– Introduction General Information In–27 1. EGR Monitor (Except 1FZ–FE) (70 to 90 km/h) 43 to 56 mph Idling IG SW off Warm up 3 min. 3 to 5 min. 3 min. 3 to 5 min. A18905 Preconditions The monitor will not run unless: MIL is OFF Altitude is 7,870 feet (2,400 m) or less Intake Air Temperature (IAT) is 14 ° F (–10 ° C) or higher Engine Coolant Temperature (ECT) is 167 ° F (75 ° C) or higher Drive Pattern (a) Connect the OBD II scan tool to the DLC3 to check monitor status and preconditions. (b) If IAT is less than 50 ° F (10 ° C) when starting the engine, idle the engine for approximately 10 minutes. (c) Drive vehicle at 43 – 56 mph (70 – 90 km/h) for a period of 3 – 5 minutes. NOTICE:
Do not allow the Throttle Position (TP) to exceed 30 %. Drive with smooth throttle operation and avoid sudden acceleration. (d) Stop vehicle and let engine idle for 3 – 5 minutes. (e) Repeat steps ”c” and ”d” once. (f) If readiness status does not switch to complete, ensure preconditions are met, turn ignition off, and then repeat steps ”c” through ”e”. 1996–2003 ADDITION OF OBD (OTH021U) 27 Author : Date: