Operation CHARM
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Audi
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1998
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A6 Wagon (4A5) V6-2.8L (AHA)
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Air Injection
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Air Injection Pump Relay
Air Injection Pump Relay
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Testing and Inspection
Checking Secondary Air Injection (AIR) Pump Relay
Secondary Air Injection (AIR) Pump Motor and Relay, Checking
Locations
Diagrams
Diagnostic Aids
Troubleshooting Basics
Basic Electricity
Checking For Voltage
Checking Ground Connection
Checking Wiring and Components
Checking For Short Circuit to Ground
Checking For Voltage Drop
Handling Components and Connectors
Tools and Equipment
LED Test Light
Multimeter or Volt/Ohm Meter
Test Kits
Computer Memory Saver
Troubleshooting Program
Electrical Diagrams
