what causes electric power steering failure in Toyota Tacoma N300 (2016-Present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety during repair.
• Ensure the work area is clean and well-lit.

2. Inspect and Replace Fuse

• Locate the fuse box and identify the power steering fuse.
• Remove the fuse using a fuse puller or pliers.
• Inspect the fuse; replace it if blown.
• Reinstall the fuse and reconnect the battery.

3. Check and Refill Power Steering Fluid

• Locate the power steering reservoir.
• Remove the cap and check the fluid level; add fluid if low.
• Inspect fluid condition; if contaminated, proceed to flushing the system.
• Reassemble and secure the cap.

4. Repair or Replace Wiring

• Trace the power steering wiring harness from the control module to the motor.
• Repair any damaged wires or connectors using appropriate heat-shrink tubing or electrical tape.
• If necessary, replace the damaged wiring harness with a new OEM part.

5. Replace Power Steering Motor

• Disconnect the battery again for safety.
• Remove the mounting bolts securing the power steering motor.
• Disconnect the electrical connector from the motor.
• Install the new power steering motor by reversing the removal steps, ensuring all connections are secure.
• Reconnect the battery.

6. Reset Steering Control Module (if applicable)

• Use an OBD-II scanner to clear any existing error codes.
• Follow manufacturer guidelines to reset the steering control module settings.