Toyota ZZT230 series Repair Manual page 293

Dl-82
WIRING DIAGRAM
V6
Vapor Pressure Sesnsor
2
1
Engine Room JIB
EFI
EFI
5 Relay 3�
2
1
EFI
INSPECTION PROCEDURE
•
HINT:
•
If DTC P044 1 , P0446 ,
Ask
P0441 , P0446 , P0450 or P0451 . If no malfunction Is detected, troubleshoot
the customer whether, after the
ened it. Also ask the customer whether the fuel tank cap was loose when refuelling. If the fuel tank cap
•
loose,
was not it was the cause of the
not sure if it was loose, troubleshoot according to the following procedure.
Read freeze frame data using
records the engine conditions when the malfunction is detected. When troubleshooting, it is useful for
•
determining whether thevehiclewas running or stopped, the engine was warmed up or not, the air-fuel
ratio was lean or rich, etc. at the time of the malfunction.
ENGINE RUN
When the
VSV
for EVAP, charcoal canister and vapor pressure sensor.
R
111
L-8
3
8R
Instrument Panel
IN B-W
B-W 18
19
1 6
2C
B-W
1 5
B-W
12
2F
2H
W-8
FL MAIN
Battery
P0450 or P0451 is ou1put after
MIL came on, the customer found the fuel tank cap loose and tight­
DTC. If the fuel tank cap was not loose or if the customer was
TOYOTA hand-held tester or
TIME in the freeze frame data is less than 200 seconds, carefully check the
ENGINE
1
1
R
L-8
8R
J/8
V7VSV
(Pressure
2
Switching Valve)
5
111
1
V4VSV
(Canister Closed Valve)
2
1
vsvsv
2 1
G-0
t---�
-
DTC
P0440 or P0442, first troubleshoot
080 II
scan tool. Because freeze frame
ECM
2
VC
4
E2
T8P
CCV
4
EVP1
MREL
All9128
DTC
DTC
P0440 or P0442 next.