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how to solve the problem with the rear wiper not working on Toyota Highlander XU70 (2020-Present)? - Toyota Highlander
Home/Cars/Toyota/Highlander/XU70 (2020-Present)/how to solve the problem with the rear wiper not working on Toyota Highlander XU70 (2020-Present)?

how to solve the problem with the rear wiper not working on Toyota Highlander XU70 (2020-Present)?

Toyota Highlander XU70 (2020-Present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
539 words

Problem Statement

Learn how to diagnose and fix the rear wiper not working on Toyota Highlander XU70. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components to prevent short circuits.

Symptoms

  • •Rear wiper blade does not move when activated
  • •Rear wiper control switch does not respond
  • •No sound from the wiper motor when switched on
  • •Rear wiper fluid does not spray
  • •Possible blown fuse for the rear wiper circuit

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •Socket set
  • •Multimeter
  • •Screwdriver set
  • •Torque wrench

Parts Required

  • •Rear wiper motor (if needed)
  • •Rear wiper fuse (if blown)

Additional Information

Affected Component
Electrical
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Disconnect the negative terminal of the battery to ensure safety during electrical work.
2. Replace Blown Fuse
  • Locate the fuse box and find the fuse related to the rear wiper.
  • Remove the blown fuse and replace it with a new fuse of the same amperage.
  • Reconnect the battery and test the rear wiper function.
3. Replace Rear Wiper Motor (if necessary)
  • Disconnect the Battery:

    • Ensure the negative terminal is disconnected again for safety.
  • Remove the Wiper Arm:

    • Use a socket set to remove the nut securing the rear wiper arm.
    • Gently pull the wiper arm off the motor shaft.
  • Remove the Rear Wiper Motor:

    • Locate the motor under the interior trim panel at the rear.
    • Unscrew the mounting bolts holding the motor using a socket set.
    • Disconnect the electrical connector from the motor.
    • Carefully remove the motor from its housing.
  • Install the New Rear Wiper Motor:

    • Position the new motor in the housing.
    • Reconnect the electrical connector.
    • Secure the motor with the mounting bolts and tighten to the manufacturer’s torque specification (check service manual for exact torque value).
  • Reattach the Wiper Arm:

    • Place the wiper arm back onto the motor shaft and secure it with the nut.
    • Ensure the wiper arm is positioned correctly for optimal function.
4. Reassemble and Test
  • Reattach any interior trim panels that were removed.
  • Reconnect the negative terminal of the battery.
  • Test the rear wiper and washer function to ensure everything is operating correctly.