CODES
DTC 30060 - Mtr Curr
DTC 30061 - Mtr Open
POSSIBLE CAUSE
A. TRACTION MOTOR CABLE FAULT
B. TRACTION MOTOR FAULT
C. FAULTY TRACTION CONTROLLER
NOTE
Please refer to the end of this procedure for supporting diagrams.
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: Problem may be intermittent.
CAUSE A - TRACTION MOTOR CABLE FAULT
PROCEDURE OR ACTION:
1. Inspect controller phase cable terminals for proper torque and connections.
Are phase cables properly secured?
YES: Proceed to Step 2.
NO: Repair and properly torque cables.
2. Disconnect the traction motor cables from the traction controller and traction motor. Measure continuity of in-
dividual cables to isolate fault.
Is continuity present?
YES: Disconnect battery and proceed to Cause B.
NO: Repair or replace faulty phase cable.
CAUSE B - TRACTION MOTOR FAULT
PROCEDURE OR ACTION:
1. Measure continuity between the traction motor terminals U and V.
Is continuity present?
YES: Proceed to Step 2.
NO: Repair or replace faulty traction motor.
Diagnostic Trouble Codes ELECTRICAL SYSTEM
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-20
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