Toyota Camry Manual page 1339

DI–312
WIRING DIAGRAM
Vapor Pressure Sensor
Engine Rom J/B
FL MAIN
5
1
EFI
From
2A
5
2C
2
EFI Relay
W–B
EB
INSPECTION PROCEDURE
D
If DTCs P0441, P0446, P0450 or P0451 is output after DTC P0440, first troubleshoot DTCs P0441,
P0446, P0450 or P0451. If no malfunction is detected, troubleshoot DTC P0440 next.
D
Ask the customer whether, after the MIL came on, the customer found the fuel tank cap loose and tight-
ened it. Also ask the customer whether the fuel tank cap was loose when refuelling. If the fuel tank cap
was not loose, it was the cause of the DTC. If the fuel tank cap was not loose or if the customer was
not sure if it was loose, troubleshoot according to the following procedure.
D
Read freeze frame data using TOYOTA hand–held tester or OBD II scan tool. Because freeze frame
records the engine conditions when the malfunction is detected, when troubleshooting it is useful for
determining whether the vehicle was running or stopped, the engine warmed up or not, the air–fuel
ratio lean or rich, etc. at the time of the malfunction.
D
When the ENGINE RUN TIME in the freeze frame data is less than 200 seconds, carefully check the
VSV for EVAP, charcoal canister and vapor pressure sensor.
DIAGNOSTICS
3 Y
2 L–R
1 BR
Junction
Connector
3
2
B
B–Y
2J J27
E J28
7
B–W
2K
1
C
J35
Junction
Connector
C
J35
– ENGINE (1MZ–FE)
5
Y
ID1 II1
1
IA1
2 4
BR
ID1 II1
J23
Junction
Connector
B B–Y
9
B–Y
II3
J28
A
ID1 10
B–Y
1
VSV for Vapor
Pressure Sensor
2
V
Author :
2
3
Y
VC
E10
17
L–R
PTNK
E7
18
BR
E2
E10
VSV for EVAP
7
EVP1
B–Y LG
E10
A
2
1
9
2
TPC
V
ID1 E7
8
B–W
MREL
E7
Date :
ECM
5V
E1
E01
E01
B+
A07447
547