ON-BOARD DIAGNOSTIC SYSTEM FUNCTION [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)]
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Self-diagnostic Function
Malfunction detection function
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• The malfunction detection function detects malfunctions occurring in the Bluetooth system (hands-free telephone (HF/TEL) system).
Memory function
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• The memory function converts a malfunction detected by the malfunction detection function to a DTC and stores it. The error currently occurring is stored as a present malfunction. Up to six DTCs can be stored as a past malfunction. The DTCs, together with the number of times the ignition switch has been turned off after the occurrence of an error (maximum of 255 times), are stored as a past malfunction.
Display function
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• To display DTCs on the display that have been recorded in the memory function, activate the on-board diagnostic function by operating the audio unit/car-navigation unit. Refer to the Workshop Manual for the activation procedure of the on-board diagnostic function.
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• The DTC consists of the following codes and numbers:
Error history display screen
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― Current malfunction
― Number of times the ignition switch has been turned off after the occurrence of an error
― Detail Switch
Detail display screen
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― Error code
― Check content
― Number of times present/past malfunction has occurred
DTC table
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DTC
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Description
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Device code
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Error code
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26
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81
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CAN system communication error
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26
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82
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Microphone circuit malfunction
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26
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83
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Microphone circuit malfunction
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26
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84
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Microphone circuit malfunction
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26
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85
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Steering switch circuit malfunction
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26
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86
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Bluetooth unit internal malfunction
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|
—
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—
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DTC is not recorded.
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Diagnostic Assist Function
• The connection condition and specification of the Bluetooth system (hands-free telephone (HF/TEL) system) related parts can be verified by displaying them in the LCD display. The password for the Bluetooth system (hands-free telephone (HF/TEL) system), which is set by the user, can also be reset. Refer to the Workshop Manual for the diagnostic assist function activation procedure.
• Input a diagnostic assist code and display the unit’s operation conditions, or force the operation to examine the integrity of functions (parts).
• For start-up methods of each mode, refer to the Workshop Manual.
Diagnostic assist code table
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No.
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Content/function
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37
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Connection condition verification
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38
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Software version verification
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39
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Password reset
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ac9wzn00000645― Current malfunction― Number of times the ignition switch has been turned off after the occurrence of an error― Detail Switch
ac9wzn00000646― Error code― Check content― Number of times present/past malfunction has occurred