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AUDIO AV-41 C D E F G H I J L M A B AV 2007 Pathfinder 4. CHECK REQ1 SIGNAL 1. Connect satellite radio tuner (factory installed) connector and audio unit connector. 2. Turn ignition switch to ACC 3. Check signal between satellite radio tuner (factory installed) har- OK or NG OK >> GO TO 5. NG >> Replace audio unit. Refer too. AV-61, "AUDIO UNIT - WITHOUT NAVI" . 5. CHECK TXD SIGNAL 1. Check signal between satellite radio tuner (factory installed) har- OK or NG OK >> GO TO 6. NG >> Replace audio unit. Refer to AV-61, "AUDIO UNIT - WITHOUT NAVI" . 6. CHECK RXD SIGNAL 1. Check signal between satellite radio tuner (factory installed) har- OK or NG OK >> Replace satellite radio tuner. Refer to NG >> Replace audio unit. Refer to AV-61, "AUDIO UNIT - WITHOUT NAVI" . 28 - Ground : Refer to and Reference Values for Sat- . WKIA4544E 29 - Ground : Refer to and Reference Values for Sat- . WKIA4545E 30 - Ground : Refer to and Reference Values for Sat- . WKIA4546E |