volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Air Cleaner Housing|Service and Repair|Page 1557 > < With Manufacturer's Scan Tool|Page 1553
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Air Cleaner Housing: Service and Repair

1

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Harness connector
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Black, 2-pin

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For Positive Crankcase Ventilation (PVC) heating element -N79-

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Check heater element voltage supply between terminals 1 and 2 with engine running:

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Specified value: at least 11.5V

2

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Connecting hose
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For air circulation of fuel injectors

3

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Intake hose
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Note installation position

4

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Mass Air Flow (MAF) sensor -G70- with Intake Air Temperature (IAT) sensor -G42-*
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Checking -G70-. Refer under "Powertrain Management/Computers and Control Systems/Air Flow Meter/Sensor", See: Powertrain
Management/Computers and Control Systems/Air Flow Meter/Sensor/Testing and Inspection 

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Checking - G42-. Refer under "Powertrain Management/Computers and Control Systems/Air Temperature Sensor", See: Powertrain
Management/Computers and Control Systems/Intake Air Temperature Sensor/Testing and Inspection 

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Sensor and harness connector terminals are gold plated

5

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Harness connector
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Black, 5 pin

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Sensor and harness connector terminals are gold plated

6

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Seal
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Always replace if damaged

7

-

Air cleaner upper section

Air Cleaner Housing|Service and Repair|Page 1557 > < With Manufacturer's Scan Tool|Page 1553