Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Evaporative emission control
system pressure sensor
Toyota Corolla (E120): Evaporative emission control system pressure sensor
Dtc p0451 evaporative emission control system pressure sensor range/performance
Dtc p0452 evaporative emission control system pressure sensor/switch low input
Dtc p0453 evaporative emission control system pressure sensor/switch high input
Other materials:
Evap monitor (vacuum pressure monitor) (continued)
Preconditions
The monitor will not run unless:
mil is off.
Fuel level is approximately 1/2 to 3/4.
Altitude is 7800 feet (2400 m) or less.*
Engine coolant temperature (ect) is between 40°f and 95°f (4.4 °C and 35
°C).
Intake air temperature (iat) is between 40°f and 95 ...
Brake fluid
■ Checking fluid level
The brake fluid level should be between the “MAX” and “MIN” lines on the tank.
■ Adding fluid
Make sure to check the fluid type and prepare the necessary item.
1 Slide and lift up the rubber strip to partially remove it as shown.
2 Disconnect the ...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-board
computer.
Never leave the keys inside the vehicle when you leave the vehicle.
Vehicles without a smart key system: The indicator li ...