Test Notes

Enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Canister Vent (CV) solenoid
- CV solenoid elbow
- CV solenoid - hose assembly
- Fuel filler cap
- Fuel tank pressure sensor
- Evaporative (EVAP) canister tube (fuel tank to canister)
- Fuel canister purge outlet tube (EVAP canister to EVAP canister purge valve
- EVAP return tube (EVAP canister purge valve to intake manifold)
- EVAP canister purge valve
- Vacuum line (EVAP canister purge valve to intake manifold)
- Harness circuits: CV, FLI, FTP, EVAP Canister Purge Valve, SIG RTN, Vehicle Power (VPWR), Reference Voltage (VREF) and power ground (PWR GND)
- Powertrain control module

This pinpoint test is used as an assistance in diagnosing the following EVAP components:
- EVAP canister
- Fill limit valve assembly
- Fuel filler pipe flapper valve
- Fuel filler pipe check valve assembly
- Fuel tank filler pipe
- Fuel tank assembly (with fuel vapor vent valve)
- Fuel tank assembly (without fuel vapor vent valve)
- Fuel vapor control valve
- Fuel vapor vent valve
- Liquid/vapor fuel discriminator
- On-board refueling vapor recovery (ORVR) T - connector assembly