ON-BOARD DIAGNOSTIC SYSTEM OUTLINE [ACTIVE BONNET]

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• The active bonnet has an on-board diagnostic function to facilitate system diagnosis.

• The on-board diagnostic function has the following functions:

― Malfunction detection function: Detects overall malfunctions in the active bonnet-related parts.

― Fail-safe function: Stops the active bonnet actuator from deploying mistakenly if the active bonnet is malfunctioning.

― Memory function: Stores detected malfunctions.

― Display function: Notification of system malfunction by displaying DTCs.

― PID/data monitor function: Reads specific input/output signals.

• Using the Mazda Modular Diagnostic System (M-MDS), DTCs can be read out and deleted, and PID/data monitoring can be performed.