P1491

DTC P1491 POSITIVE CRANKCASE VENTILATION (BLOW-BY) FUNCTION PROBLEM

DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault

TROUBLE SYMPTOM:
- Improper idling

CAUTION: After repairing or replacing the defective part, carry out the Clear Memory Mode and Inspection Mode.

Wiring Diagram:

Step 1:

Step 2 - 5: