Quick Reference Guide 43
7. Carefully place the service door onto the right side of the housing.
8. Torque the torx head screws to 4.0 + 10% kgf-cm (3.5 ± 10% lbs-in).
Replacing the Backup Battery
To replace the backup battery:
1. Place the Main Power switch on the right side of the vehicle computer
to the off position and perform cold boot to electrically disconnect the
battery from the unit.
2. Open the four screws securing the Backup Battery door on the back of
the vehicle computer and remove the door.
3. Open the four screws securing the Backup Battery and disconnect the
Backup Battery connector.
4. Carefully pull the Backup Battery out of the computer.
5. Place the new backup battery into the well.
CAUTION Be sure to torque the screws to seal the device properly.
Otherwise, sealing can be compromised.
CAUTION Use ESD precautions when installing the backup
battery.
Desiccant Bag
Service Door
Desiccant Well
Bag Tab