Component Inspection
- Engine "ON".
- Install Scan tool and monitor the "MASS AIR FLOW" parameter on the Scan tool data list.
- Monitor the "MASS AIR FLOW" parameter on the Scan tool.
Specification: Approx. 10 ~ 20kg/h at idle & No load
- Is MAF sensor voltage within the specified value?
YES:
- Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO:
- Check MAFS for contamination, deterioration, or damage. Substitute with a known-good MAFS and check for proper operation. If the problem is corrected, replace MAFS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.