my Toyota RAV4 XA50 (2019-2024) battery light is on what does it mean

Solution

1. Preparation

• Gather necessary tools and parts.
• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench.
• Safety Warnings: Disconnect the battery before starting any electrical work.

2. Battery Inspection

• Sub-steps:
  1. Disconnect the negative terminal of the battery.
  2. Clean any corrosion from the battery terminals using a wire brush and a solution of baking soda and water.
  3. Reconnect the battery terminals ensuring they are secure.

3. Alternator Inspection

• Sub-steps:
  1. Remove the alternator belt by loosening the tensioner bolt.
  2. Inspect the alternator for any signs of damage or wear.
  3. Test the alternator using the multimeter to confirm proper output (should read 13.7 to 14.7 volts).
  4. If the alternator is faulty, proceed to replace it.

4. Alternator Replacement (if necessary)

• Sub-steps:
  1. Disconnect the electrical connectors from the alternator.
  2. Remove the mounting bolts using the socket set.
  3. Install the new alternator by reversing the removal steps.
  4. Reconnect the electrical connectors.
  5. Reinstall the alternator belt and adjust it to the proper tension.