volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 2767 > < With Manufacturer's Scan Tool|Page 2765
Page 6
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Disconnect 5-pin harness connector from Mass Air Flow (MAF) sensor -G70- with
Intake Air Temperature (IAT) sensor -G42- (arrow).

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Check wiring between test box and 5-pin harness connector -1- for open circuit according to wiring diagram.
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Terminal -1- + socket 26

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Terminal -3- + socket 27

Wire resistance: max. 1.5 ohms

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Check wiring additionally for short circuit to battery positive (B+). 
Specified value: infinity ohms

If no malfunction is found in wiring:

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