STEP 1. Using scan tool (M.U.T.-III), check data list item AF: Heated Oxygen Sensor Bank 2, Sensor 2 (left rear).
caution | To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III). |
(1) Connect scan tool (M.U.T.-III). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) . (2) Start the engine and run at idle.
(3) Set scan tool (M.U.T.-III) to the data reading mode for item AF, Heated Oxygen Sensor Bank 2, Sensor 2 (left rear).
(4) Warm up the engine.- After increasing the output voltage 0.5 volt or more by the engine revving, finish it. Then confirm that the output voltage reduces to 0.2 volt or less within 6 seconds.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
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 . Replace the left bank heated oxygen sensor (rear). Then go to Step 2.