259D Compact Track Loader – Power Supply Circuit of Electronic Control Module

System Operation Description:

A fuse is blown out or the circuit breaker is tripped as a result of an overloaded circuit. For example, the +battery connection is shorted to ground. If the fuse is blown out or the circuit breaker is tripped on a supply circuit for the ECM, no diagnostic code will be recorded. A power supply circuit that has failed will cause a diagnostic code of CID 0041 FMI 04 to be logged for MID 039.

Test Step 1. CHECK THE FUSES/CIRCUIT BREAKER

Whenever the machine's electronic components fail to function and no diagnostic code is available, check the appropriate fuses/circuit breaker for that component.

1. Check all fuses and circuit breakers.

Expected Result:

All fuses and circuit breakers are correct.

Results:

• YES - All fuses and circuit breakers are correct. Exit this procedure and repeat this procedure.STOP

• NO - All fuses and circuit breakers are not correct.

  Repair: Replace the blown fuse or reset the circuit breaker.

  STOP