1. Throttle Pedal Position Sensor Function: Transmits driver's acceleration input to ECU Connector Type: Typically M8/M12 IP67 Why Waterproof? Resists engine bay moisture & oil splash Prevents signal drift from condensation 2. Brake Pedal Sensor (E-Pedal Systems) Function: Sends brake engagement data for regenerative braking Connector Type: 2-4 pin IP69K Critical Protection: Withstands high-pressure underbody wash Shields against road salt corrosion 3. Pedal Module Wiring Harness Location: Footwell area (vulnerable to spills) Connector Features: Sealed inline connectors (IP67) Strain relief designs for wire fatigue prevention 4. Accelerator Pedal Haptic Feedback Motors Emerging Application: EV drive-mode feedback systems Requires micro waterproof connectors (IP65+) 5. Pedal-to-ECU Communication Lines Critical Requirements: EMI-shielded waterproof connectors High-vibration resistance (per USCAR-2)