Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING - Manual (Page 3)

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Table of Contents
Section 1: Introduction
Diagnostic Procedure ........................................................ 1-1
Fault Code Retrieval and Clearing ..................................... 1-2
Fault Code Isolation Procedure Index................................ 1-3
Driving Techniques ............................................................ 1-4
Symptom-Driven Index ...................................................... 1-7
Section 2: Fault Isolation Procedures
Pretests
Electrical Pretest ............................................................... 2-1
Power-Up Sequence Test .................................................. 2-5
Component and System Codes
Component Code: 11, 12 (SID 254, FMI 4,12)
Central Processing Unit (CPU) ................................ 2-19
Component Code: 13, 34 (SID 9, FMI 2, 4, 5, 12)
Driver Display Unit ................................................... 2-21
Component Code: 14, 35 (SID 1, 2, FMI 2, 12, 14)
Antenna Assembly .................................................. 2-29
Component Code: 15 (SID 10, FMI 2)
Right Side Sensor ................................................... 2-37
Component Code: 16 (SID 11, FMI 2)
Left Side Sensor ...................................................... 2-43
Component Code: 21 (SID 7, FMI 2)
Right Turn Signal ..................................................... 2-49
Component Code: 22 (SID 8, FMI 2)
Left Turn Signal ....................................................... 2-53
Component Code: 23 (SID 3, FMI 2)
Brake Input Error ..................................................... 2-57
Component Code: 24 (SID 6, FMI 2)
Speed Input Error .................................................... 2-63
Component Code: 25, 32 (SID 231, FMI 2, 12,14)
J-1939 Signal and Cruise Signal ............................. 2-67
Component Code: 31 (SID 250, FMI 2)
J-1587 Data Link ..................................................... 2-75
Component Code: 33 (SID 248, FMI 12)
VBUS ...................................................................... 2-81
Section 3: Symptom Isolation Procedures
Symptom Tests
Antenna Not Detecting Targets .......................................... 3-1
Antenna Target Detection Test .......................................... 3-2
Side Sensor Not Detecting Targets ................................... 3-3
Side Sensor Detection Test ............................................... 3-4
Driver Card Not Reading ................................................. 3-11
Driver Detection Test ....................................................... 3-12
Appendix
VORAD ® Wiring Diagram ..................................................A-1
Fault Code Tree .................................................................A-3
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