Corrective Repair Steps

If malfunctions occur to Ultrasonic Interior Monitoring system, repair as follows:
- Check switch deactivation. Testing and Inspection
- Check wiring See Wiring Diagram Troubleshooting and Component Location.
- Perform interior monitor diagnosis. Testing and Inspection
- Evaluate diagnosis according to diagnostic table, refer to "Interior Monitoring, Diagnosis" Testing and Inspection and repair accordingly.

Sensors, replacing
- Replace sensors. Interior Monitoring Sensors, Removing/Installing
- Visually inspect for irregularities (e.g. connections).
- Replace sensors - do not install B pillar trim.
- Perform diagnosis. Refer to "Interior Monitoring, Diagnosis". Testing and Inspection
- To check function refer to "Interior Monitoring, Functional Check". Testing and Inspection

Removed sensors, diagnosis
- Reinstall one used sensor.
- Perform diagnosis. Refer to "Interior Monitoring, Diagnosis". Testing and Inspection
- To check function refer to "Interior Monitoring, Functional Check". Testing and Inspection
- Reinstall second used sensor.
- Perform diagnosis. Refer to "Interior Monitoring, Diagnosis". Testing and Inspection
- To check function refer to "Interior Monitoring, Functional Check". Testing and Inspection
- Based on test results, replace sensors (s) if necessary.
- Install sensors and B pillar trim.

If both tests show a malfunction replace Control Module. Interior Monitoring Control Module, Removing/Installing

Control Module, removing
- Remove Control Module. Interior Monitoring Control Module, Removing/Installing
- Install new Control module.
- To diagnose refer to "Interior Monitoring, Diagnosis". Testing and Inspection
- To check function refer to "Interior Monitoring, Functional Check". Testing and Inspection

If both tests are not OK, check wiring according to latest Wiring Diagram:
- Terminal assignments for Control Module Connector, Connector Locations
- Terminal assignments for sensor connector, Connector Locations
- Repair wiring.
- To diagnose, refer to "Interior Monitoring, Diagnosis". Testing and Inspection
- To check function refer to "Interior Monitoring, Functional Check". Testing and Inspection