Yale 524150797 Maintenance Manual page 314

Diagnostic Trouble Codes
POSSIBLE CAUSE
A. WIRING FAULT
B. BATTERY DISPLAY FAULT
C. ENCODER FAULT
D. TRACTION CONTROLLER FAULT
COMPONENT OPERATIONAL CHECK
NOTE: Always check battery condition and state of charge before performing electrical troubleshooting. A faulty
or low charged battery will cause electrical features to not operate as designed and give incorrect readings while
performing electrical tests.
PROCEDURE OR ACTION:
1. Conduct a visual inspection of all connectors/wiring associated with the fault code.
Are any faults detected/observed?
YES: Repair/replace connector or wiring associated with faults found. Refer to the appropriate Electrical
System YRM.
NO: Proceed to Step 2.
2. Re-key the vehicle.
Is the code still present?
YES: Proceed to Step 3.
NO: Problem may be intermittent.
3. Using the PC Service Tool, locate input diagnostics.
Is thumb switch activation detected?
YES: Fault may be intermittent.
NO: Proceed to Cause A.
CAUSE A - WIRING FAULT
PROCEDURE OR ACTION:
NOTE: Key in ON position
1. Disconnect battery display connector CRS07.
Did the code clear upon rekey?
YES: Proceed to Cause B.
NO: Proceed to Step 2.
2. Disconnect encoder connector CPS03.
Did the code clear upon rekey?
YES: Proceed to Cause C.
NO: Proceed to Step 3.
3. With encoder connector and battery display connector removed, measure voltage between CRS07, socket 5
and B(-).
Is voltage 12 ± 1.5 Vdc?
YES: Proceed to Step 4.
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-44
12 Vdc / 5 Vdc Supply Output
Please refer to the end of this procedure for supporting diagrams.
DTC 30090
NOTE
ELECTRICAL SYSTEM