Section 110.1 SPN 3511/FMI 3

Section 110.1
SPN 3511/FMI 3

This diagnosis typically is Multiplexer 3, Channel 1 or 2 has a short or open circuit high.‪

Section 110.1.1
Channel 1

Multiplexer 3 Channel 1, shorted high will set if the input voltage from either the Intake Manifold Temperature Sensor, Engine Oil Temperature Sensor, Engine Coolant Temperature Sensor or Engine Fuel Temperature Sensor exceeds 2.97 volts, which may be caused by a short circuit, or more likely an open circuit. This is an information code only indicating a default value will be used for the other sensor inputs.‪

Section 110.1.2
Channel 2

Multiplexer 3 Channel 2, shorted high will set if the input voltage from the Barometric Pressure Sensor exceeds 2.97 volts, which may be caused by a short circuit, or more likely an open circuit. This is an information code only indicating a default value will be used for the sensor input.‪


EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567
Generated on 10-13-2008

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