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ENGINE AR-COMPLETE 1399757 - Caterpillar



1399757 ENGINE AR-COMPLETE Caterpillar parts C-12 ENGINE
Rating:
26
Alternative (cross code) number:
CA1399757
139-9757
1399757
Caterpillar 1399757 ENGINE AR-COMPLETE

Buy ENGINE AR-COMPLETE 1399757 Caterpillar genuine, new aftermarket tractor parts with delivery
TRUCK ENGINE,

Compatible equipment models: 1399757:

TRUCK ENGINE  C-12   Caterpillar
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The table above is a reference that can be used when checking the resistance of the Fuel Sensors.
Table 3
Temperature Resistance (Ω)
100° C (212° F) 68
75° C (167° F) 148
50° C (122° F) 360
25° C (77° F) 1000
0° C (32° F) 3268 The table above is a reference that can be used when checking the resistance of the Hydraulic Oil Temperature Sensor.Diagnostic Trouble Code Procedure
Note: Prior to beginning this procedure, inspect the harness connectors that are involved in the circuit. Poor connections can often be the cause of a problem in an electrical circuit. Verify that all connections in the circuit are clean, secure and in good condition. If a problem with a connection is found, correct the problem and verify that this diagnostic code is active before performing this procedure.
Identify the active FMI code associated with the components.
Determine which code is present and use the list below to determine which procedure to follow.
FMI 3 diagnostic code, proceed to Table 4.
FMI 4 diagnostic code, proceed to Table 5.
Table 4
FMI 3 Troubleshooting
Troubleshooting Test Steps Values Results
1. Check The Sensor
Note: Refer to the tables above for a list of resistance values related to specific values.
A. Turn the key start switch and the disconnect switch to the OFF position.
B. Disconnect the sensor from the harness.
C. Measure the resistance between pin 1 and 2 of the sensor.
The resistance reading agrees with the values from the table. OK - The resistance readings agree with the values in the table.
Proceed to Test Step 2.
NOT OK - The resistance readings do not agree with the values in the table.
Repair: Replace the sensor.
Proceed to Test Step 4.
2. Check For An Open In The Sensor Circuit
A. The key start switch and disconnect switch remain in the OFF position.
B. The harness connector remains disconnected from the sensor.
C. At the sensor harness connector, install a jumper wire across pins 1 and 2.
D. Disconnect the connector from the ECM.
E. At the ECM harness connector, measure the resistance between the signal and return contacts for the sensor.
The resistance reading is less than 5 Ω. OK - The resistance is less than 5 Ω.
Proceed to Test Step 3.
NOT OK - The resistance is greater than 5 Ω. The open is in the signal circuit or the return circuit.
Repair: Repair or replace the harness.
Proceed to Test Step 4.
3. Check The Signal Circuit For A Short.
A. The disconnect switch and the key start switch remain in the OFF position.
B. The harness connector remains disconnected from the ECM.
C. Remove the jumper wire from the sensor harness connector.
D. At the ECM harness connectors, measure the resistance between the signal circuit and all the other contacts that are used on the ECM.
Each resistance reading is greater than 5K Ω. OK - Each measurement is greater than 5K Ω.
Proceed to Test Step 4.
NOT OK - A resistance measurement is less than 5 Ω. A short exists between the signal circuit and the circuit with the low resistance measurement.
Repair: Repair or replace the machine harness.
Proceed to Test Step 4.
4. Check

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