Accord 1985
1. Open the No.1 control box cover and remove the IMA sensor mounting rivets.
2. Disconnect the IMA sensor and the 3P connector.
3. Turn the knob to measure the resistance between the brown and green terminals of the IMA sensor. The resistance should be 0.25-6.2 kOhm.
4. If a different resistance is detected, replace the IMA sensor.