TT Quattro Coupe L4-1.8L Turbo (AMU) (2001)
Air Injection Vacuum Control Solenoid Valve: Testing and Inspection
Secondary Air Injection (AIR) Solenoid Valve -N112- Checking
Special tools and equipment
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VAG1526A
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VAG1527B
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VAG1594A
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VAG1598/31
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VAS5051 tester
or
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VAG1551 with VAG1551/3B
Test requirement:
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Output Diagnostic Test Mode (DTM) performed
Checking internal resistance
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Disconnect harness connector from Secondary Air Injection (AIR) valve -N112-.