Diagnostic Procedure
WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC U2005:68 (FRONT BODY CONTROL MODULE) DIAGNOSTIC PROCEDURE
| Step | Inspection | Action | |
|---|---|---|---|
| 1 | VERIFY FRONT BODY CONTROL MODULE (FBCM) DTCs AGAIN
|
Yes | Go to the next step. |
| No | Go to Step 7. | ||
| 2 | VERIFY DSC HU/CM DTCs
|
Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) |
| No | Go to the next step. | ||
| 3 | VERIFY PCM DTCs
|
Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 4 | INSPECT ABS WHEEL-SPEED SENSOR
|
Yes | Go to the next step. |
| No | Replace the ABS wheel-speed sensor, then go to Step 6. (See FRONT ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION .) (See REAR ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION .) |
||
| 5 | PERFORM DTC INSPECTION AND VERIFY PCM MALFUNCTION
|
Yes | Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5] .) |
| No | Go to Step 7. | ||
| 6 | VERIFY THAT REPAIRS HAVE BEEN COMPLETED
|
Yes | Repeat the inspection from Step 1.
Go to the next step. |
| No | Go to the next step. | ||
| 7 | VERIFY IF OTHER DTCs DISPLAYED
|
Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)] .) |
| No | DTC troubleshooting completed. | ||