Hyundai Tucson: Column & Housing Noise Repair Guide

R-MDPS Warning lamp Diagnosis Guide

Inspection Items per DTC

Checking Connectors and Wiring

1. Checking Connectors and Wiring.

Check for damage, push-back, or improper connection in each connector and wiring.

(1) Check the wiring on the vehicle side.

• Check for open short - circuit due to fault},' connection, damage, or foreign substance.

WARNING

The following phenomena are not malfunctions when the MDPS warning lamp is not lit.

• There is no auxiliary steering force temporarily during the MDPS system self-diagnosis time (about 2 seconds) immediately after the engine starts, but this is not a malfunction.
• There is noise due to relay connection when the engine is on or off, but this is a normal operation sound.
• There is noise caused by motor rotation when operating the steering wheel m a stationary or low-speed driving state, but this is a normal operating sound.

MDPS(Motor Driven Power Steering) Handling precautions

1. A failure may occur due to the internal damage when a new partial part is dropped, impacted or excessive external load is applied.

→ If a partial part is impacted or is dropped, replace it with a new part.

2. If excessive impact is applied when assembling the steering wheel, center point of the torque sensor may be warped.

→ Caution is needed when tightening by excessive impact.

3. Be careful for the damage to the wiring due to deformation, when detaching attaching the contactor or excessive external force is applied.

→ Excessive insertion of the connector or using after removal is prohibited.

4. Caution is needed for partial part storage and replacement work under abnormal condition of the temperature and humidity.

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