Toyota Corolla (E120): Oxygen sensor

Dtc p0130 oxygen sensor circuit malfunction (bank 1 sensor 1)

Dtc p2195 oxygen sensor signal stuck lean (bank 1 sensor 1)

Dtc p2196 oxygen sensor signal stuck rich (bank 1 sensor 1)

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Circuit description
Refer to dtc p0130 Hint: the ecm provides a pulse width modulated control circuit to adjust current through the heater. The heated oxygen sensor heater circuit uses a relay on the b+ side of the circuit. Monitor description The ecm uses the heated oxygen sensor information to regulate t ...

Removal & installation and disassembly & reassembly
1. Remove oxygen sensor Remove a clip and tear off the floor mat.  disconnect a oxygen sensor connector. Remove the oxygen sensor. 2. Remove tail pipe assy Remove 2 bolts, 2 springs and tail pipe assy. 3. Remove floor panel brace front Remove 2 nuts and the ...

Inspection procedure
1 Check operation(stop lamp swtich assy) Check that the stop light comes on when the brake pedal is depressed, and turns off when the brake pedal is released. 2 Input signal check See input signal check on page 05–745.  check the indicator light when the brake pedal ...