Toyota Corolla E170 (2013-2019) power windows won’t work sometimes, what’s wrong?

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

511 words

Problem Statement

Learn how to diagnose and fix intermittent power window issues in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms and solutions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Intermittent operation of the power windows
•Windows may work after multiple attempts
•Driver's side window may work while others do not
•Window switches may feel unresponsive
•Possible clicking sound from the door panel when attempting to operate the windows

Diagnostic Steps

1
Inspect the window lock switch to ensure it is not engaged.
2
Check the power window fuse in the fuse box for continuity.
3
Use a multimeter to test for voltage at the window switch when the switch is activated.
4
Inspect wiring harness and connectors for signs of wear or damage.
5
Test the power window motor by applying direct battery voltage to determine if it operates.
6
Check for any obstruction in the window tracks that may prevent movement.

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
•Trim removal tools
•Jumper wires

Parts Required

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

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Diagnostic Steps

1
Inspect the window lock switch to ensure it is not engaged.
2
Check the power window fuse in the fuse box for continuity.
3
Use a multimeter to test for voltage at the window switch when the switch is activated.
4
Inspect wiring harness and connectors for signs of wear or damage.
5
Test the power window motor by applying direct battery voltage to determine if it operates.
6
Check for any obstruction in the window tracks that may prevent movement.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety during repairs.

2. Inspect and Replace Fuse

Locate the fuse box under the dashboard or in the engine compartment.
Remove the fuse for the power windows using a fuse puller.
Inspect the fuse for continuity; replace if blown with a new fuse of the same amperage (typically 30A).
Reconnect the fuse and test the windows.

3. Check Window Switch and Wiring

Remove the door panel using a socket set and trim removal tools.
Disconnect the wiring harness from the window switch.
Use a multimeter to check for continuity and proper voltage at the switch connectors.
If the switch is faulty, replace it with a new component.

4. Test and Replace Window Motor (if necessary)

With the door panel still removed, disconnect the wiring harness from the window motor.
Apply direct battery voltage (12V) to the motor terminals using jumper wires.
If the motor does not operate, replace it with a new window motor.
Ensure to torque any screws or bolts securing the motor to the manufacturer specifications (generally around 5-7 Nm).

5. Reassemble Door Panel

Reconnect all wiring harnesses and ensure there are no pinched wires.
Reattach the door panel securely, ensuring all clips and screws are properly positioned.
Reconnect the negative battery terminal.