Code No. P0622:
Alternator Load (Internal Error)
DIAGNOSIS CONTENT
Duty cycle below allowed minimum
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- The duty cycle of the alternator is lower than the threshold for the specified time.
PROBABLE CAUSE
- Failed alternator
- Failed electrical harness in Alternator FR terminal circuit
- Failed engine-ECU
(Refer to Symptom Procedure - Alternator System 
.)