Problem Symptoms Table
HINT:
- Before performing verification listed in the table below, check the fuse and relay.
- Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.
Audio function:
AUDIO FUNCTION - PROBLEM SYMPTOMS
| Symptom | Suspected area | See | ||
|---|---|---|---|---|
| Pressing power switch does not turn on system. | 1. "Pressing Power Switch does not Turn on System" | PRESSING POWER SWITCH DOES NOT TURN ON SYSTEM | ||
| 2. Multi-display Power Source Circuit | MULTI-DISPLAY POWER SOURCE CIRCUIT | |||
| 3. Radio Receiver Power Source Circuit | RADIO RECEIVER POWER SOURCE CIRCUIT | |||
| 4. Multi-display | MULTI-DISPLAY | |||
| 5. Radio Receiver | RADIO RECEIVER | |||
| Panel switch does not function. | 1. Steering Pad Switch Circuit | STEERING PAD SWITCH CIRCUIT | ||
| 2. Radio Receiver | RADIO RECEIVER | |||
| No sound can be heard from speakers. | 1. "No Sound can be Heard from Speakers" | NO SOUND CAN BE HEARD FROM SPEAKERS | ||
| 2. Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier ((1)) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |||
| 3. Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier ((1)) | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |||
| 4. Speaker Circuit | SPEAKER CIRCUIT | |||
| 5. Stereo Component Amplifier Power Source Circuit ((1)) | STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT | |||
| 6. Stereo Component Amplifier ((1)) | FRONT STEREO COMPONENT SPEAKER | |||
| 7. Radio Receiver | RADIO RECEIVER | |||
| Radio broadcast cannot be received or poor reception. | "Radio Broadcast cannot be Received or Poor Reception" | RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION | ||
| CD cannot be inserted / played or CD is ejected right after insertion. | 1. "CD cannot be Inserted / Played or CD is Ejected Right After Insertion" | CD CANNOT BE EJECTED | ||
| 2. Radio Receiver Power Source Circuit | RADIO RECEIVER POWER SOURCE CIRCUIT | |||
| 3. Radio Receiver | RADIO RECEIVER | |||
| CD cannot be ejected. | 1. "CD cannot be Ejected" | CD CANNOT BE EJECTED | ||
| 2. Radio Receiver Power Source Circuit | RADIO RECEIVER POWER SOURCE CIRCUIT | |||
| 3. Radio Receiver | RADIO RECEIVER | |||
| Noise occurs. | 1. "Noise Occurs" | NOISE OCCURS | ||
| 2. Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier ((1)) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |||
| 3. Stereo Component Amplifier Power Source Circuit ((1)) | STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT | |||
| 4. Stereo Component Amplifier ((1)) | FRONT STEREO COMPONENT SPEAKER | |||
| 5. Radio Receiver | RADIO RECEIVER | |||
| CD sound skips. | 1. "CD Sound Skips" | CD SOUND SKIPS | ||
| 2. Radio Receiver | RADIO RECEIVER | |||
| Poor sound quality in all modes (low volume). | 1. "Poor Sound Quality in All Modes (Low Volume)" | POOR SOUND QUALITY IN ALL MODES (LOW VOLUME) | ||
| 2. Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier ((1)) | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |||
| 3. Stereo Component Amplifier Power Source Circuit ((1)) | STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT | |||
| 4. Radio Receiver Power Source Circuit | RADIO RECEIVER POWER SOURCE CIRCUIT | |||
| 5. Stereo Component Amplifier ((1)) | FRONT STEREO COMPONENT SPEAKER | |||
| 6. Radio Receiver | RADIO RECEIVER | |||
|
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Tape player function:
TAPE PLAYER FUNCTION - PROBLEM SYMPTOMS
| Symptom | Suspected area | See | ||
|---|---|---|---|---|
| No sound can be heard from speakers (tape player) ((1)) | 1. Mute Signal Circuit between Radio Receiver and Tape Player | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | ||
| 2. Sound Signal Circuit between Radio Receiver and Tape Player | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER | |||
| 3. Tape Player Power Source Circuit | TAPE PLAYER POWER SOURCE CIRCUIT | |||
| 4. Tape Player | TAPE PLAYER | |||
| 5. Radio Receiver | RADIO RECEIVER | |||
| Cassette tape cannot be inserted or played. ((1)) | 1. "Cassette Tape cannot be Inserted or Played" | CASSETTE TAPE CANNOT BE EJECTED | ||
| 2. Tape Player | TAPE PLAYER | |||
| Cassette tape cannot be ejected. ((1)) | 1. "Cassette Tape cannot be Ejected" | CASSETTE TAPE CANNOT BE EJECTED | ||
| 2. Tape Player | TAPE PLAYER | |||
| Sound quality is bad only when playing tape. ((1)) | "Sound Quality is Bad Only when Playing Tape" | SOUND QUALITY IS BAD ONLY WHEN PLAYING TAPE | ||
| Tape is tangled due to incorrect tape speed or auto reverse malfunction. ((1)) | "Tape is Tangled due to Incorrect Tape Speed or Auto-Reverse Malfunction" | TAPE IS TANGLED DUE TO INCORRECT TAPE SPEED OR AUTO-REVERSE MALFUNCTION | ||
|
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Steering pad switch function:
STEERING PAD SWITCH FUNCTION - PROBLEM SYMPTOMS
| Symptom | Suspected area | See |
|---|---|---|
| The system cannot be operated by the steering pad switch. | 1. Steering Pad Switch Circuit | STEERING PAD SWITCH CIRCUIT |
| 2. Radio Receiver | RADIO RECEIVER | |
| Illumination for steering pad switch does not come on when light control switch is turned to TAIL or HEAD. | Illumination circuit | ILLUMINATION CIRCUIT |
Others:
OTHERS - PROBLEM SYMPTOMS
| Symptom | Suspected area | See |
|---|---|---|
| Radio receiver does not illuminate at night (when the light control switch is turned to TAIL or HEAD). | Illumination circuit | ILLUMINATION CIRCUIT |