Check Antenna Feeder Cable
Disconnect antenna feeder cable from Smart Entrance Control Unit (SECU). Remove rear pillar garnish. Disconnect antenna feeder cable from rear window antenna. Using DVOM, check antenna feeder cable for continuity. Continuity should be present. Ensure continuity is not present between antenna feeder cable and ground. If continuity is as specified, go to next step. If continuity is not as specified, replace antenna feeder cable.
NOTE:
For the next step, wrap a piece of tin foil around DVOM probe to provide better contact with antenna filament.