Component Description
| Part name | Description |
|---|
| Audio unit | Controls audio, hands-free phone and AUX IN connection functions. Display unit is built in to audio unit. |
| Front door speakers | Outputs high, mid and low range audio signals from audio unit. |
| Front speakers |
| Rear speakers |
| Steering switches | Operations for audio, hands-free phone and voice recognition are possible. Steering switch signal is output to combination meter. Combination meter outputs steering switch signal to audio unit. |
| Microphone | Used for hands-free phone operations. Microphone signal is transmitted to audio unit. Power is supplied from audio unit. |
| Antenna amp. | AM/FM signal received by window antenna is amplified and transmitted to audio unit. Power is supplied from audio unit. |
| Window antenna | AM/FM signal is received and transmitted to antenna amp. |
Scheme 1
Diagnosis Description
The audio unit on board diagnosis performs the functions listed in the table below
| Mode | Description |
|---|
| Hardware/Software Versions | Hardware and software versions are available for: audio unit. combination meter Bluetooth® control unit. EEPROM version and EQ pin info are also available for the audio unit. |
| Speaker Channel Check | The connection of the speakers to the audio unit can be confirmed. |
| Communication Diagnosis | The AV communication (M-CAN) message history can be monitored. |
Scheme 2
Scheme 2: Hardware/Software Versions and Speaker Channel Check
Scheme 3
- Turn the ignition ON.
- Turn the audio system OFF.
- While pressing the preset 1 button, turn the volume control dial clockwise or counterclockwise 30 clicks or more.
- Initially, all display segments will be illuminated.
- To exit hardware/software versions and speaker channel check, turn the ignition OFF.
Scheme 4
Scheme 4: Communication Diagnosis
Scheme 5
- Turn the ignition ON.
- Turn the audio system OFF.
- While pressing the preset 6 button, turn the volume control dial clockwise or counterclockwise 30 clicks or more.
- Initially, the communication diagnosis mode is displayed.
- To exit communication diagnosis, turn the ignition OFF.
Scheme 6
Scheme 6: Hardware/Software Versions
- Press the DISP button to enter versions display, and the audio head unit software version is displayed.
- With each additional press of the DISP button, the following information is available: HARD V###### (hardware version) EEP V###### (EEPROM version) MeterS V###### (combination meter software version) MeterH V###### (combination meter hardware version) @@@@ EQ1-4 # (EQ pin info) If an EQ error is present, INVALID EQ is displayed BTSOFT ####### (internal Bluetooth® module software version) BTHARD ######### (internal Bluetooth® module hardware version) BTCONF #####00 (internal Bluetooth® module configuration)
- Hold the DISP button down to return to all display segments screen.
Scheme 7
Scheme 7: Speaker Channel Check
- Press the RPT/DRM button to enter speaker channel check, and the front left tweeter (front speaker LH) is displayed.
- With each additional press of the RPT/DRM button, the following information is available: FR RIGHT TWEETER (front speaker RH) FR RIGHT (front door speaker RH) RR RIGHT (rear speaker RH) RR LEFT (rear speaker LH) FR LEFT (front door speaker LH)
- Hold the RPT/DRM button down to return to all display segments screen.
Scheme 8
Scheme 8: Communication Diagnosis
- Press the DISP button, and the M-CAN message transmission error history screen is displayed.
- Press the DISP button again, and the METER $$ nn (CMF message reception error history from M-CAN METER) screen is displayed.
- Press the DISP button again, and the TROUBLE DEL. (deletion of M-CAN message communication history) screen is displayed. To retain the M-CAN message communication history and return to the communication diagnosis mode screen, press the DISP button.
- To proceed to the M-CAN message communication history deletion screen, press the SEEK/TRACK UP TRIANGLE button. The REC DEL-NO? (selection of M-CAN message communication history deletion) screen is displayed. To cancel M-CAN message communication history deletion, wait 6 seconds and you will be returned to the TROUBLE DEL. (deletion of M-CAN message communication history) screen. To proceed with M-CAN message communication history deletion, press the SEEK/TRACK UP TRIANGLE button again.
- The REC DEL-YES?@ (selection of M-CAN message communication history deletion) screen is displayed. To cancel M-CAN message communication history deletion, press the SEEK/TRACK DOWN TRIANGLE button and you will be returned to the REC DEL-NO? (selection of M-CAN message communication history deletion) screen. To proceed with M-CAN message communication history deletion, wait 6 seconds and the communication history deletion will be executed. After the communication history deletion has been executed, you will be returned to the TROUBLE DEL. (deletion of M-CAN message communication history) screen. To return to the communication diagnosis mode screen, press the DISP button.
Scheme 9
Scheme 9: TERMINAL LAYOUT
