STEP 1. Using scan tool (M.U.T.-IIISE), check data list item 10: Mass Airflow Sensor.
caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn off the power supply mode of the electric motor switch before connecting or disconnecting scan tool (M.U.T.-IIISE). |
(1) Connect scan tool (M.U.T.-IIISE). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-IIISE) . (2) Set the vehicle to the continuous idling mode.
(3) Set scan tool (M.U.T.-IIISE) to the data reading mode for item 10, Mass Airflow Sensor.
(4) Warm up the engine.- The standard value should be between 880 and 1,280 millivolts.
- When the engine is revved, the mass airflow rate should increase according to the increase in engine speed.
(5) Turn off the power supply mode of the electric motor switch.
Is the sensor operating properly?
It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions . Go to Step 2.