In–38 – Introduction General Information 10. Oxygen Sensor Heater and A/F Sensor Heater Monitor 25 mph (40 km/h) Idling IG SW off 2 min. or more 500 sec. or more A18915 Preconditions The monitor will not run unless: MIL is OFF Drive Pattern (a) Connect the OBD II scan tool to the DLC3 to check monitor status and preconditions. (b) Start the engine and allow to idle for 9 minutes. (c) Drive vehicle at 25 mph (40 km/h) or more for at least 2 minutes. (d) If readiness status does not switch to complete, ensure preconditions are met, turn ignition off and then repeat steps ”b” and ”c”. 1996–2003 ADDITION OF OBD (OTH021U) 38 Author : Date: