my Toyota Corolla E170 (2013-2019) won’t start and just clicks, what should I do

Solution

1. Preparation

• Gather tools and materials: OBD-II scanner, multimeter, socket set, hammer, cleaning brush, and replacement parts if necessary.
• Ensure the vehicle is in park or neutral and the parking brake is applied.

2. Battery Inspection

• Sub-steps:
  1. Disconnect the negative (-) battery terminal to prevent electrical shorts.
  2. Clean any corrosion from the battery terminals using a cleaning brush.
  3. Reconnect the battery terminals securely.

3. Starter Motor Replacement (if necessary)

• Sub-steps:
  1. Disconnect the negative battery terminal again.
  2. Remove the starter motor by unbolting it from the engine block using the socket set.
     • Note the torque specifications for reinstallation (typically around 20-25 ft-lbs for the starter bolts).
  3. Disconnect the electrical connectors from the starter motor.
  4. Install the new starter motor by reversing the removal steps.

4. Testing and Reconnection

• Sub-steps:
  1. Reconnect the electrical connectors to the new starter motor.
  2. Reinstall the starter motor and torque the bolts to specifications.
  3. Reconnect the negative battery terminal.
  4. Attempt to start the vehicle.