why do my interior lights stay on when the doors are closed in my Honda CR-V

Solution

1. Preparation

• Gather tools including a multimeter, socket set, and OBD-II scanner.
• Disconnect the negative battery terminal to prevent electrical shock.
• Ensure the vehicle is parked on a flat surface and the ignition is off.

2. Inspect and Test Door Switches

• Sub-step 1: Remove the door panel of each affected door using a socket set to access the door switch.
• Sub-step 2: Locate the door switch and disconnect the wiring harness.
• Sub-step 3: Use a multimeter to check for continuity when the switch is pressed.
  • If there is no continuity, the switch needs to be replaced.
• Sub-step 4: Reconnect the wiring harness and reassemble the door panel.

3. Inspect Wiring Harness

• Sub-step 1: Trace the wiring from the door switches to the body control module.
• Sub-step 2: Look for any signs of damage or corrosion in the connectors and wires.
• Sub-step 3: Repair or replace any damaged wiring or connectors as necessary.

4. Reset Body Control Module

• Sub-step 1: Reconnect the negative battery terminal.
• Sub-step 2: Use the OBD-II scanner to clear any error codes from the body control module.
• Sub-step 3: Test the door switches again to ensure functionality.