Circuit Description
This DTC is used to identify the condition of TCS switch and circuit. The ignition voltage is passing through fuse F9, terminal 2 of connector C202, TCS switch and terminal 14 of EBCM.
Conditions for Setting the DTC
| • | Out of adjustment or shorted TCS switch contact |
| • | TCS switch circuit shorted to battery |
| • | Internal EBCM fault |
Action Taken When the DTC Sets
| • | DTC C1503 is stored. |
| • | TCS disabled, TCS waring lamp turns on. |
Conditions for Clearing the DTC
If the conditions that set DTC C1503 are no longer presents, the DTC can be cleared by scan tool.
Step | Action | Values | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Diagnostic System Check-ABS? | -- | Go to Step 2 | |
2 | Check 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 |
