TT Coupe L4-1.8L Turbo (ATC) (2001)
Checking voltage supply
NOTE: Voltage supply test of Evaporative Emission (EVAP) canister purge solenoid valve -N115- is performed via Fuel Pump (FP) relay.
Test requirements
NOTE:
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Parking brake engaged
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Vehicles with manual transmission: shift lever in neutral.
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Vehicles with automatic transmission: selector lever in P or N.
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Fuse for Evaporative Emission (EVAP) Canister Purge Regulator Valve -N115- OK
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Disconnect connector at Evaporative Emission (EVAP) canister purge solenoid valve -N115-.
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Connect VAG1527B voltage tester as follows:
Electrical harness connector
Measure to
terminal number
1
Ground (GND)
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Operate starter briefly (OK for engine to start).
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LED must light.
If LED does not light:
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Check electrical wire connection from terminal / via fuse to Fuel Pump (FP) relay for open circuit.
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Repair open circuit if necessary.
If wire connection is OK:
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Check Fuel Pump (FP) relay.
If LED lights:
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Check activation.
Checking activation
NOTE: Voltage supply OK