Code No. P0647:
A/C Compressor Relay Circuit High
DIAGNOSIS CONTENT
Short circuit to battery
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- The digital power stage hardware reports a short circuit to battery error.
DIAGNOSIS CONTENT
Excessive temperature of power stage
TROUBLE JUDGMENT
Check Condition
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
(Refer to Symptom Procedure - A/C Compressor Relay System .)