Dtc 30035 Brake - Yale 524150797 Maintenance Manual

ELECTRICAL SYSTEM
POSSIBLE CAUSE
A. WIRING FAULT
B. BRAKE COIL FAULT
C. FAULTY TRACTION CONTROLLER
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 Cause A.
NO: Fault may be intermittent.
CAUSE A - WIRING FAULT
PROCEDURE OR ACTION:
NOTE: Perform Step 1 with key in ON position.
1. Disconnect CPS01 and measure voltage between CPS01, socket 1 and B(-). Note voltage reading, reconnect
CPS01, cycle key switch. Disconnect brake coil connector CRP04-A and measure voltage between CRP04-A,
socket 1 and B(-).
Is voltage same as key switch input?
YES: Disconnect battery and proceed to Cause B.
NO: Inspect circuit 239 for open or short.
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
Please refer to the end of this procedure for supporting diagrams.
DTC 30035
Brake
NOTE
Diagnostic Trouble Codes
9030-20-11