ON-BOARD DIAGNOSTIC SYSTEM DIAGNOSTIC DATA MEMORY FUNCTION [PCM (SKYACTIV-G 2.0)]
2016 – MX-5 – Engine
ON-BOARD DIAGNOSTIC SYSTEM DIAGNOSTIC DATA MEMORY FUNCTION [PCM (SKYACTIV-G 2.0)]
Outline
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Records diagnostic data related to the engine control system in the PCM.
Function
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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)].)
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Diagnostic data which can be recorded in the PCM are as follows:
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Number of DTCs
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DTC
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Pending code
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Freeze frame data
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On-board diagnostic system diagnosis condition
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On-board monitoring test results
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Another method for erasing diagnostic data is by using the memory clearing function of the external tester.