DI–16
–DIAGNOSTICS ENGINE
2000 CELICA (RM744U)
P0440
(DI–81)
Evaporative Emission Control
System Malfunction
SHose or tube cracked, hole, damaged or loose seal
SFuel tank cap incorrectly installed
SFuel tank cap cracked or damaged
SVacuum hose cracked, hole, blocked,damaged or discon-
nected
SFuel tank cracked, hole or damaged
SCharcoal canister cracked, hole or damaged
SOpen or short in vapor pressure sensor circuit
SVapor pressure sensor
SFuel tank over fill check valve cracked or damaged
SECM
f f
P0441
(DI–87)
Evaporative Emission Control
System Incorrect Purge Flow
SVacuum hose cracked, hole, blocked damaged or discon-
nected
SOpen or short in vapor pressure sensor circuit
SVapor pressure sensor
SOpen or short in VSV circuit for EVAP
P0446
(DI–87)
Evaporative Emission Control
System Vent Control Malfunction
SVSV for EVAP
SOpen or short in VSV circuit for vapor pressure sensor
SVSV for vapor pressure sensor
SCharcoal canister cracked, hole or damaged
SFuel tank over fill check valve cracked or damaged
SECM
f f
P0450
(DI–104)
Evaporative Emission Control
System Pressure Sensor Mal-
function
SOpen or short in vapor pressure sensor circuit
P0451
(DI–104)
Evaporative Emission Control
System Pressure Sensor Range/
Performance
SVapor pressure sensor
SECM
f f
P0500
(DI–106)
Vehicle Speed Sensor Malfunc-
tion
SCombination meter
SOpen or short in vehicle speed sensor circuit
SVehicle speed sensor
SECM
f f
P0505
(DI–109)
Idle Control System Malfunction
SOpen or short in IAC valve circuit
SIAC valve is stuck or closed
SOpen or short in A/C switch circuit
SAir induction system
SECM
f f
*
1
: f @@@ MIL lights up
