Standby Power Supply: Service and Repair

Do not open the DERM case for any reason. Touching the connector pins or soldered components may cause electrostatic discharge damage. Repair of a faulty DERM is by replacement only.

1. Deactivate airbag system as described under MAINTENANCE PROCEDURES/AIRBAG DEACTIVATION.
2. Disconnect battery ground cable.
3. Remove orange connector lock and disconnect DERM electrical connector.
4. From below instrument panel, at right side steering column, remove DERM mounting bracket from steering column support member.
5. Disconnect and remove resistor module from DERM mounting bracket, then remove DERM from bracket.
6. Reverse procedure to install, noting the following:
a. Following installation, activate airbag system as described under MAINTENANCE PROCEDURES/AIRBAG ACTIVATION.
b. Turn ignition switch to the On position and verify the ``Inflatable Restraint'' indicator flashes 7 to 9 times then turns Off. If indicator does not respond, refer to DIAGNOSIS AND TESTING PROCEDURE/TESTING PROCEDURES/RETRIEVING TROUBLE CODES.