BENDIX BW2849 manual Component Code SID 250, FMI Data Link Error

Fault Isolation Procedures

Component Code: 31

(SID 250, FMI 2)

J-1587 Data Link Error

Overview

This fault code indicates the Bendix™ VORAD® system failed to communicate with the engine over the J-1587 data link.

Detection

Starting at key on and throughout the operation, the VORAD Central Processing Unit constantly monitors the communication with the engine ECU. If a communication fault occurs for more than 2.5 seconds, this fault is set.

Fallback

This fault causes a failure of the VORAD system.

Required Tools

•Basic Hand Tools

•Digital Volt/Ohm Meter

•Troubleshooting Guide

Possible Causes

This fault code can be caused by any of the following:

•J-1587 Data Link

•Engine ECU

•Central Processing Unit

Connect to	For VORAD
	diagnostics
Engine ECW
J1587 Data Link		J C D
	H	B	A	E
		G	F
				G
				F
				G
				A
	9-way
			B			Central
	F	A	C
		E	D		Harness	Processing Unit
				C
				A
				B
				E
	6-way

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