DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.ANTENNA AMP. INSPECTION
Visually inspect the antenna base (antenna amp.) and antenna feeder. Refer to AV "Feeder Layout".
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning components.
2.CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND ANTENNA BASE
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M102 and antenna base connector M351.
3. Check continuity between AV control unit connector M102 and antenna base connector M351.
4. Check continuity between AV control unit connector M102 and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
3.CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M102.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M102 and ground.
Is the inspection result normal?
YES >> Replace antenna base. Refer to AV "Removal and Installation".
NO >> Replace AV control unit. Refer to AV "Removal and Installation".