EGR Monitor and Readiness Code

NOTE:

During the procedure, do not turn the vehicle to the ACCESSORY mode or the OFF (LOCK) mode.
All readiness codes are cleared when the 12 volt battery is disconnected, if DTCs have been cleared, or if the PCM is reset with the HDS.

Enable Criteria

ECT SENSOR 1 at 158 deg.F (70 deg.C) or more.

Procedure

2. Enter the maintenance mode, then start the engine

3. Drive at a steady speed with the transmission in D at 55-75 mph (90-120 km/h) or above for more than 10 seconds.

4. With the transmission in D, decelerate from 62 mph (100 km/h) or above by completely releasing the throttle for at least 5 seconds. If the engine is stopped during this step, repeat steps 3 and 4.Check the OBD status screen for DTC P0401 in the DTC's MENU with the HDS.

If it is passed, the readiness code is complete.
If it is not passed, go to step 3 and retest.