Touareg V8-4.2L (BHX) (2004)
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Remove pressure hose between Secondary Air Injection (AIR) Pump Motor and pressure line at Secondary Air Injection (AIR) Pump Motor.
‹› To disengage, compress the buttons at the hose coupling.
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Connect Secondary Air Injection (AIR) Pump Motor to the B+ and Ground (GND) terminals of the battery using the respective adapter cables.
The Secondary Air Injection (AIR) Pump Motor must start up and air must escape at compressed-air connection (arrow).
If the motor does not start up, or no air or only very little air escapes:
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Disconnect connection between Secondary Air Injection (AIR) Pump Motor and battery.
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Replace Secondary Air Injection (AIR) Pump Motor (V101)
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Erase DTC memory of Engine Control Module (ECM) , Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If motor starts, and air escapes:
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Disconnect connection between Secondary Air Injection (AIR) Pump Motor and battery.
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Remove Secondary Air Injection (AIR) Pump Relay (J299).