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Toyota Corolla Repair Manual: Evaporative emission control system pressure sensor

Toyota Corolla Repair Manual / Diagnostics / Sfi system / 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

Inspection procedure
Handheld tester: 1 Check fuel tank cap assy(check that fuel tank cap is toyota genuine parts) 2 Check that fuel tank cap is correctly installed 3 Inspect fuel tank cap assy 4 Check f ...

Monitor description
Dtc p0451, p0452 or p0453 is recorded by the ecm when the vapor pressure sensor malfunctions. P0451 The ecm senses pressure in the fuel tank using the vapor pressure sensor. The ecm supplies t ...

Other materials:

Circuit description
The side airbag sensor assy (lh) circuit consists of the diagnosis circuit and lateral deceleration sensor, etc. It receives signals from the lateral deceleration sensor, judges whether or not the srs must be activated, and detects diagnosis system malfunction. Dtc b1141/33 is recorded wh ...

Replacement
1. Remove battery 2. Remove battery carrier Remove the 4 bolts and battery carrier. 3. Disconnect floor shift cable transmission control shift Remove the nut from the control shaft lever.  disconnect the control cable from the control shaft lever.  remove the clip a ...

Inspection procedure
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453 (evaporative pressure sensor) is output with dtc p0442 or p0456, ...

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