How To Erase Permanent DTC: Description
When a DTC is stored in ECM
When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL shutoff if the same malfunction is not detected after performing the driving pattern for MIL shutoff three times in a raw.
| *1: | When the same malfunction is detected in two consecutive trips, MIL will illuminate. | *2: | MIL will turn off after vehicle is driven 3 times (pattern B) without any malfunctions. |
When a DTC is not stored in ECM
The erasing method depends on a permanent DTC stored in ECM. Refer to the following table.
NOTE:
If the applicable permanent DTC includes multiple groups, perform the procedure of Group B first. If the permanent DTC is not erased, perform the procedure of Group A.
x: Applicable -: Not applicable
| Group * | Perform "DTC CONFIRMATION PROCEDURE" for applicable DTCs. | Driving pattern | |
|---|---|---|---|
| B | D | ||
| A | x | - | - |
| B | - | x | x |
*: For group, refer to DTC Index .
Permanent DTC item
For permanent DTC items, MIL turns ON. Refer to DTC Index .
Permanent DTC service procedure