Toyota ZZT230 series Repair Manual page 316

WIRING DIAGRAM
Refe r
to DTC P0440 on
INSPECTION PROCEDURE
•
HINT:
P044 6
•
If DTC P0441, P0446,
P0450
r
Read freeze frame data using TOYOTA hand-held
o
rds the
ec
•
determining
r atio
was lean
the
When
VSV for EVAP,
Check voltage between terminals VC and E2 of ECM connector (See page
1
01-81).
)
2 Check voltage betwee n tarmlnals
Dl-a1).
Check tor open and short in harness and connector between vapor pressure
3
sensor and ECM (See page IN-30).
DIAGNOSncs
page
Dl-81.
P0450 P0451
or
or
P0451 . If no malfunction is
ng
e e conditions when the malfunction is detected. When troubleshooting,
in
whether the vehicle
was running
the
or
rich, etc. at time of
the
ENGINE RUN TIME in
cha r coal and vapor
cani s t e r
sensor.
ENGINE
ft
e
out p ut r
is a DTC
lesh
detected, t
r
o ub
tester
or OBD II
the engine was warmed
or st o pped,
the
malfunction.
frame data is Jess tha
f r e eze
.
se o
pressure r
ns
B Ch o ck and repl a ce ECM ( S ee page
PTNK E2
of ECM connectors (See page
and
repl a ce
or
P0440, s troubl e shoot
r
fi t
ot P0440 next.
o DTC
scan tool. Because freeze frame
up
not. the air-fuel
o
r
200 seconds, carefully check the
n
e
o
harness or c nn
01-105
P0441,
DTC
is useful for
it
N-3 )
0
.
I
r .
o
ct