Toyota Corolla (E120): Open in p/t (rh) circuit

Dtc b0131/64 open in p/t (rh) circuit

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Ecm (1zz–fe)
Replacement 1. Disconnect battery negative terminal 2. Remove glove compartment door assy 3. Remove ecm Remove the 2 clips using a clip remover. Then, open the cover. Disconnect the 4 ecm connectors.  remove the wire harness from the wire harness clamp. Remove the 2 ...

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 ...

Engine (ignition) switch (vehicles without a smart key system)
Starting the engine 1. Check that the parking brake is set. 2. Check that the shift lever is in P. 3. Firmly depress the brake pedal. 4. Turn the engine switch to START to start the engine. ■If the engine does not start The engine immobilizer system may not have been deactivated. Contact your Toy ...