P1446: LEAK DETECTION PUMP VALVE CIRCUIT MALFUNCTION Kia Spectra I

Note. Leak Detection Pump module is also referred to as the diagnostic module tank leakage (DMTL). It incorporates a heater to dissipate condensation in the EVAP system.

Diagnostic Aids

Check for following possible problems

1. Open or short to battery between leak detection pump solenoid valve and ECM (terminal No. 18).
2. Short to ground between leak detection pump solenoid valve and ECM (terminal No. 18).
3. Faulty leak detection pump solenoid valve, in leak detection pump module.