
Symptom Isolation Procedures
3-4
Operator Display Unit Audible Indictor (Buzzer) Not Functioning, continued
Step D Procedure Condition Action
Step V Procedure Condition Action
1. Key off.
2. Disconnect Operator Display
Unit from harness J1.
3. Key on.
4. Activate turn signal.
5. Measure voltage between
display harness J1
pins 2 and 4.
1. Key off.
2. Reconnect all connectors.
3. Key on.
4. Drive vehicle to determine
if problem has been
corrected.
If voltage is between 10 and
14 volts
If voltage is outside of range
If problem is corrected
If problem is not corrected
Replace display. Go to Step V.
Repair wiring harness.
Go to Step V.
Test complete.
Return to Step A to fi nd error
in testing.
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