Cube L4-1.8L (MR18DE) (2010)
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and TEL adapter unit connector.
3. Check continuity between audio unit harness connector and TEL adapter unit harness connector.
4. Check continuity between audio unit harness connector and ground.
Is inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK AUDIO UNIT VOLTAGE
1. Connect audio unit connector and TEL adapter unit connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector terminals.
Is inspection result normal?
YES - Replace TEL adapter unit. See: Cellular Phone/Service and Repair/Exploded View/Display Audio System.
NO - Replace audio unit. See: Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Audio Unit/Exploded View.