTA) (2009)
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If the specified value was Not obtained:
If the manufacturers test box is being used, perform the following step.
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Install the test box.
If the manufacturers test box is not being used, perform the following step.
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Remove the Motronic Engine Control Module (ECM) ( J623).
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Using a multimeter, check the Mass Air Flow (MAF) Sensor (G70) electrical harness connector terminals to the Motronic Engine Control Module
(ECM) (J623) electrical harness connector T94 terminals for an open circuit.
Specified value: 1.5 ohms max.
If the specified value was Not obtained:
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Check the wiring for an open, high resistance or short to power or ground.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring and the voltage supply was OK:
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Replace Mass Air Flow (MAF) Sensor (G70).
If no malfunction is detected in the wiring and the voltage supply was Not OK:
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Replace the Motronic Engine Control Module (ECM) (J623).
Final procedures
