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CM850 Electronic Control System – FAULT CODE 143 (QSB Marine Application)

Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level


Overview

CODE REASON EFFECT
Fault Code: 143
PID: P100
SPN: 100
FMI: 1/18
LAMP: Amber
SRT: 

Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.

Marine: calibration dependent.
Engine Oil Pressure
SMALL | MEDIUM | LARGE

Circuit Description

The engine oil pressure sensor is used by the electronic control module
(ECM) to monitor the lubricating oil pressure. The ECM monitors the voltage on the signal pin and converts this to a pressure value.

Component Location

The engine oil pressure sensor is located on the left side of the engine block. Refer to Procedure 100-002 for a detailed component location view.

Refer to Troubleshooting Fault Code t05-143

Last Modified:  08-Jul-2010
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