Power-up sequence test, Fault isolation procedures, Pow er -up sequence t est – Bendix Commercial Vehicle Systems BLINDSPOTTER TROUBLESHOOTING GUIDE User Manual

Page 9

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Fault Isolation Procedures

2-5

P

ow
er

-Up Sequence T

est

Power-Up Sequence Test

Step A

Procedure

Condition

Action

Step B

Procedure

Condition

Action

1. Before performing this test, the

Electrical Pretest must pass.

2. Clear area around sensor of objects.

3. Key on.

4. Observe the Operator

Display Unit.

1. Key on.

2. Disconnect sensor harness J2.

3. Key on.

4. Measure voltage

between sensor harness
J2 pins 1 and 2.

If both LED lights turn on
for .5 seconds – followed by
the red LED for 5 seconds –
followed by a continuous
yellow light

If lights fail to turn on

If lights turn on and stay on

If voltage is between 10
and 14 volts

If voltage is outside of
range

Test complete.

Go to Step B.

Go to Step D.

Go to Step C.

Repair harness. Go to Step V.

VOLT

V

A

COM

1

2

3

4

5

6

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