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

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Inspection procedure
Hint: if dtcs p0115, p0116, p0117, p0118 and p0125 are output simultaneously, the engine coolant temperature sensor circuit may be open or short. Perform the troubleshooting of dtc p0115, p0117 or p0118 first. Read freeze frame data using the hand-held tester or the obd ii scan to ...

Foamed material application areas
If an increase in temperature or other condition damages the foamed material when repairing or replacing the panel, fill in the insufficient areas with urethane foam. The following illustration shows the areas for one side, but the foamed material must be applied equally to both the left and r ...

Circuit description
In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...