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ON-BOARD DIAGNOSTIC SYSTEM DIAGNOSTIC DATA MEMORY FUNCTION [PCM (SKYACTIV-G 2.0)]

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2016 – MX-5 – Engine

ON-BOARD DIAGNOSTIC SYSTEM DIAGNOSTIC DATA MEMORY FUNCTION [PCM (SKYACTIV-G 2.0)]

Outline

  • Records diagnostic data related to the engine control system in the PCM.

Function

  • The diagnostic data recording/erasing conditions are determined by the number of drive cycles set for each item. (See ON-BOARD DIAGNOSTIC SYSTEM TEST MODE [PCM (SKYACTIV-G 2.0)].)

  • Diagnostic data which can be recorded in the PCM are as follows:

    • Number of DTCs

    • DTC

    • Pending code

    • Freeze frame data

    • On-board diagnostic system diagnosis condition

    • On-board monitoring test results

  • Another method for erasing diagnostic data is by using the memory clearing function of the external tester.

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