Diagnostic Procedure
DTC U0402-00; ERROR SIGNAL RECEIVED FROM TCM - DIAGNOSTIC PROCEDURE
| Step | Inspection | Action | |
|---|---|---|---|
| 1 | VERIFY TCM DTCs
|
Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (FW6A-EL, FW6AX-EL)] .) |
| No | Go to the next step. | ||
| 2 | VERIFY IF MALFUNCTIONING LOCATION IS TCM DEPENDING ON REPEATABILITY
|
Yes | Replace the TCM, then go to the next step. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL, FW6AX-EL].) |
| No | Go to Step 4. | ||
| 3 | VERIFY THAT REPAIRS HAVE BEEN COMPLETED
|
Yes | Replace the electric parking brake control module, then go to the next step. (See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION .) |
| No | Go to the next step. | ||
| 4 | VERIFY IF OTHER DTCs DISPLAYED
|
Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [ELECTRIC PARKING BRAKE] .) |
| No | DTC troubleshooting completed. | ||