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how to fix the power locks not working in my Toyota Corolla E170 (2013-2019) - Toyota Corolla
Home/Cars/Toyota/Corolla/E170 (2013-2019)/how to fix the power locks not working in my Toyota Corolla E170 (2013-2019)

how to fix the power locks not working 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
522 words

Problem Statement

Learn how to diagnose and fix power locks not working 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 lock switch does not respond
  • •No sound or movement from the locks
  • •Manual locking and unlocking works without issue
  • •Possible blown fuse related to power locks
  • •Warning light on the dashboard for door locks (if equipped)

Diagnostic Steps

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

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
  • •Phillips screwdriver
  • •Trim removal tool

Parts Required

  • •Power lock switch (if faulty)
  • •Power lock actuator (if faulty)
  • •Fuse (if blown)

Additional Information

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

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Solution
1. Preparation
  • Tools Required: Socket set, multimeter, flathead screwdriver, Phillips screwdriver, trim removal tool.
  • Ensure the vehicle is turned off and keys are removed from the ignition.
  • Disconnect the negative battery terminal to prevent electrical shock.
2. Check and Replace Fuse
  • Locate the fuse box (typically under the dashboard on the driver's side).
  • Remove the fuse for the power locks (refer to the owner's manual for specific fuse location).
  • Inspect the fuse visually or test it with a multimeter.
  • If blown, replace it with a fuse of the same amperage (usually 15A).
  • Reconnect the fuse box cover.
3. Inspect Power Lock Switch
  • Remove the power lock switch from the door panel using a trim removal tool.
  • Disconnect the electrical connector from the switch.
  • Use a multimeter to check for continuity across the switch terminals when pressed.
  • If defective, replace the switch with a new one.
4. Test the Power Lock Actuator
  • Remove the door panel to access the door lock actuator (use a Phillips screwdriver and trim removal tool).
  • Disconnect the actuator wiring harness.
  • Use a multimeter to check for power at the actuator connector when the lock button is pressed.
  • If there is power but the actuator does not function, replace the actuator.
  • Reassemble the door panel after repairs.
5. Reconnect Battery and Test
  • Reconnect the negative battery terminal.
  • Test the power locks using the switch to ensure they are functioning properly.