EPS Warning Light Circuit: Procedure
- CHECK FOR DTC (CAN COMMUNICATION SYSTEM)
- Check for DTCs.
OK
DTC is not output.
NG → See step 4
OK: Go to next step
- Check for DTCs.
- CHECK FOR DTC (POWER STEERING SYSTEM)
- Refer to DTC CHECK / CLEAR
.
Result
Result Proceed to DTC is not output. A DTC C1551 or C1552 is output. B
B → See step 5
A: Go to next step
- Refer to DTC CHECK / CLEAR
.
- CHECK COMBINATION METER ASSEMBLY
- Check the combination meter assembly condition.
- Turn the ignition switch to ON.
- Check that the P/S warning light comes on for 3 seconds after the ignition switch is turned to ON.
OK
The combination meter assembly operates normally.
NG → See step 4
OK → See step 6
- Check the combination meter assembly condition.
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to DIAGNOSTIC TROUBLE CODE CHART
- REPLACE POWER STEERING ECU. Refer to REMOVAL