S4 V8-4.2L (BHF) (2004)
Air Injection Pump Relay: Testing and Inspection
Secondary Air Injection (AIR) Pump Relay -J299- and Activation, Checking
Secondary Air Injection (AIR) Pump Relay -J299- And Activation, Checking
Recommended special tools and equipment
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V.A.G 1526A multimeter
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V.A.G 1527 B Voltage Tester
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V.A.G 1594A connector test kit
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V.A.G 1598/31 test box
Test requirements:
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Battery voltage at least 12 V
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Fuse for secondary air pump -S130- (50 A) -item 7- in 3-pin relay carrier, E-box plenum chamber, OK