why does my Honda Civic make a clicking noise when I turn the key

Solution

1. Preparation

• Gather tools: OBD-II scanner, multimeter, socket set, and wrench set.
• Ensure the vehicle is in park (automatic) or neutral (manual) and the parking brake is engaged.

2. Battery Inspection

• Sub-step 1: Disconnect the negative battery terminal using a wrench.
• Sub-step 2: Clean any corrosion from battery terminals using a wire brush or terminal cleaner.
• Sub-step 3: Reconnect the battery terminal and ensure it is secure.

3. Starter Relay Replacement

• Sub-step 1: Locate the starter relay in the fuse box (refer to the owner's manual for exact location).
• Sub-step 2: Remove the relay by pulling it straight out from the socket.
• Sub-step 3: Insert a new relay into the socket firmly.

4. Starter Motor Replacement (if necessary)

• Sub-step 1: Disconnect the battery again for safety.
• Sub-step 2: Raise the vehicle and secure it on jack stands.
• Sub-step 3: Remove the wiring harness connected to the starter motor.
• Sub-step 4: Remove the mounting bolts securing the starter motor to the engine block.
• Sub-step 5: Extract the starter motor from its position and replace it with a new unit.
• Sub-step 6: Reinstall the wiring harness and secure the starter motor with the mounting bolts (torque to manufacturer specifications).