AIR FUEL RATIO SENSOR LEARNING VALUE CLEAR : Description
ECM learns the output characteristic of A/F sensor 1 to perform the control of DPF regeneration precisely. A/F
sensor learning value should be cleared under the following conditions.
• A/F sensor 1 is changed.
• ECM is replaced with used one which stores the A/F Sensor Learning Value of another A/F sensor 1.
1. Turn ignition switch ON.
2. Select “A/F SEN LEAN CLR” in “WORK SUPPORT” mode with CONSULT-III.
3. Touch “CLEAR” and wait a few seconds.
4. Make sure that “CMPLT” is displayed on CONSULT-III screen.