Code No. P2142: Intake Air Control Flap Circuit High


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • Short circuit to battery is only detected if the output level of the output stage is low.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • Over temperature of the power stage is only detected if the output level of the power stage low.

FAIL SAFE FUNCTION



PROBABLE CAUSE



  • Failed intake air control flap
  • Failed electrical harness in intake air control flap circuit
  • Failed engine-ECU