my Skoda Octavia NFL (2020-Present) won't start even with a new battery

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle battery to ensure safety during inspection and repair.

2. Inspect Battery Connections

• Tools Required: Wrench set, wire brush
• Clean any corrosion from battery terminals and cables using a wire brush.
• Ensure that the battery cables are securely fastened to the battery posts.

3. Check and Replace Fuses

• Tools Required: Fuse puller or needle-nose pliers
• Locate the fuse box (refer to the owner's manual for location).
• Inspect fuses related to the starter and ignition systems for continuity.
• Replace any blown fuses with the same amperage rating.

4. Test the Starter Motor

• Tools Required: Multimeter, jumper cables
• Connect the multimeter to the starter motor terminals.
• Have an assistant turn the ignition key to the start position while you check for voltage at the starter.
• If voltage is present but the starter does not engage, replace the starter motor.

5. Inspect Ignition Switch

• Tools Required: Screwdriver set
• Remove the steering column cover to access the ignition switch.
• Check for any visible damage or wear on the ignition switch.
• If faulty, replace the ignition switch.

6. Verify Ground Connections

• Tools Required: Socket set
• Inspect the ground connection from the battery to the chassis and the engine block.
• Clean and tighten any loose or corroded connections.

7. Check Starter Relay

• Tools Required: Multimeter
• Locate the starter relay in the fuse box.
• Test the relay for continuity using a multimeter.
• If the relay is defective, replace it with a new one.