Toyota Corolla (E120): Proportioning valve assy

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Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alterna ...

Inspection procedure
1 Inspect park/neutral position switch assy Disconnect the park/neutral position switch connector.  measure resistance according to the value(s) in the table below when the shift lever is moved to each position. Standard: 2 Check harness and connector(park/neutral position ...

Vehicle information
This screen can be used to display the fuel consumption. “Trip Information” or “Past Record” screen Press “CAR” to display the “Trip Information” or “Past Record” screen. Fuel consumption ■ Trip information If the “Trip Information” screen does not appear, select ...