CUMMINS FAULT CODE 187

ADVERTICEMENT


cummins insite keygen

Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at the sensor supply 2 circuit.


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FAULT CODE 187

Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source

Overview

CODE

REASON

EFFECT

Fault Code: 187

Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage

Loss of some sensor

PID:

detected at the sensor supply 2 circuit.

functionality.

SPN: 3510

FMI: 4/4

LAMP: Amber

SRT:

Sensor Supply 2 Circuit – Industrial Engines

Sensor Supply 2 Circuit – Power Generation Engin

Sensor Supply 2 Circuit – Marine Engines

Circuit Description

The sensor supply 2 circuit of the engine control module (ECM) provides 5-VDC for the engine camshaft speed/position sensor, intake manifold 1 pressure sensor, fuel delivery pressure sensor, barometric pressure sensor, and injector metering rail 1 pressure sensor.

Component Location

The sensor supply 2 is located in the ECM.

Use the following procedure for a detailed component location view. Refer to Procedure 100-002 in Section E.

Shop Talk

Low voltage on the 5-VDC supply wire can be caused by a short circuit to ground in a supply wire, a short circuit between a supply wire or a return wire, a damaged sensor, or a damaged ECM power supply.

Refer to Troubleshooting Fault Code t05-187.

Last Modified: 28-Nov-2012

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