how to troubleshoot electric power steering issues on my Toyota Camry XV70 (2018-2024)?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle battery to ensure safety while working on electronic components.

2. Check and Replace Power Steering Fluid

• Tools Required: Fluid pump, funnel, container for old fluid.
• Remove the power steering reservoir cap.
• Use a fluid pump to extract old fluid from the reservoir.
• Refill with the manufacturer-recommended power steering fluid.
• Replace the cap and reconnect the battery.

3. Repair or Replace EPS Motor

• Tools Required: Socket set, torque wrench, screwdrivers, multimeter.
• Remove the battery and disconnect wiring from the EPS motor.
• Unbolt the EPS motor from the steering column.
• Inspect the motor for signs of wear or damage. If defective, install a new EPS motor.
• Reassemble by reversing the disassembly steps, ensuring all connections are secure and torqued to manufacturer specifications.

4. Calibration of Steering Angle Sensor

• Tools Required: OBD-II scanner with calibration capabilities.
• Connect the OBD-II scanner to the vehicle's diagnostic port.
• Follow the scanner's instructions to reset and calibrate the steering angle sensor.
• Ensure the steering wheel is centered during calibration.