GTI V6-2.8L (BDF) (2002)
Canister Purge Control Valve: Testing and Inspection
With Manufacturer's Scan Tool
EVAP canister purge regulator valve -N80-, checking
In a no-current situation the solenoid valve is closed.
Special tools and equipment
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V.A.G 1551 Scan Tool (or vehicle system tester V.A.G 1552) with cable VAG 1551/3
Note: All functions which could previously be performed with V.A.G. 1551/1552 can also be performed with the new tester VAS 5051.
Test conditions
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The fuses must be OK.
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The battery voltage must be at least 11.5 V.
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All electrical consumers, e.g. lights and rear window heating must be switched off.
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If the vehicle is equipped with air conditioning, this must be switched off.
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Selector lever must be in position "P" or "N" on models with an automatic transmission.
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Fuel pump relay -J17- must be OK, checking:
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations
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No DTC's may be stored in DTC memory:
Refer to Powertrain Management
Checking activation
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Check activation of EVAP canister purge regulator valve -N80- via output Diagnostic Test Mode (DTM):
Refer to Powertrain Management
If activation is OK:
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Perform functional check.
Functional check
Test conditions
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Coolant temperature must be at least 85°C,Refer to display group 1, display zone 2.
Test sequence
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Connect V.A.G 1551 Scan Tool (or V.A.G 1552). Start engine and select "Address word" 01 of engine control module.
Refer to Powertrain Management