DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA CHART

DTC detecting condition	Trouble area
DTC P1424: Initial pressure (P1) minus reference pressure (P2) is more than 4.5 kPa. (2 driving cycle detection logic) DTC P1425: Initial pressure (P1) minus reference pressure (P2) is more than 0.2 kPa or less than 1.0 kPa. and EVAP system maximum pressure (P3) minus reference pressure (P2) is more than 0.2 kPa (2 driving cycle detection logic)	EVAP leak check module and/or its circuit ECM

DTC detecting condition

Trouble area

DTC P1424:
Initial pressure (P1) minus reference pressure (P2) is more than 4.5 kPa.
(2 driving cycle detection logic)
DTC P1425:

Initial pressure (P1) minus reference pressure (P2) is more than 0.2 kPa or less than 1.0 kPa.

and

EVAP system maximum pressure (P3) minus reference pressure (P2) is more than 0.2 kPa

(2 driving cycle detection logic)