Antitheft Motion Sensor: Service and Repair
Anti-Theft Alarm System with Ultrasonic Interior Monitoring
=> [ Radar Interior Monitoring Control Modules ]
=> [ Inclination/Anti-Theft Control Module ]
=> [ Alarm Horn ]
=> [ Passenger Compartment Monitoring Switch and Alarm System -Off- Switch ]
Observe notes on contact corrosion. Refer to => [ Contact Corrosion ] Service Precautions.
Radar Interior Monitoring Control Modules
Radar interior monitoring control module 1 (G303) and/or radar interior monitoring control module 2 (G305) are integrated into front interior lamp and cannot be replaced separately if faulty.
- Front interior lamp, replacing, refer to => [ Front Interior Lamp with Roof Electronics Control Module, through 08.07 ] Roof Trim Lamps and Switches or => [ Front Interior Lamp with Roof Electronics Control Module, from 09.07 ] Roof Trim Lamps and Switches.
Inclination/Anti-Theft Control Module
• Component location: Under the right rear seat.
Removing
- If the control module was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions" with the vehicle diagnosis, testing and information system (VAS 5051B).
- Switch off ignition and remove ignition key.
- Remove rear seat bench or right individual seat.
- Remove nuts - arrows - and remove inclination/anti-theft control module (J529) - item 1 -.
- Disconnect electrical connector - 2 -.
Installing
Install in reverse order of removal, observing the following:
- Install rear seat bench or right individual seat.
Tightening Specifications
Alarm Horn
• Component location: At front right of plenum chamber beneath side trim.
Removing
- Switch off ignition and remove ignition key.
- Remove rubber seal - 1 - on plenum chamber covers.
- Remove plenum chamber cover - 2 -.
• Disregard item - 3 -.
- Remove bolts - 2 - and - 3 - and remove alarm horn (H12) out of plenum chamber.
- Disconnect electrical connector - 1 -.
Installing
Install in reverse order.
Tightening Specifications
Passenger Compartment Monitoring Switch and Alarm System -Off- Switch
Removing
- Switch off ignition and remove ignition key.
- Carefully pry trim panel out of door trim.
- Unplug door safety lamp connector.
- Disconnect electrical connector - 3 -.
- Carefully unfasten and press button - 2 - to rear out of trim panel - 1 -.
Installing
Install in reverse order.