User's Manual

Fault Isolation Procedures

2-21

Component Code: 13, 34

(SID 9, FMI 2, 4, 5, 12)

Driver Display Unit

Overview

This fault code indicates an electrical failure of the Driver Display

Unit.

Detection

Starting at key on and throughout the operation, the Central

Processing Unit constantly monitors the communication with the

Driver Display Unit. If a communication fault occurs for more than

ﬁ ve seconds, fault code 13 is set.

Fallback

This fault causes a failure of the Bendix

™

VORAD

system.

Required Tools

• Basic Hand Tools

• Troubleshooting Guide

• Digital Volt/Ohm Meter

• Data Link Tester

• PC-based or Hand-held Diagnostic Tool

Possible Causes

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

• OEM Harness

• Driver Display Unit

• Central Processing Unit

Harness

Driver

Display Unit

Central

Processing Unit