Check the wiring harness and connectors leading to the MAP sensor for signs of corrosion, moisture, or chafing.
: This large connector is a common failure point for electrical issues in the Scenic II. Water ingress or moisture can cause corrosion on the pins, leading to signal incoherence. df045 renault scenic
: The little red LED on the handbrake switch might stop lighting up, even if the brake itself is technically working. The Common Culprits The Dashboard Switch (Most Likely) Check the wiring harness and connectors leading to