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how to fix the sunroof not opening in my Toyota Corolla E170 (2013-2019) - Toyota Corolla
Home/Cars/Toyota/Corolla/E170 (2013-2019)/how to fix the sunroof not opening in my Toyota Corolla E170 (2013-2019)

how to fix the sunroof not opening in my Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
566 words

Problem Statement

Learn how to diagnose and fix a sunroof that won't open in a 2013-2019 Toyota Corolla E170. Step-by-step guide with symptoms, tools, 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
  • •Allow the vehicle to cool down before inspecting any components under the hood

Symptoms

  • •Sunroof switch is unresponsive
  • •Sunroof does not open or close
  • •No motor noise when attempting to operate the sunroof
  • •Sunroof partially opens but does not fully close
  • •Water leaks inside the vehicle around the sunroof area

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Flathead screwdriver
  • •Trim removal tool

Parts Required

  • •Sunroof motor (if defective)
  • •Replacement fuse (if blown)

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather tools: socket set, multimeter, flathead screwdriver, and a trim removal tool.
  • Disconnect the vehicle battery to ensure safety while working on electrical components.
2. Inspect and Replace the Fuse
  • Locate the fuse box, usually found under the dashboard or near the driver's side.
  • Remove the cover and identify the sunroof fuse using the diagram on the lid.
  • Use a fuse puller or pliers to remove the fuse.
  • Inspect the fuse for any signs of burning or breakage. If faulty, replace it with a fuse of the same amperage.
3. Test the Sunroof Motor
  • Remove the sunroof switch from the overhead console using a flathead screwdriver.
  • Disconnect the wiring harness from the switch.
  • Use a multimeter to check for voltage at the harness when the switch is activated.
  • If voltage is present, proceed to test the motor directly by applying 12V power to the motor terminals.
  • If the motor operates, the issue may be with the switch or wiring; if it does not, the motor may need replacement.
4. Inspect the Sunroof Mechanism
  • Remove the sunroof panel by unscrewing the retaining screws along the edges.
  • Inspect the sunroof tracks for debris or blockage that may prevent movement.
  • Clean the tracks and ensure that the guide rails are lubricated with a silicone-based lubricant.
  • Reinstall the sunroof panel and ensure it is properly aligned.
5. Check Wiring and Connections
  • Inspect the wiring harness leading to the sunroof motor for any signs of damage, such as fraying or corrosion.
  • Repair any damaged wires, ensuring good connections.
  • Reconnect the wiring harness and test the sunroof operation again.