## How to Diagnose the Trouble Related to the CD or Cassette

### How to diagnose the trouble when the memory of the radio disappears

1. | Confirm the voltage of battery. Is the voltage of the battery normal? YES - Go to 6. NO - Go to 2.

2. | Charges the battery, then measure a voltage again. Is the voltage of the battery normal? YES - Go to 3. NO - Replace the battery.n

3. | Connect the battery positive cable with negative cable, and remove the center panel from the dashboard.

4. | Disconnect the 20P connector from the audio unit.

5. | Check for voltage between the audio unit 20P connector No. 2 terminal and ground. Is there battery voltage? YES - Go to 6. NO - Repair open in the wire or inspect the audio unit connector.n

6. | Push either of preset buttons, and confirm whether a symptom occurs. Does a symptom occur? YES - Replace the audio unit.n NO - Check it again because it thinks about a transient trouble.n

### How to diagnose the trouble when you can't remove the cassette or CD from the drive even pressing the EJECT button

1. | Push the EJECT button, and confirm whether a CD or a cassette is discharged normally or not. Are you discharged normally? YES - Operation is normal.n NO - Go to 2.

2. | Confirm whether it is completely discharged from the audio unit. Are you discharged from the audio unit so that it may be stuck? YES - Go to 3. NO - Replace the audio unit when you can't discharge it completely from the audio unit.n

3. | Change it for another CD or the cassette, and reconfirm. Does the same symptom occur? YES - Replace the audio unit.n NO - Replace the CD or cassette.n

### How to diagnose the trouble at the time of the error indication of the audio unit

1. | Insert a CD or a cassette, and confirm whether a symptom reappears. Do you indicate an error? YES - Go to 2. NO - Operation is normal.n

2. | Exchange it for another CD or cassette, and reconfirm it. Does a symptom occur? YES - Replace the audio unit.n NO - Replace the CD or cassette.n

### How to diagnose a trouble for the sound of the CD or the cassette to be interrupted halfway

1. | Insert a CD or a cassette, and confirm whether a symptom reappears. Did a symptom reappear again? YES - Go to 2. NO - Operation is normal.n

2. | Confirm whether there is a wrong point in the CD or the cassette. Is there a wrong point in the CD or the cassette? YES - Insert and reconfirm a normal CD or a cassette.n NO - Go to 3.

3. | It is the flat ground and confirm whether a symptom occurs. Does a symptom occur? YES - Replace the audio unit.n NO - Operation is normal.n

### How to diagnose the trouble when sound doesn't come out at all

1. | Only a specific speaker confirms whether sound doesn't come out. Only the specific speaker doesn't sound come on? YES - Go to 2. NO - Go to 5.

2. | Confirm whether there is a wrong point in the speaker which sound doesn't come out in. Is there a wrong point in the speaker? YES - Reconfirm it after you replace a speaker.n NO - Go to 3.

3. | Confirm the connector connection condition of the speaker. Is a connector connected with the speaker securely? YES - Go to 4. NO - Reconfirm it because it thinks about a transient trouble.n

4. | Do a continuity check after you remove the connector of the audio unit and the connector of the speaker. Is there continuity? YES - Go to 5. NO - Repair in the wire.n

5. | Check the connection condition of the connector of the audio unit. Is a connector connected with the audio unit securely? YES - Replace the audio unit.n NO - Reconnect a connector with the audio unit again, and confirm it.n

### The way whose it is small too mach and that or the sound of the speaker diagnoses the trouble when sound to be distorted.

1. | Confirm whether a symptom occur in all the CD or the cassette. Does a symptom occur? YES - Go to 2. NO - Replace the CD or cassette.n

2. | Confirm whether there is wrong point in the speaker. Is there a wrong point in the speaker? YES - Replace the speaker.n NO - Replace the audio unit.n