Toyota RAV4 Fourth Generation (2013-2018) rear window wiper not working, how to fix it?

Toyota RAV4 Fourth Generation (2013-2018)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

498 words

Problem Statement

Learn how to diagnose and fix the rear window wiper not working on Toyota RAV4 (2013-2018). Step-by-step guide with symptoms, tools, 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 window wiper does not activate when switched on
•Rear washer fluid does not spray
•No sound or movement from the wiper motor
•Rear wiper blade does not move or is stuck
•Check for any blown fuses related to the rear wiper

Diagnostic Steps

1
Check the rear wiper fuse in the fuse box for any blown fuses.
2
Inspect the wiper motor for any visible damage or corrosion.
3
Test the rear wiper switch for proper operation using a multimeter.
4
Verify power supply to the wiper motor with a multimeter.
5
Check the wiring harness for any signs of damage or loose connections.
6
Inspect the rear washer fluid nozzle for clogs.

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

•Multimeter
•Socket set
•Screwdriver

Parts Required

•Rear wiper motor (if faulty)
•Replacement fuse (if blown)

Related Faults

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Diagnostic Steps

1
Check the rear wiper fuse in the fuse box for any blown fuses.
2
Inspect the wiper motor for any visible damage or corrosion.
3
Test the rear wiper switch for proper operation using a multimeter.
4
Verify power supply to the wiper motor with a multimeter.
5
Check the wiring harness for any signs of damage or loose connections.
6
Inspect the rear washer fluid nozzle for clogs.

Solution

1. Preparation

Gather tools such as a multimeter, socket set, and screwdriver.
Disconnect the negative battery terminal to ensure safety during repairs.

2. Check and Replace Fuse

Locate the fuse box under the dashboard or in the engine compartment.
Identify the fuse labeled for the rear wiper and remove it using a fuse puller.
Inspect the fuse for continuity. If blown, replace it with a new fuse of the same amperage.

3. Inspect and Replace Wiper Motor

Remove the rear wiper arm by loosening the nut using a socket and ratchet.
Disconnect the electrical connector from the wiper motor.
Unbolt the wiper motor from the mounting bracket.
Install the new or refurbished wiper motor by reversing the removal steps. Ensure it is securely bolted and connected.

4. Check Wiring and Connections

Examine the wiring harness for any signs of wear or damage.
Repair or replace any damaged wires. Ensure that all connectors are firmly attached.

5. Test the System

Reconnect the negative battery terminal.
Turn on the rear wiper to check if it operates correctly.
If the rear washer fluid does not spray, ensure fluid is filled and check the nozzle for clogs.