DTC C2522 Resolver Sensor
DTC DETECTING CONDITION:
When resolver signal output voltage failure is detected after assist starts with 500 rpm engine speed reception.
TROUBLE SYMPTOM:
- The steering wheel operation feels heavy.
- STEERING warning light illuminates.
- EyeSight steering support function does not operate. (Models with EyeSight)
WIRING DIAGRAM:
Electric power steering system <Ref. to Electric Power Steering System .>
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK HARNESS AND CONNECTOR. Check the connection status of the power steering control module and resolver sensor harness (PS1). |
Are the harness and connector firmly installed? | Go to step 2 . | Check the connection of connectors/terminals/harnesses and perform inspection again. |
2 PERFORM UNIT CHECK OF RESOLVER SENSOR.
|
Is there continuity? | Go to step 3 . | Replace the steering gearbox. <Ref. to Electric Power Steering Gearbox .> |
| 3 CHECK RESOLVER SENSOR INSULATION. Using a tester, check for short circuits in the resolver sensor. Connector & terminal (PS1) No. 1 - Steering gearbox body: (PS1) No. 2 - Steering gearbox body: (PS1) No. 3 - Steering gearbox body: (PS1) No. 4 - Steering gearbox body: (PS1) No. 5 - Steering gearbox body: (PS1) No. 6 - Steering gearbox body: |
Is the resistance 1 MΩ or more? | Replace the power steering control module. <Ref. to Power Steering Control Module .> | Replace the steering gearbox. <Ref. to Electric Power Steering Gearbox .> |