Code No. P0546: No. 1 Exhaust Gas Temperature Sensor High


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • No. 1 exhaust gas temperature sensor output voltage is above the threshold for the specified time.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Conditions
  • Ignition switch: ON
  • No. 1 exhaust gas temperature sensor signal examination has not been inhibited.
Judgment Criterion
  • The exhaust gas temperature of No. 1 exhaust gas temperature sensor is above the threshold.

FAIL SAFE FUNCTION



  • The last valid value is frozen.

PROBABLE CAUSE



  • Failed No. 1 exhaust gas temperature sensor
  • Failed electrical harness in No. 1 exhaust gas temperature sensor circuit