Initial Inspection and Diagnostic Overview

Inspection and Verification

1. Verify the customer concern.
2. Visually inspect for obvious mechanical or electrical faults.

Mechanical Electrical
^ Glass panel assembly - Fuses Battery junction box (BJB) - link 11E BJB - link 15E Central junction box (CJB) - Fuse 20P
^ Glass panel seal - Battery junction box (BJB)
^ Frame assembly - Central junction box (CJB)
^ Sunblind - Wiring harness
^ Deflector - Loose or corroded connector(s)
^ Access panel - Roof opening panel motor and control module
^ Roof opening panel cables - Roof opening panel switch
^ Drain tube(s)

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) before moving onto the symptom chart or DTC index.
^ Make sure that all DTCs are cleared the rectification.