Malfunction Indicator Lamp: Description and Operation

MALFUNCTION INDICATOR LAMP
This vehicle has a malfunction indicator lamp in the instrument panel. This light comes ON under the following conditions:
1) When ignition switch is turned "ON" (for bulb check).
2) When systems related to emission performance malfunction in Diagnostic Test Mode I (with engine running).
^ This malfunction indicator lamp always illuminates and is synchronous with red LED.
^ Malfunction systems related to emission performance can be detected by on-board diagnostic system, and they are clarified as diagnostic trouble codes In Diagnostic Test Mode III.
3) Malfunction indicator lamp will come "ON" only when malfunction is sensed.
The malfunction indicator lamp will turn off when normal operation is resumed. Diagnostic Test Mode III memory must be cleared as the contents remain stored.