Diagnostic procedure
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.
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY DTC OUTPUT STATUS
|
Yes | Replace the automatic transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [FW6A-EL] .) |
| No | Go to the next step. | ||
| 2 | INSPECT ATF LEVEL
|
Yes | Adjust the ATF level to the specification, then go to the next step. (See AUTOMATIC TRANSAXLE FLUID (ATF) ADJUSTMENT [FW6A-EL] .) |
| No | Go to Step 5. | ||
| 3 | PERFORM ON-BOARD DIAGNOSTIC TEST TO SPECIFY MALFUNCTIONING PART
|
Yes | DTC P1738:00 is displayed:
|
| No | Go to the next step. | ||
| 4 | DRIVE VEHICLE AND VERIFY DTCs
|
Yes | DTC P1738:00 is displayed:
|
| No | No DTCs are displayed:
|
||
| 5 | PERFORM ON-BOARD DIAGNOSTIC TEST
|
Yes | DTC P1738:00 is displayed:
|
| No | Go to the next step. | ||
| 6 | DRIVE VEHICLE AND VERIFY DTCs
|
Yes | DTC P1738:00 is displayed:
|
| No | Replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL] .) |
||