Problem Symptoms Table
NOTE:
After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
AUDIO FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Pressing power switch does not turn on system. | Proceed to "Pressing Power Switch does not Turn on System" | Refer to Pressing Power Switch does not Turn on System |
| Proceed to "Radio receiver power source circuit" | Refer to Radio Receiver Power Source Circuit | |
| Proceed to "AVC-LAN circuit"*1 | Refer to AVC-LAN Circuit | |
| Radio receiver assembly | Refer to REMOVAL | |
| Panel switch does not function. | Proceed to "Steering pad switch circuit" | Refer to Steering Pad Switch Circuit |
| Proceed to "AVC-LAN circuit"*1 | Refer to AVC-LAN Circuit | |
| Radio receiver assembly | Refer to REMOVAL | |
| No sound can be heard from speakers. (Audio is mute.) | Proceed to "AVC-LAN circuit"*1 | Refer to AVC-LAN Circuit |
| Proceed to "Radio receiver power source circuit" | Refer to Radio Receiver Power Source Circuit | |
| Proceed to "No Sound can be Heard from Speakers" | Refer to No Sound can be Heard from Speakers | |
| Proceed to "Speaker circuit" | Refer to Speaker Circuit | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU"*1 | Refer to Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU | |
| Radio receiver assembly | Refer to REMOVAL | |
| Sound quality is bad in all modes. (Volume is too low.) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | Refer to Poor Sound Quality in All Modes (Low Volume) |
| Proceed to "Speaker circuit" | Refer to Speaker Circuit | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU"*1 | Refer to Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU | |
| Radio receiver assembly | Refer to REMOVAL | |
| ASL does not function. | Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | Refer to Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter |
| External device sound cannot be heard or sound quality is bad. (Stereo jack is used.) | Proceed to "Radio receiver power source circuit" | Refer to Radio Receiver Power Source Circuit |
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" | Refer to Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter | |
| No. 1 stereo jack adapter assembly | Refer to REMOVAL | |
| Radio receiver assembly | Refer to REMOVAL | |
| Abnormal noise occurs. | Proceed to "Noise occurs" | Refer to Noise Occurs |
| Radio receiver assembly | Refer to REMOVAL | |
| Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | Refer to Radio Broadcast cannot be Received or Poor Reception |
| CD cannot be inserted/played or CD is ejected right after insertion. | Radio receiver power source circuit | Refer to Radio Receiver Power Source Circuit |
| Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion" | Refer to CD cannot be Inserted / Played or CD is Ejected Right After Insertion | |
| CD cannot be ejected. | Radio receiver power source circuit | Refer to Radio Receiver Power Source Circuit |
| Proceed to "CD cannot be Ejected" | Refer to CD cannot be Ejected | |
| Sound quality is bad only when CD is played. (Volume is too low.) | Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)" | Refer to Sound Quality is Bad Only when CD is Played (Volume is Too Low) |
| CD sound skips. | Proceed to "CD Sound Skips" | Refer to CD Sound Skips |
| Radio receiver assembly does not illuminate at night. | Illumination circuit | Refer to Illumination Circuit |
| Radio receiver assembly | Refer to REMOVAL |
- *1: w/ USB Audio System
STEERING PAD SWITCH FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Audio system cannot be operated with steering pad switch. | Proceed to "Steering pad switch circuit" | Refer to Steering Pad Switch Circuit |
| Radio receiver assembly | Refer to REMOVAL | |
| Steering pad switch does not illuminate at night. | Proceed to "Illumination circuit" | Refer to Illumination Circuit |
| Radio receiver assembly | Refer to REMOVAL |
"BLUETOOTH" HANDS-FREE FUNCTION*1
| Symptom | Suspected Area | See |
|---|---|---|
| Bluetooth is inoperative. | Proceed to "Microphone Circuit between Microphone and Radio Receiver" | Refer to Microphone Circuit between Microphone and Radio Receiver |
| Radio receiver assembly | Refer to REMOVAL | |
| Cellular phone registration failure, phone directory transfer failure. | Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure" | Refer to Cellular Phone Registration Failure, Phone Directory Transfer Failure |
| Cellular phone cannot send/receive. | Proceed to "Cellular Phone cannot Send/Receive" | Refer to Cellular Phone cannot Send/Receive |
| Proceed to "Steering pad switch circuit" | Refer to Steering Pad Switch Circuit | |
| Radio receiver assembly | Refer to REMOVAL | |
| Cellular phone cannot call in a certain place. | Proceed to "Cannot Call in a Certain Place" | Refer to Cannot Call in a Certain Place |
| Other callers voice cannot be heard, is too quiet, or distorted. | Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted" | Refer to The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted |
| Radio receiver assembly | Refer to REMOVAL | |
| Other caller cannot hear your voice, or your voice is too quiet or distorted. | Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted" | Refer to The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted |
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | Refer to Microphone Circuit between Microphone and Radio Receiver | |
| Radio receiver assembly | Refer to REMOVAL | |
