ENGINE (J05E)/TROUBLESHOOTING
2–764
INSPECTION PROCEDURE: P1428
1.
Check the connection of the differential pressure sensor connector
(looseness and poor contact).
NO
YES
1.
Check the installation of the differential pressure sensor.
2.
Make sure there is no dirt, damage or clogging in the sensing unit
of the differential pressure sensor.
NO
YES
1
Inspect the differential pressure sensor connector
Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 2.
2
Inspect the differential pressure sensor
Was any failure found?
Clean the sensing unit and install it properly.
If damaged, replace the differential pressure
sensor.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 3.
