3.
Monitor the "MASS AIR FLOW(V)" parameter on the Scantool.
1)
Specification :
a.
Approx. 0.7 ~ 1.0V at idle & No load
b.
Approx. 1.0 ~ 1.3V at idle & A/C "ON"
Ignition "ON" & Engine "ON"
Install Scantool and monitor the "MASS AIR FLOW(V)" parameter on the Scantool data list.
Monitor the "MASS AIR FLOW(V)" parameter on the Scantool.
Specification :
Approx. 0.7 ~ 1.0V at idle & No load
Approx. 1.0 ~ 1.3V at idle & A/C "ON"
Is MAF sensor voltage near the specified value?
YES
Thoroughly check connectors for loose or poor connections, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure
NO
Check MAFS for contamination, deterioration, or damage. Clean MAFS with suitable cleaner as necessary and let air dry before reinstalling. If problem still exists, test with a new MAF sensor and check for proper operation. If problem is corrected, replace MAF sensor and go to "Verification of Vehicle Repair" procedure
