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

Toyota RAV4 Fourth Generation (2013-2018)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

513 words

Problem Statement

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

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 avoid short circuits.

Symptoms

•Rear wiper does not operate when activated
•No noise or movement from the wiper motor
•Rear wiper fluid does not spray
•Wiper blade is stuck in one position
•Fuse for the rear wiper is blown

Diagnostic Steps

1
Inspect the rear wiper switch for proper operation.
2
Check the rear wiper motor for electrical power using a multimeter.
3
Examine the fuse box for any blown fuses related to the rear wiper.
4
Inspect the wiring harness for any visible damage or disconnections.
5
Test the rear wiper motor directly by applying power to it.
6
Check the mechanical linkage for any obstructions or damage.

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

•OBD-II scanner
•Multimeter
•Socket set
•Flathead screwdriver
•Wiper arm puller

Parts Required

•Rear wiper motor (if faulty)
•Wiper blade (if worn out)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the rear wiper switch for proper operation.
2
Check the rear wiper motor for electrical power using a multimeter.
3
Examine the fuse box for any blown fuses related to the rear wiper.
4
Inspect the wiring harness for any visible damage or disconnections.
5
Test the rear wiper motor directly by applying power to it.
6
Check the mechanical linkage for any obstructions or damage.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, and flathead screwdriver.
Park the vehicle on a level surface and ensure the ignition is off.

2. Inspect and Replace the Fuse

Sub-steps:
1. Locate the fuse box (typically under the dashboard or in the engine compartment).
2. Remove the cover and identify the fuse for the rear wiper (refer to the owner's manual for the exact fuse location).
3. Use a fuse puller or pliers to remove the fuse and inspect it for damage.
4. Replace with a new fuse of the same amperage if blown.

3. Test the Wiper Motor

Sub-steps:
1. Access the rear wiper motor by removing any trim panels if necessary.
2. Disconnect the wiring harness from the motor.
3. Use a multimeter to check for voltage at the connector while activating the rear wiper switch.
4. If power is present, proceed to test the motor by applying direct power from the battery.
5. If the motor does not operate, replace the wiper motor.

4. Check Mechanical Components

Sub-steps:
1. Inspect the wiper arm for any obstructions or damage.
2. Remove the wiper arm if necessary using a puller tool.
3. Check the linkage connected to the wiper motor for any signs of wear or breakage.
4. Lubricate the moving parts if necessary and reassemble.