Passat Sedan V6-2.8L (ATQ) (2000)
Air Injection Pump: Testing and Inspection
With Generic Scan Tool
Secondary Air Injection (AIR) pump motor, checking
Recommended special tools and equipment
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V.A.G 1526 multimeter or V.A.G 1715 multimeter
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V.A.G 1594 Connector test set
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Wiring diagram
Test requirements
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The respective fuses of Secondary Air Injection (AIR) Pump Motor -V101- must be OK:
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Fuel Pump (FP) Relay -J17- must be OK, check:
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Secondary Air Injection (AIR) Pump Relay -J299- must be OK, check:
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Battery voltage must be at least 11.5 volts.
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All electrical consumers like, for example, lights and rear window heating must be switched off.
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Ignition switched off.
Test sequence
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Remove front noise insulation.
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Disconnect 2-pin connector -1- from Secondary Air Injection (AIR) Pump Motor -V101- -2-.
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Disconnect pressure hose (arrow) between Secondary Air Injection (AIR) Pump Motor -V101- and connecting line.
NOTE: To disengage, compress the buttons at the hose coupling.