Code No. P2237: Air/Fuel Ratio Sensor (Lambda Sensor) Pumping Current


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • Air/fuel ratio sensor (Lambda sensor) pump current error.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • Voltage error of air/fuel ratio sensor (Lambda sensor) circuit.

PROBABLE CAUSE



  • Failed air/fuel ratio sensor (Lambda sensor)
  • Failed electrical harness in air/fuel ratio sensor (Lambda sensor) circuit