| Control unit ==> Front Display |
Malfunction is detected in serial communication circuits between AV control unit and display unit. |
Serial communication circuits between AV control unit and display unit. Refer to REMOVAL AND INSTALLATION - AV CONTROL UNIT . |
| Control unit ==> SAT |
When any of the following is detected:
- satellite radio tuner power supply or ground circuit malfunction.
- communication circuit malfunction between AV control unit and satellite radio tuner.
- request signal circuit malfunction between AV control unit and satellite radio tuner.
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- Satellite radio tuner power supply or ground circuits. Refer to DIAGNOSIS PROCEDURE .
- Communication circuit between AV control unit and satellite radio tuner. Refer to DTC LOGIC .
- Request signal circuit between AV control unit and satellite radio tuner. Refer to DTC LOGIC .
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| Control unit ==> BTHF |
When any of the following is detected:
- Bluetooth®
control unit power supply or ground circuit malfunction.
- AV communication circuit malfunction between AV control unit and Bluetooth®
control unit.
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- Bluetooth®
control unit power supply or ground circuits. Refer to DIAGNOSIS PROCEDURE .
- AV communication circuits between AV control unit and Bluetooth®
control unit.
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| Control unit ==> Amplifier |
When either one of the following items are detected:
- BOSE amp. power supply and ground circuits are malfunctioning.
- AV communication circuits between AV control unit and BOSE amp. are malfunctioning.
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