A19285
CCV
Pressure Switching Valve
EVAP VSV
Cold Start
ECT/IAT nearly the same temp.
Negative
Pressure
Introduction
Tank & Canister
Leak Check
Pressure Switching
Valve, CCV Testing
Open
Closed
Open
Closed
Open
Closed
Closed
Closed
Open
P0441
P0442, P0456
P0446
−
DIAGNOSTICS
ENGINE (1ZZ
−
FE)
DI
−
203
2005 CELICA (RM1131U)
DTC No.
DTC Detecting Condition
Trouble Area
P0441
Pressure in charcoal canister and fuel tank does not drop dur-
ing purge control (2 trip detection logic)
S
Vacuum hose is cracked, holed, blocked, damaged or discon-
nected ((1), (2),
(3), (4), (5), (6), (7), (8), (9), (10) and (11) in
Fig. 1)
S
Fuel tank cap is incorrectly installed
S
Fuel tank cap is cracked or damaged
S
Open or short in vapor pressure sensor
circuit
S
Vapor pressure sensor
S
Open or short in VSV circuit for EVAP
S
EVAP VSV
S
Open or short in VSV circuit for CCV
S
CCV
S
Open or short in VSV circuit for pressure switching valve
S
Pressure switching valve
S
Fuel tank is cracked, holed or damaged
S
Charcoal canister is cracked, holed or damaged
S
Fuel tank over fill check valve is cracked or damaged
S
ECM
Negative pressure incoming in the charcoal canister and fuel
tank does not stop during purge cut
−
off. (2 trip detection logic)
P0446
No rising of the fuel tank pressure when commanding the CCV
to open after the EVAP leak test
No changing of the fuel tank pressure when commanding the
pressure switching valve to be checked after the EVAP leak
test
A high negative pressure (vacuum) does not occur in the sys-
tem when commanding the EVAP VSV to open with the CCV
closed
HINT:
Typical DTC output of each trouble part is shown in the table below.
Trouble part
Typical DTC output (*1)
Small Leak
”P0442” and / or ”P0456” (*2)
Medium Leak (ex: Vacuum hose loose)
P0442
Large Leak (ex: Fuel tank cap loose)
P0442, P0441 and P0446
EVAP VSV
Open Malfunction
P0441
Close Malfunction
P0442, P0441 and P0446
CCV
Open Malfunction
P0442, P0441 and P0446
Close Malfunction
P0446
Pressure Switching Valve
Open Malfunction
P0446
Close Malfunction
P0442, P0441 and P0446
*1: ECM may output some other DTC combination.
*2: Refer to P0442 and P0456 on page DI
−
278.
401
Summary of Contents for Celica 2005
Page 72: ...PP0K9 10 PREPARATION IGNITION PP 21 2005 CELICA RM1131U EQUIPMENT Spark plug cleaner 71 ...
Page 219: ...A21571 DI 20 DIAGNOSTICS ENGINE 1ZZ FE 2005 CELICA RM1131U 218 ...
Page 260: ... DIAGNOSTICS ENGINE 1ZZ FE DI 61 2005 CELICA RM1131U MEMO 259 ...
Page 261: ...DI 62 DIAGNOSTICS ENGINE 1ZZ FE 2005 CELICA RM1131U MEMO 260 ...
Page 400: ... DIAGNOSTICS ENGINE 1ZZ FE DI 201 2005 CELICA RM1131U MEMO 399 ...
Page 512: ...A21571 DIAGNOSTICS ENGINE 2ZZ GE DI 313 2005 CELICA RM1131U 511 ...
Page 699: ...DI 500 DIAGNOSTICS ENGINE 2ZZ GE 2005 CELICA RM1131U MEMO 698 ...
Page 879: ...A21571 DI 680 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E 2005 CELICA RM1131U 878 ...
Page 880: ...A21572 A22718 A22768 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E DI 681 2005 CELICA RM1131U 879 ...
Page 881: ...A21573 DI 682 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E 2005 CELICA RM1131U 880 ...
Page 882: ...A21575 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E DI 683 2005 CELICA RM1131U 881 ...
Page 970: ...A21571 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E DI 769 2005 CELICA RM1131U 969 ...
Page 971: ...A21572 A22718 A22768 DI 770 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E 2005 CELICA RM1131U 970 ...
Page 972: ...A21573 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E DI 771 2005 CELICA RM1131U 971 ...
Page 973: ...A21575 DI 772 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E 2005 CELICA RM1131U 972 ...