Bendix Commercial Vehicle Systems BLINDSPOTTER TROUBLESHOOTING GUIDE - Manual (Page 14)

3-2
Symptom Isolation Procedures
Operator Display Unit Audible Indictor (Buzzer) Not Functioning
Step A Procedure Condition Action
Step B Procedure Condition Action
1. Key off.
2. Active turn signal.
3. Place a target between 3
and 10 feet directly in
front of the sensor.
Note: If both LEDs are
illuminated, go to the
appropriate isolation
procedure.
1. Key off.
2. Disconnect Operator Display Unit
from harness J1.
3. Measure resistance between
sensor harness J1 pin 4
and turn signal source.
If the Operator Display Unit
has red LED on and buzzer
sounds
If the Operator Display Unit
has red LED on only
(no sound)
If resistance is between
0 and 0.3 ohms
If resistance is outside
of range
Test complete.
Go to Step B.
Go to Step C.
Repair wiring harness.
Go to Step V.
OHMS
V A COM
ODU P1
To Turn Signal Source
1
2 3
4