Connect santool to Data Link Connector(DLC).
Engine "ON" & Warm up the engine to normal operating temperature.
Monitor the "MAFS VOLTAGE" parameter on scantool.
Specification :
MAFS | Normal Parameter | ||
Approx. 700RPM(Idle) | Approx. 2000RPM | Approx. 3000RPM | |
Signal Voltage | 0.6 ~ 1.0V | 1.3 ~ 1.5V | 1.7 ~ 1.9V |
Mass Air Flow | 11.66 ~ 15.38kg/h | 28.41 ~ 35.38kg/h | 43.84 ~ 53.38kg/h |
Is the MAF sensor parameter displayed within specifications?
YES
▶ Fault is intermittent caused by poor contact in the sensor’s and/or PCM’s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.
NO
▶ Go to "W/Harness Inspection" procedure.