how to troubleshoot my Toyota Corolla E170 (2013-2019) power window not working

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

556 words

Problem Statement

Learn how to troubleshoot and fix power window issues in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic steps 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 components to avoid shock

Symptoms

•Power window switch does not respond when pressed
•Window does not move up or down
•Clicking noise from the door panel when attempting to operate the window
•Power window operates intermittently or only works sometimes
•Other electrical components (e.g., locks, lights) may also be malfunctioning

Diagnostic Steps

1
Inspect the power window switch for physical damage or stuck position
2
Check the fuse for the power windows in the fuse box and replace if blown
3
Test the motor by applying direct power to it to determine if it operates
4
Examine the wiring harness for any visible damage, fraying, or loose connections
5
Use a multimeter to check for voltage at the window motor connector when the switch is activated
6
Inspect the window regulator for mechanical blockage 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

•Socket set
•Multimeter
•Screwdriver set
•Wire stripper/crimper
•Fuse puller

Parts Required

•Power window switch (if found faulty)
•Window motor (if found faulty)
•Window regulator (if found faulty)
•Fuses (if blown)

Related Faults

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Symptoms

•Power window switch does not respond when pressed

•Window does not move up or down

•Clicking noise from the door panel when attempting to operate the window

•Power window operates intermittently or only works sometimes

•Other electrical components (e.g., locks, lights) may also be malfunctioning

Diagnostic Steps

1
Inspect the power window switch for physical damage or stuck position
2
Check the fuse for the power windows in the fuse box and replace if blown
3
Test the motor by applying direct power to it to determine if it operates
4
Examine the wiring harness for any visible damage, fraying, or loose connections
5
Use a multimeter to check for voltage at the window motor connector when the switch is activated
6
Inspect the window regulator for mechanical blockage or damage

Solution

1. Preparation

Tools Required: Socket set, multimeter, screwdriver set, wire stripper/crimper.
Disconnect the negative battery terminal to prevent electrical shock.
Gather replacement parts if necessary (fuses, window motor, etc.).

2. Inspect Power Window Switch

Remove the door panel using a screwdriver to access the power window switch.
Disconnect the switch connector and visually inspect it for corrosion or damage.
Use a multimeter to test continuity through the switch. Replace the switch if faulty.

3. Check and Replace Fuse

Locate the fuse box (usually under the dashboard or in the engine compartment).
Identify the power window fuse using the diagram on the fuse box cover.
Remove the fuse with a fuse puller and inspect it. Replace it if blown.

4. Test Window Motor

Remove the door panel to access the window motor.
Disconnect the motor connector.
Use a multimeter to measure the voltage while activating the switch; it should be around 12V.
If voltage is present but the motor does not operate, replace the motor.

5. Inspect Wiring and Connectors

Visually check the wiring harness for frayed wires or loose connections.
Repair any damaged wires using solder or crimp connectors.
Ensure that all connectors are securely attached.

6. Inspect Window Regulator

Manually check the window for obstructions or mechanical binding.
If the window regulator is damaged or malfunctioning, remove it and replace it with a new unit.