| "Bluetooth" can be connected while driving. | Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | Refer to Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter |
- *1: w/ Telephone Microphone Assembly
"BLUETOOTH" AUDIO FUNCTION*1
| Symptom | Suspected Area | See |
|---|---|---|
| Portable player cannot be registered. | Proceed to "Portable Player cannot be Registered" | Refer to Portable Player cannot be Registered |
| Radio receiver assembly | Refer to REMOVAL | |
| Portable player cannot be connected manually/automatically. | Proceed to "Portable Player cannot be Registered" | Refer to Portable Player cannot be Registered |
| Proceed to "Portable Player cannot be Connected Manually / Automatically" | Refer to Portable Player cannot be Connected Manually/Automatically | |
| Radio receiver assembly | Refer to REMOVAL | |
| Cellular phone with portable audio function cannot be recognized as "Bluetooth" audio device even when connected using "Bluetooth". | Proceed to "Portable Player cannot be Registered" | Refer to Portable Player cannot be Registered |
| Proceed to "Portable Player cannot be Connected Manually / Automatically" | Refer to Portable Player cannot be Connected Manually/Automatically | |
| Radio receiver assembly | Refer to REMOVAL | |
| Sound of portable player cannot be heard from speakers, or sound is low. | Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low" | Refer to Sound of Portable Player cannot be Heard from Speakers or Sound is Low |
| Radio receiver assembly | Refer to REMOVAL | |
| Portable player does not play even after "Bluetooth" audio mode is selected. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | Refer to Does not Play even after Bluetooth Audio Mode is Selected |
| Radio receiver assembly | Refer to REMOVAL | |
| Portable player does not play. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | Refer to Does not Play even after Bluetooth Audio Mode is Selected |
| Radio receiver assembly | Refer to REMOVAL | |
| Track information such as track number, track name and elapsed play time is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device |
| Radio receiver assembly | Refer to REMOVAL | |
| "Bluetooth" signal condition is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device |
| Radio receiver assembly | Refer to REMOVAL | |
| Portable player cannot pause, select file, fast forward, fast rewind, random play or scan. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device |
| Radio receiver assembly | Refer to REMOVAL | |
| Noise occurs or sound skips when portable player plays. | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | Refer to Noise Occurs or Sound Skips when Portable Player Plays |
| Radio receiver assembly | Refer to REMOVAL | |
| Registered device cannot be deleted. | Proceed to "Registered Device cannot be Deleted" | Refer to Registered Device cannot be Deleted |
| Radio receiver assembly | Refer to REMOVAL |
- *1: w/ Telephone Microphone Assembly
USB AUDIO SYSTEM FUNCTION*1
| Symptom | Suspected Area | See |
|---|---|---|
| Sound cannot be heard or sound quality is bad. (Stereo jack is used.) | Proceed to "Multi-media Interface ECU power source circuit" | Refer to Multi-media Interface ECU Power Source Circuit |
| Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU" | Refer to Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU | |
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | Refer to Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter | |
| No. 1 stereo jack adapter assembly | Refer to REMOVAL | |
| Multi-media interface ECU | Refer to REMOVAL | |
| Radio receiver assembly | Refer to REMOVAL | |
| USB Device or "iPod" is not recognized. | Proceed to "USB Audio System Recognition / Play Error" | Refer to USB Audio System Recognition/Play Error |
| No. 1 stereo jack adapter assembly | Refer to REMOVAL | |
| Multi-media interface ECU | Refer to REMOVAL | |
| Track information such as track, artist and album names are not displayed. | Proceed to "USB Audio System Recognition / Play Error" | Refer to USB Audio System Recognition/Play Error |
| No. 1 stereo jack adapter assembly | Refer to REMOVAL | |
| Multi-media interface ECU | Refer to REMOVAL | |
| USB device or "iPod" is recognized but cannot play nor play in a sorted order. | Proceed to "USB Audio System Recognition / Play Error" | Refer to USB Audio System Recognition/Play Error |
| No. 1 stereo jack adapter assembly | Refer to REMOVAL | |
| Multi-media interface ECU | Refer to REMOVAL |
- *1: w/ USB Audio System
SDARS SYSTEM FUNCTION*1
| Symptom | Suspected Area | See |
|---|---|---|
| Satellite radio broadcast cannot be received or reception is bad. | Proceed to "Satellite Radio Broadcast cannot be Received" | Refer to Satellite Radio Broadcast cannot be Received |
| Radio receiver assembly | Refer to REMOVAL | |
| Pay-type satellite radio broadcast cannot be received. | Proceed to "Satellite Radio Broadcast cannot be Received" | Refer to Satellite Radio Broadcast cannot be Received |
| Radio receiver assembly | Refer to REMOVAL | |
| Satellite radio broadcast cannot be selected or after selecting broadcast, broadcast cannot be added into memory. | Proceed to "Satellite Radio Broadcast cannot be Received" | Refer to Satellite Radio Broadcast cannot be Received |
| Proceed to "Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory" | Refer to Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory | |
| Radio receiver assembly | Refer to REMOVAL |
- *1: w/ SDARS System