CMDTC self test
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the M-MDS to the DLC-2.
- After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- Select "Self Test".
- Select "Modules".
- Select "TCM".
NOTE:- Freeze frame data/snapshot data appears at the top of the help screen when the displayed DTC is selected.
Freeze frame data
- The freeze frame data consists of data for vehicle and transaxle control system operation conditions when malfunctions in the transaxle control system are detected and stored in the TCM.
- Freeze frame data is stored at the instant the malfunction indicator lamp illuminates, and only a part of the DTC data is stored.
Snapshot data
- The data for all DTCs currently detected is stored.
Recorded DTC timing
- For DTCs with one drive cycle, data is recorded during the malfunction determination period.
- For DTCs with two drive cycles, data is recorded during non-determination (1st diagnosis) periods.
- Then, select the "Retrieve CMDTCs" and perform procedures according to the directions on the M-MDS screen.
- Verify the DTC according to the directions on the screen.
- If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.
- After completion of repairs, clear all DTCs stored in the TCM. (See Clearing DTCs Procedures .)