how to fix the rear window wiper not working on my Toyota RAV4 XA40 (2013-2018)

Toyota RAV4 XA40 (2013-2018)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

512 words

Problem Statement

Learn how to diagnose and fix the rear window wiper not working on your 2013-2018 Toyota RAV4 XA40. Step-by-step guide with tools and parts needed.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or shorts.

Symptoms

•Rear wiper does not activate when the switch is turned on
•No sound from the wiper motor when attempting to operate
•Wiper blade does not move
•Rear window washer fluid does not spray
•Possible blown fuse related to the rear wiper system

Diagnostic Steps

1
Check the rear wiper fuse for continuity using a multimeter.
2
Inspect the rear wiper switch for proper function by testing with a multimeter.
3
Verify the connection at the rear wiper motor for any loose or corroded wires.
4
Test the rear wiper motor directly by applying direct power to see if it operates.
5
Inspect the wiper arm and blade for any physical obstructions or damage.
6
Check the washer fluid reservoir and pump operation if the fluid does not spray.

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
•14mm socket and ratchet
•Wiper arm puller (optional)
•Fuse puller or pliers

Parts Required

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

Related Faults

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Diagnostic Steps

1
Check the rear wiper fuse for continuity using a multimeter.
2
Inspect the rear wiper switch for proper function by testing with a multimeter.
3
Verify the connection at the rear wiper motor for any loose or corroded wires.
4
Test the rear wiper motor directly by applying direct power to see if it operates.
5
Inspect the wiper arm and blade for any physical obstructions or damage.
6
Check the washer fluid reservoir and pump operation if the fluid does not spray.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface with the ignition off.
Disconnect the battery to prevent any electrical shorts.

2. Check and Replace Fuse

Locate the fuse box (typically under the dashboard or hood).
Identify the rear wiper fuse (refer to the fuse diagram).
Remove the fuse using a fuse puller or pliers and check for a blown filament.
If blown, replace with a new fuse of the same amperage (typically 15A).

3. Inspect and Replace the Wiper Motor

Remove the Wiper Arm:
- Use a 14mm socket to remove the nut securing the wiper arm.
- Gently pry the wiper arm off the motor shaft using a wiper arm puller if necessary.
Disconnect the Motor:
- Locate the motor connector and carefully disconnect it.
Test the Wiper Motor:
- Connect the motor directly to a 12V power source to verify it operates.
Replace Motor if Faulty:
- If the motor does not run, replace it with a new one. Install in reverse order of removal.

4. Reassemble Components

Reattach the wiper arm securely and torque the nut to approximately 10 Nm (7 ft-lbs).
Reconnect the battery and ensure all components are properly secured.