volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Canister Purge Control Valve|Testing and Inspection|Page 3003 > < Front Exhaust Pipe With Catalytic Converter and Attachments Assembly Overview|Page 2998
Page 1
background image

Canister Purge Control Valve: Testing and Inspection

Evaporative Emission Canister Purge Regulator Valve, Checking

Special tools, testers and auxiliary items required

‹› multimeter.

‹› Wiring diagram.

Test requirements

‹› The Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) fuse OK.

‹› The ignition switched off.

‹› Voltage for the Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) is supplied via the Engine Component Power Supply Relay

(J757).

Test procedure

-

Perform a preliminary check to verify the customers complaint. Refer to --> [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check

Start diagnosis

-

Remove the engine cover with air filter.

-

Disconnect the Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) electrical harness connector -  8 -.

Canister Purge Control Valve|Testing and Inspection|Page 3003 > < Front Exhaust Pipe With Catalytic Converter and Attachments Assembly Overview|Page 2998