DTC Troubleshooting
DTC C1503 TCS SWITCH ERROR DIAGNOSTIC PROCEDURE
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Perform the diagnostic circuit check. Is it completed? |
- | Go to Step 2. | Go to Step 1. |
| 2 | Check the fuse F9. Is it blown? |
- | Go to Step 3. | Go to Step 4. |
| 3 | Replace the fuse and check again the DTC using scan tool. Did you find the DTC again? |
- | Go to Step 4. | System OK |
| 4 | Check the terminal 2 of connector C202, wiring harness and terminal 14 of EBCM. Did you find any open or short circuit of the wiring harness or abnormal terminal forms? |
- | Go to Step 5. | Go to Step 6. |
| 5 | Repair the open or short circuit of the wiring harness and terminals and check again the DTC using scan tool. Did you find the DTC again? |
- | Go to Step 6. | System OK |
| 6 | Replace the TCS switch and check again the DTC using scan tool. Did you find the DTC again? |
- | Go to Step 7. | System OK |
| 7 | Replace the EBCM and check again the DTC using scan tool. Did you find the DTC again? |
- | Go to Step 1. | System OK |