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Oil Pressure Indicator
The red oil pressure indicator turns on when the
PCM transmits a Class 2 message to the instrument cluster indicating a low oil pressure condition. The instrument cluster commands the oil pressure indicator on over the Class 2 serial data interface. If a loss of Class 2 serial data occurs, the oil pressure indicator does not illuminate unless the indicator was illuminated when the event occurred. If a Class 2 data link fails, the oil pressure indicator does not illuminate unless the indicator was illuminated prior to the Class 2 data link failure.