Operation CHARM: Car repair manuals for everyone.

Engine - Diagnostics

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

DTC DETECTING CONDITION:
- Immediately at fault recognition

TROUBLE SYMPTOM:
Improper idling

CAUTION: After repairing or replacing the defective part, perform the Clear Memory Mode Clear Memory Mode and Inspection Mode

Wiring Diagram:






Step 1-5: