KB7 - Check VPWR Circuit Voltage
- Key "ON", engine "OFF".
- Canister Purge (CANP) valve disconnected.
- Measure voltage between VPWR at the CANP valve vehicle harness connector and battery ground.
- Is voltage greater than 10.5 volts?
Yes -- Go to KB8. KB8 - Check Continuity of CANP Circuit
No -- Service open in harness. Reconnect CANP valve. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)