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 five DTCs can be stored as a present malfunction.
Display function
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Without Using Mazda Modular Diagnostic System (M-MDS) (On-board Diagnostic Test Mode)
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• To display DTCs on the information display that have been recorded in the memory function, activate the on-board diagnostic function by operating the audio unit. Refer to the Workshop Manual for the activation procedure of the on-board diagnostic function.
• The DTC consists of the following codes and numbers:
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― Device code
― Error code
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With Using Mazda Modular Diagnostic System (M-MDS)
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• When a DTC inspection is performed using the M-MDS, the malfunction diagnostics for the audio system and Bluetooth system (hands-free telephone (HF/TEL) system) is initiated. A maximum of 5 DTCs detected by the malfunction diagnostics are displayed. Refer the Workshop Manual for the DTC inspection procedure.
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― DTC 7-digit code definition
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― When related systems or components have failed, the CM stores the DTC of the malfunctioning part in the CM memory, and allows for the retrieval of the store data using scanning tool when necessary. The DTCs are indicated using seven digits. Each digit indicates the following.
DTC table
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DTC
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Malfunction location
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Mazda Modular Diagnostic System (M-MDS) display
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Information display
(On-board diagnostic test mode)
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B1134:23
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26:Er85
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Steering switch circuit malfunction
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B116A:12
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26:Er82
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Microphone circuit malfunction
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B116A:13
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26:Er84
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Microphone circuit malfunction
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B116A:16
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26:Er83
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Microphone circuit malfunction
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B116A:44
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26:Er86
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Bluetooth unit internal malfunction
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U0498:68
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26:Er81
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CAN system communication error
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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 information 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.
Software version verification
• Displays the software version on the information display.
Connection condition verification
• Displays the connection status on the information display and examines the Bluetooth system-related unit, wiring harness, and connector.
Password reset
• Operate the switch and reset the password.
