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ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)]

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2016 – MX-5 – Transmission/Transaxle

ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)]

Reading DTCs Procedure

1. Connect the M-MDS to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

a. Select “Self Test”.

b. Select “Modules”.

c. Select “TCM”.

NOTE:

  • Snapshot data appears at the top of the help screen when the displayed DTC is selected.

    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.

3. Then, select the “Retrieve CMDTCs” and perform procedures according to the directions on the M-MDS screen.

4. Verify the DTC according to the directions on the screen.

  • If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.

5. After completion of repairs, clear all DTCs stored in the TCM. (See Snapshot data item table.)

Snapshot data item table

NOTE:

—: Not applicable

Snapshot data item

Unit

Description

Corresponding PID/DATA monitor item

LOAD

%

Calculated engine load

ECT

°C {°F}

Engine coolant temperature

ECT

RPM

RPM

Engine speed

RPM

VSS

KPH

Vehicle speed

VSS

EG_RUN_TIME

hh:mm:ss

Time from engine start

VPWR

V

Module supply voltage

VPWR

Clearing DTCs Procedures

1. Connect the M-MDS to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

a. Select “Self Test”.

b. Select “Modules”.

c. Select “TCM”.

d. Select “Retrieve CMDTCs”.

3. Verify the DTC according to the directions on the screen.

4. Press the clear button on the DTC screen to clear the DTC.

5. Switch the ignition off.

6. Close all of the doors, hood, trunk lid, and liftgate, lock the doors, and wait for 3 min.

7. Switch the ignition ON (engine off or on) and wait for 5 s or more.

8. Perform DTC inspection. (See Reading DTCs Procedure.)

9. Verify that no DTCs are displayed.

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