how to fix power windows that won’t work in my Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 words

Problem Statement

Learn how to diagnose and fix power windows that won't work in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock or short circuits.

Symptoms

•Power window switch does not respond when pressed
•Windows remain stationary and do not move
•Possible blown fuses related to window operation
•Unusual noises from the window motor when attempting to operate
•Control panel lights may not illuminate when switches are engaged

Diagnostic Steps

1
Inspect the power window fuse in the fuse box for any signs of damage or a blown fuse.
2
Use an OBD-II scanner to check for any relevant error codes that could indicate electrical issues.
3
Test the power window switch for functionality using a multimeter to measure continuity.
4
Verify that the window motor is receiving power by checking the voltage at the motor connector while the switch is engaged.
5
Inspect window regulator and motor for physical damage or disconnection.
6
Check for any wiring harness issues, including frayed wires or poor connections.

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
•OBD-II scanner
•Screwdriver set
•Wire connectors

Parts Required

•Power window fuse (if blown)
•Power window switch (if faulty)
•Window motor (if defective)
•Window regulator (if damaged)

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Diagnostic Steps

1
Inspect the power window fuse in the fuse box for any signs of damage or a blown fuse.
2
Use an OBD-II scanner to check for any relevant error codes that could indicate electrical issues.
3
Test the power window switch for functionality using a multimeter to measure continuity.
4
Verify that the window motor is receiving power by checking the voltage at the motor connector while the switch is engaged.
5
Inspect window regulator and motor for physical damage or disconnection.
6
Check for any wiring harness issues, including frayed wires or poor connections.

Solution

1. Preparation

Gather tools: socket set, multimeter, OBD-II scanner, screwdriver set, and wire connectors.
Ensure the vehicle is parked on a level surface with the ignition off.
Disconnect the battery to avoid any electrical shorts during repairs.

2. Replace Blown Fuse

Locate the fuse box: Refer to the owner's manual for the exact location of the power window fuse.
Remove the fuse: Use a fuse puller or pliers to carefully extract the blown fuse.
Install a new fuse: Replace with a fuse of the same amperage (typically 15A or 20A as specified in the manual).

3. Replace Power Window Switch

Remove the door panel: Use a screwdriver to remove screws and gently pry off the panel using a trim tool.
Disconnect the switch connector: Unplug the switch from the wiring harness.
Install the new switch: Connect the new switch and reassemble the door panel.

4. Replace Window Motor/Regulator

Access the window motor: After removing the door panel, locate the window motor and regulator assembly.
Remove the motor: Unbolt the motor from its mounting and disconnect the electrical connector.
Install the new motor: Position the new motor, secure it with bolts, and reconnect the electrical connector.
Reassemble the regulator: If necessary, replace the window regulator and reattach the window to the regulator.

5. Reassemble and Test

Reattach door panel: Ensure all clips and screws are secured properly.
Reconnect the battery: Restore battery power and test the window operation.
Test all windows: Verify that all window switches are functional.