Diagnostic Procedure
WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1D9F:74 (RETRACTABLE HARDTOP CONTROL MODULE) DIAGNOSTIC PROCEDURE
| Step | Inspection | Action | |
|---|---|---|---|
| 1 | VERIFY OTHER RETRACTABLE HARDTOP CONTROL MODULE DTCs
|
Yes | Replace the retractable hardtop control module, then go to Step 4. (See RETRACTABLE HARDTOP CONTROL MODULE REMOVAL/INSTALLATION .) |
| No | Go to the next step. | ||
| 2 | INSPECT REAR ROOF LINK
|
Yes | Remove foreign matter from the rear roof link, then go to Step 4. |
| No | Go to the next step. | ||
| 3 | INSPECT REAR ROOF LINK MOTOR (LH)
|
Yes | Go to the next step. |
| No | Replace the rear roof link motor (LH), then go to the next step. (See RETRACTABLE HARDTOP CONTROL MODULE REMOVAL/INSTALLATION .) |
||
| 4 | VERIFY THAT REPAIRS HAVE BEEN COMPLETED
|
Yes | Repeat the inspection from Step 1.
|
| No | Go to the next step. | ||
| 5 | VERIFY IF OTHER DTCs DISPLAYED
|
Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [RETRACTABLE HARDTOP CONTROL MODULE] .) |
| No | DTC troubleshooting completed. | ||