Honda Pilot YF3 (2016-2022) battery dies overnight what should I do

Solution

1. Preparation

• Gather tools: OBD-II scanner, multimeter, socket set, battery terminal cleaner, and load tester.
• Ensure safety by wearing gloves and safety glasses.

2. Battery Replacement (if necessary)

1. Disconnect Battery:
   • Turn off all electrical accessories.
   • Use a socket set to remove the negative terminal first, then the positive terminal.
2. Remove the Old Battery:
   • Unscrew any hold-down brackets and lift the battery out carefully.
3. Install New Battery:
   • Place the new battery in the tray.
   • Reattach the hold-down bracket.
   • Connect the positive terminal first, then the negative terminal.
   • Ensure terminals are clean and secure.

3. Repair Parasitic Draw (if applicable)

1. Identify Problematic Circuit:
   • Based on the fuse removal test, identify the circuit causing the draw.
2. Inspect Components:
   • Visually inspect the wiring and components connected to the problematic fuse.
   • Look for damaged wires, short circuits, or malfunctioning devices (e.g., lights, modules).
3. Repair or Replace:
   • Repair any damaged wiring or replace faulty components as needed.