Operation CHARM: Car repair manuals for everyone.

KB1 - Check CANP Valve Electrical Operation

Diagnostic Trouble Code (DTC) 565 indicates Canister Purge (CANP) valve failure has been detected.

Possible causes:

- Damaged CANP valve.

- Damaged vacuum hose to CANP valve from manifold.

- Open in VPWR harness circuit.

- Open in solenoid control signal circuit.

- Short to power in solenoid control signal circuit.

- Short to ground in solenoid control signal circuit.

- Damaged Powertrain Control Module (PCM).

- Key "OFF".

- Key "ON", engine "OFF".

- Disconnect Canister Purge valve.

- Connect Analog Volt/Ohm Meter (VOM)/Digital Volt/Ohm Meter (DVOM) positive test lead to VPWR circuit and negative test lead to CANP circuit at the CANP valve vehicle harness connector.

- DVOM on 20 volt scale.

- While observing VOM/DVOM depress and release the throttle several times to cycle output.

- Does CANP circuit cycle 0.5 volt or greater?

Yes -- Remain in Output State test mode. Go to KB2. KB2 - Check CANP Valve Resistance

No -- Remove jumper. Go to KB6. KB6 - Check VPWR Circuit Voltage