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:
PROBLEM SYMPTOMS CHART - AUDIO FUNCTION
| 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 | INSTRUMENT PANEL SAFETY PAD | |||
| 5. Radio Receiver | REMOVAL | |||
| Panel switch does not function. | 1. Steering Pad Switch Circuit | STEERING PAD SWITCH CIRCUIT | ||
| 2. Radio Receiver | REMOVAL | |||
| 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)) | REMOVAL | |||
| 7. Radio Receiver | REMOVAL | |||
| 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 INSERTED / PLAYED OR CD IS EJECTED RIGHT AFTER INSERTION | ||
| 2. Radio Receiver Power Source Circuit | RADIO RECEIVER POWER SOURCE CIRCUIT | |||
| 3. Radio Receiver | REMOVAL | |||
| 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 | REMOVAL | |||
| 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)) | REMOVAL | |||
| 5. Radio Receiver | REMOVAL | |||
| CD sound skips. | 1. "CD Sound Skips" | CD SOUND SKIPS | ||
| 2. Radio Receiver | REMOVAL | |||
| 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)) | REMOVAL | |||
| 6. Radio Receiver | REMOVAL | |||
|
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Tape player function (*1):
PROBLEM SYMPTOMS CHART - TAPE PLAYER FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| No sound can be heard from speakers (tape player). | 1. Mute Signal Circuit between Radio Receiver and Tape Player | MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TAPE PLAYER |
| 2. Sound Signal Circuit between Radio Receiver and Tape Player | SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND TAPE PLAYER | |
| 3. Tape Player Power Source Circuit | TAPE PLAYER POWER SOURCE CIRCUIT | |
| 4. Tape Player | REMOVAL | |
| 5. Radio Receiver | REMOVAL | |
| Cassette tape cannot be inserted or played. | 1. "Cassette Tape cannot be Inserted or Played" | CASSETTE TAPE CANNOT BE INSERTED OR PLAYED |
| 2. Tape Player | REMOVAL | |
| Cassette tape cannot be ejected. | 1. "Cassette Tape cannot be Ejected" | CASSETTE TAPE CANNOT BE EJECTED |
| 2. Tape Player | REMOVAL | |
| Sound quality is bad only when playing tape. | "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. | "Tape is Tangled due to Incorrect Tape Speed or Auto-Reverse Malfunction" | TAPE IS TANGLED DUE TO INCORRECT TAPE SPEED OR AUTO-REVERSE MALFUNCTION |
| *1 : with Tape Player | ||
Steering pad switch function:
PROBLEM SYMPTOMS CHART - STEERING PAD SWITCH FUNCTION
| 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 | REMOVAL | |
| Illumination for steering pad switch does not come on when light control switch is turned to TAIL or HEAD. | Illumination circuit | ILLUMINATION CIRCUIT |
Others:
PROBLEM SYMPTOMS CHART - OTHERS
| 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 |