For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

Note: Replace or repair the wiring harnesses observing the safety regulations of electrics/electronics.

1. Disconnect the battery.
2. Remove the rear side door trim panel. Refer to Rear Side Door Trim Panel Replacement.
3. Remove the vapor deflection barrier.
4. Remove the rear door wiring harness.

### Installation Procedure

1. Install the rear door wiring harness.
2. Install the water vapor barrier.
3. Install the rear side door trim panel. Refer to Rear Side Door Trim Panel Replacement.
4. Connect the battery.
5. For reprogramming procedures, refer to Control Module References.