Repair Procedures: Replacement
NOTE:
- If a DTC occurs in the ECU, check the connectors and wiring. If no problem is found, replace the ECU.
CAUTION:
- Before replacing the MDPS ECU, use the diagnostic device to read the settings of the old ECU
- Perform the "ECU Data Backup" by GDS following in the order below.
- Connect self-diagnosis connector (16-pins) located in the lower of driver side crash pad to self-diagnosis device.
- Turn the self-diagnosis device after key is ON.
- After Selecting the "Vehicle Model" and "EPS system" on GDS vehicle selection screen.
- Select the "Part exchange (Power Steering ECU)"
- Follow the instructions displayed on the screen.
- Insert the VIN number and then select the "Read" in order to the ECU information save.
- Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.
- Remove the crash pad lower panel.
(Refer to Body - "CRASH PAD LOWER PANEL ")
- Disconnect the connector and loosening the than mounting bolts.
- Install in the reverse order of removal.
- Perform the "ECU Data Restore" by GDS following in the order below.
- Connect self-diagnosis connector (16-pins) located in the lower of driver side crash pad to self-diagnosis device.
- Turn the self-diagnosis device after key is ON.
- After Selecting the "Vehicle Model" and "EPS system" on GDS vehicle selection screen.
- Select the "Part exchange (Power steering ECU)"
- Follow the instructions displayed on the screen.
- Insert the VIN number and then select the "Write" in order to the ECU information save.
- Conduct the "ASP Calibration" by GDS.
(Refer to MDPS Control Unit- "DIAGNOSIS WITH GDS ")
- Remove the DTC.
- Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.