TT Roadster L4-1.8L Turbo (AWP) (2003)
Canister Purge Control Valve: Testing and Inspection
With Generic Scan Tool
Evaporative Emission (EVAP) Canister Purge Regulator Valve, Checking
Solenoid valve is closed when no voltage is present.
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirements
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Fuse for Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- OK
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Fuel Pump (FP) Relay -J17- OK
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Ignition switched off.
Test sequence
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Disconnect 2-pin connector -1- from Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- (-2-).
Engine codes AMU, ATC
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Measure resistance between terminals of solenoid valve.
Specified value: 22.0...30.0 Ohm
Engine codes AWP, BEA
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Measure resistance between terminals of solenoid valve.
Specified value: 22.0...30.0 Ohm
Continuation for all vehicles
If specified value is not obtained:
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Replace Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-, item 8.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase
Diagnostic Data
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Audi