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Lafayette 3616 Engine BHK8500 - Caterpillar



BHK8500 Lafayette 3616 Engine Caterpillar parts G3616 Lafayette
Rating:
22
Alternative (cross code) number:
CABHK8500
BHK-8500
BHK8500
Caterpillar BHK8500 Lafayette 3616 Engine

Buy Lafayette 3616 Engine BHK8500 Caterpillar genuine, new aftermarket tractor parts with delivery
GAS ENGINE,

Compatible equipment models: BHK8500:

GAS ENGINE  G3616   Caterpillar
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Table 5
FMI 4 Troubleshooting
Troubleshooting Test Steps Values Results
1. Check The Harness For A Short
A. Turn the key start switch and the disconnect switch to the OFF position.
B. Disconnect the machine harness connectors from the switch.
C. Disconnect the machine harness connectors from the ECM.
D. At the ECM machine harness connector, measure the resistance between the (N/O) contact and all of the other contacts used in the ECM.
E. At the ECM machine harness connector, measure the resistance between the (N/C) contact and all of the other contacts used in the ECM.
The resistance measurements are greater than 5K Ω. OK - The resistance measurements are greater than 5K Ω.
Proceed to Test Step 2.
NOT OK - The resistance is less than 5K Ω. There is a short between the signal circuit and the circuit with the low-resistance measurement.
Note: A resistance that is greater than 5 Ω but less than 5K Ω would indicate a loose connection or a corroded connection in the circuit. A resistance measurement that is greater than 5K Ω would indicate an open in the circuit.
Repair: Repair or replace the machine harness.
Proceed to Test Step 3.
2. Check The Switch
A. The key start switch and the disconnect switch to the OFF position.
B. Disconnect the switch from the machine harness.
C. Measure the resistance between the normally open contact and the switch return or ground. Toggle the operation of the switch and observe resistance changes.
D. Measure the resistance between the normally closed contact and the switch return or ground. Toggle the operation of the switch and observe resistance changes.
Open resistance is greater than 5K Ω. Closed resistance is less than 5 Ω. OK - The measurements are correct.
Proceed to Test Step 3.
NOT OK - One or more of the measurements was incorrect.
Note: A resistance that is greater than 5 Ω but less than 5K Ω would indicate a loose connection or a corroded connection in the circuit. A resistance measurement that is greater than 5K Ω would indicate an open in the circuit.
Repair: Replace the switch.
Proceed to Test Step 3.
3. Check If The Diagnostic Code Remains
A. Reconnect all harness connectors. Return machine to normal operating condition.
B. Turn the key start switch and the disconnect switch ON.
C. Clear all diagnostic codes.
D. Operate the machine.
E. Stop the machine and engage the safety lock.
F. Check if the diagnostic code is active.
The diagnostic code is no longer present. OK - The diagnostic code does not exist at this time. The initial diagnostic code may have been caused by poor electrical connection or short at one of the harness connections. Resume machine operation.
STOP.
NOT OK - The diagnostic trouble code has not been corrected. If the diagnostic code has not been corrected after performing the procedure a second time, the ECM may require replacement.
Prior to replacing the ECM, always contact the Technical Communicator at your dealership for possible consultation with Caterpillar. This consultation may affect repair time.
Follow the steps in Troubleshooting, "ECM - Replace" if the ECM needs to be replaced.
STOP.
Table 6
FMI 6 Troubleshooting
Troubleshooting Test Steps Values Results
1.

Caterpillar SIS machinery equipment:

Caterpillar SIS


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