Convertible Top Switch: Testing and Inspection

The wiring information includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds.

Any diagnosis of the power top system should begin with the use of a scan tool and the proper Diagnostic Procedures Information. The scan tool can provide confirmation that the Programmable Communications Interface (PCI) data bus is functional, that all of the electronic modules are sending and receiving the proper messages on the PCI data bus, and that the power top motor is being sent the proper hard wired output by the Body Control Module (BCM).

If the problem being diagnosed is an inoperative power top switch illumination lamp, but the power top switch operates as designed, replace the power top switch. If the problem being diagnosed is an inoperative power top up or down perform the following:
1. Disconnect and isolate the battery negative cable.
2. Remove the power top switch.
3. Disconnect the power top switch wire harness connector.

Power Top Switch Pinout:

Power Top Switch Test Chart:

4. Using an ohmmeter, test the resistances of the power top switch in each switch position. If OK, use a scan tool and the proper Diagnostic Procedures Information to complete diagnosis of the power top system. If not OK, replace the inoperative power top switch.