Remove the right C-Pillar trim (see page 20-35) Make sure the antenna module mounting bolt (A) is torqued to 9.8 Nm (1.0 kgf/m, 7.2 lbf/ft). Wire side of female terminals Disconnect the 2P connector from the antenna module (B). Turn the ignition switch ON (II), and turn the rear window defogger switch ON. Check for voltage between the No. 2 terminal and body ground. There should be battery voltage. If there is no voltage, check for. Faulty rear window defogger relay. Blown No. 11 (40 A) fuse in the under-hood fuse/relay box. An open in the BLK/YEL wire. Check for continuity between No. 1 terminal and audio unit 20P connector No. 1 terminal. There should be continuity. If there is no continuity, check for an open in the YEL/GRN wire.

Disconnect the rear window defogger (+B OUT) connector (C) from the antenna module. Check for continuity between the rear window defogger negative terminal connector and body ground. There should be continuity. If there is no continuity, check for. An open in the BLK wire. An open in the rear window defogger wire (see page 22-45). Poor ground (G701).