Repair Procedures: Replacement

NOTE:

When a DTC related to MDPS motor occurs, check the connectors and wiring. If no problem is found, replace the motor.

Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.
Turn the steering wheel so that the front wheels can face straight ahead.
Push the pins (A).

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Disconnect the horn (B) & air bag (A) connector and then remove the air bag module.
(Refer to Restraint - "DRIVER AIRBAG (DAB) MODULE AND CLOCK SPRING ")

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Loosen the lock nut (A), disconnect the connector (B) and then remove the steering wheel.
(Refer to Steering System - "MDPS ASSEMBLY ")

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Loosen the screw and then remove the steering column upper (A) and lower shroud (B).

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Disconnect the connector and then remove the clock spring (A).
(Refer to Restraint - "DRIVER AIRBAG (DAB) MODULE AND CLOCK SPRING ")

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Loosen the screw and then remove the multifunction switches (A).
(Refer to Body Electrical System - "MULTIFUNCTION SWITCH ")

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Remove the crash pad side cover (A), Fuse box cover and lower crash pad (B).
(Refer to Body - "CRASH PAD ")

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Loosen the bolts and then remove the reinforce panel (A).

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Disconnect all connectors connected the EPS unit assembly.
Remove the shower duct (A).

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Remove the all of the connector from the steering column.
Loosen the mounting bolt (A) and nut (b) and leave the steering column and EPS unit assembly lie on the vehicle"s floor.
Tightening torque

Nut: 12.7 - 17.7 N.m (1.3 - 1.8 kgf.m, 9.4 - 13.0 lb-ft)

Bolt: 44.1 - 49.0 N.m (4.5 - 5.0 kgf.m, 32.5 - 36.2 lb-ft)

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Remove the motor by loosening the bolts and then replace the new one.

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Install in the reverse order of removal.
Perform the "Input the motor constant value" by GDS following in the order below.
1. Connect self-diagnosis connector (16pins) located in the lower of driver side crash pad to self-diagnosis device.
2. Turn the self-diagnosis device after key is ON.
3. Select the "vehicle model" and "EPS system" on GDS vehicle selection screen.
4. Select the "Part exchange (Power steering Motor)".
  
  Fig 1: Screen Display - Part Exchange (Power Steering Motor)
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5. Follow the instructions displayed on the screen.
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CAUTION:
- Entering incorrect motor constant value may cause a serious problem in the MDPS.
Conduct the "ASP Calibration" by GDS.
(Refer to MDPS Motor - "DIAGNOSIS WITH GDS ")
Remove the DTC and then perform the Conduct the "MDPS TEST (Motor Driven Power Steering)" by GDS.
(Refer to Motor Driven Power Steering - "MDPS PERFORMANCE INSPECTION ")
Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.