Detection Condition

WARNING: This page is about a different car, the 2003 Mazda MPV and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

DTC is set, when PCM determines leak detection pump load current has not reached reference current value in a specified period of time (small leak). PCM measures leak detection pump load current after EVAP system is closed and following monitoring conditions are met.

Ignition is off.
Intake air temperature: 50-140°F (10-60°C).
Battery voltage: 11-14.5 volts.
Atmospheric pressure: 21.33 in. HG or more.
Fuel tank level: 15-85 percent.

This is an intermittent monitor. MIL is illuminated if PCM detects malfunction in 2 consecutive drive cycles.