Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Mass or volume air flow circuit range/performance problem

Toyota Corolla (E120): Mass or volume air flow circuit range/performance problem

Dtc p0101 mass or volume air flow circuit range/performance problem

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Initialization
1. Reset memory Caution: perform the reset memory (at initialization) when replacing the automatic transaxle assy, engine assy or ecm. Notice: hand–held tester only Turn the ignition switch off.  connect the hand–held tester to the dlc3.  turn the ignition switch to th ...

Inspection and adjustment procedure
1 Tire valve 2 Tire pressure gauge 1 Remove the tire valve cap. 2 Press the tip of the tire pressure gauge onto the tire valve. 3 Read the pressure using the gauge gradations. 4 If the tire inflation pressure is not at the recommended level, adjust the pressure. If you add too much air, pres ...

Circuit description
The vapor pressure sensor and the vsv for the canister closed valve (ccv) are used to detect abnormalities in the evaporative emission control system. The ecm decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal. Dtc p0 ...