DTC C1581: Assist Map Number Un-Writing: Procedure
WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
- PERFORM ASSIST MAP WRITING
- Perform the assist map writing. Refer to CALIBRATION .
NEXT: Go to next step
- CHECK DTC OUTPUT
- Check for DTCs. Refer to DTC CHECK / CLEAR
.RESULT
Result Proceed to DTC C1581 is not output A DTC C1581 is output B
B → See step 3
A → END
- Check for DTCs. Refer to DTC CHECK / CLEAR
.
- CHECK CAN COMMUNICATION SYSTEM
- Check for DTCs of the CAN communication system. Refer to DIAGNOSIS SYSTEM
.RESULT
Result Proceed to DTCs are not output A DTCs are output B
B → See step 7
A: Go to next step
- Check for DTCs of the CAN communication system. Refer to DIAGNOSIS SYSTEM
.
- CHECK SFI SYSTEM
- Check for DTCs of the SFI system. Refer to DTC CHECK / CLEAR
.RESULT
Result Proceed to DTCs are not output A DTCs are output B
B → See step 8
A: Go to next step
- Check for DTCs of the SFI system. Refer to DTC CHECK / CLEAR
.
- CHECK VEHICLE STABILITY CONTROL SYSTEM
- Check the vehicle stability control system. Refer to DTC CHECK / CLEAR
.RESULT
Result Proceed to DTCs are not output A DTCs are output B
B → See step 9
A → See step 6
- Check the vehicle stability control system. Refer to DTC CHECK / CLEAR
.
- REPLACE POWER STEERING ECU ASSEMBLY. Refer to REMOVAL
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO SFI SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING