Code No. P0647: A/C Compressor Relay Circuit High


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • The digital power stage hardware reports a short circuit to battery error.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • The digital power stage hardware reports an excess temperature error.

PROBABLE CAUSE



  • Failed A/C compressor relay
  • Failed electrical harness in A/C compressor relay circuit
  • Failed engine-ECU