9
9-7
4st 25/30 2022
,i«>ÀÊ>`ÊVi>ÊÀ
Ài«>ViÊ`iviVÌÛiÊ«>ÀÌð
,i«>ViÊvÕiÊÀi}Õ>ÌÀ°
Normal?
Measure fuel pressure.
Check fuel filter for clogging
and dirt, and piping for leak.
Specified range?
,i«>ÀÊÀÊÀi«>Vi
`iviVÌÛiÊ«>ÀÌð
Check output from ECU to
fuel feed pump (FFP).
Conductive?
Output signal
exists?
Check operation of
fuel feed pump (FFP).
Check electrical conductivity
of wire harness and fuse.
Operating noise
heard?
,i«>Vi
vÕiÊvii`Ê«Õ«Ê*®
9-
"
"
"
9-
"
"
9-
Go to next page.
9-
9-
iVÊÀÊÀi«>ViÊ1
ÀÊL>ÌÌiÀÞ°
,i«>ViÊiVÌÀ°
Normal?
Check injector clogging
and resistance.
9-
"
Fuel System
Use the "Air purging for high pressure fuel circuit"
function in the diagnosis menu and check the
operation of the fuel feed pump (FFP).
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