Code No. P0135: Air/Fuel Ratio Sensor (Lambda Sensor) Heater


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Conditions
  • After engine warming up.
  • Battery voltage is above the threshold.
Judgment Criterion
  • The calculated temperature of the air/fuel ratio sensor (Lambda sensor) is above the threshold.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Conditions
  • After engine warming up.
  • Battery voltage is above the threshold.
Judgment Criterion
  • The calculated temperature of the air/fuel ratio sensor (Lambda sensor) is below the threshold.

PROBABLE CAUSE



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