Overview, Diagnostic trouble code (dtc) detection, Symptom – Bendix Commercial Vehicle Systems VORAD VS-400 INSTALLATION NOTES User Manual
Page 38: Possible causes, Repair procedure
General Information
36
Side Object Detection
Diagnostic Trouble Code (DTC) Isolation Procedures
System Diagnostic Trouble Code (DTC)
(Both Red and Yellow Lamps ON)
Overview
The Side Object Detection (SOD) Driver Display Unit illuminates both the red and yellow lamps to indicate a system Diagnostic Trouble
Code (DTC) .
Diagnostic Trouble Code (DTC) Detection
Whenever the SOD Driver Display looses communications with the side sensor, or if the sensor reports an internal failure, the display will
illuminate both the red and yellow lamps .
Symptom
The Side Object Detection system will fail to detect objects in its detection zone .
Possible Causes
•
Broken or shorted wire between the SOD display and the SOD sensor
•
Malfunctioning Side Sensor
Repair Procedure
Condition
Steps to Perform
Red and Yellow ON
1 .
Disconnect the Driver Display and the Side Sensor from the interconnect harness .
2 .
Test the resistance between Pin-3 of the Driver Display harness connector and chassis
ground .
a.
If greater than 100K ohms, continue to next step.
b.
If less than 100K ohms, test failed. Repair harness.
3 .
Test resistance between Pin-3 of the Driver Display harness connector and Pin-3 of the
Side Sensor harness connector .
a .
If less than 0 .9 ohms, continue to next step .
b .
If greater than 0 .9 ohms, test failed . Repair harness .
4 .
Test complete . Replace Side Sensor .