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LINES GP- 3157279 - Caterpillar



3157279 LINES GP- Caterpillar parts LINES
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Alternative (cross code) number:
CA3157279
315-7279
3157279
Caterpillar 3157279 LINES GP-

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Illustration 1 g06000131
Connections of the Autolube Solenoid
This diagnostic code is associated with the Autolube Solenoid. The FMI 05 means that the ECM has detected that the current for the solenoid circuit is below normal.Conditions that cause this diagnostic code to be activated are:
The energize circuit of the solenoid is open.
The return circuit of the solenoid is open.
The solenoid has failed.
The ECM has failed. The failure of the ECM is unlikely. Note: Before performing 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.Note: The following test procedure may create other diagnostic codes. Ignore these created diagnostic codes and clear these diagnostic codes when the original diagnostic code has been corrected.Note: Use a calibrated digital multimeter for the measurements in this procedure.System Response:When this diagnostic code is active, the ECM will turn off the current to the failed solenoid.Test Step 1. CHECK THE SOLENOID
Disconnect the solenoid from the machine harness.
At the machine harness connector for the solenoid, place a jumper wire from contact 1 (wire 801-PK(Pink)) to contact 2 (wire J807-BK(Black)).
Turn the disconnect switch and the key start switch to the ON position. Do not start the engine.
Observe the status of the CID 0378 FMI 05 diagnostic code.Expected Result:The CID 0378 FMI 05 diagnostic code is no longer active. A CID 0378 FMI 06 diagnostic code becomes active when the jumper wire is connected.Results:
YES - The CID 0378 FMI 05 diagnostic code is no longer active. A CID 0378 FMI 06 diagnostic code becomes active when the jumper wire is connected. The solenoid has failed.Repair: Repeat this Test Step "CHECK THE SOLENOID" to verify the solenoid failure. Replace the solenoid. Verify that the new solenoid corrects the problem.STOP
NO - The CID 0378 FMI 05 diagnostic code remains active. The jumper wire does not affect the status of the active diagnostic code. The solenoid is not causing the problem. Proceed to Test Step 2.Test Step 2. CHECK THE CIRCUIT FOR AN OPENThe jumper wire that was installed in the previous Test Step remains in place.
Turn the disconnect switch and the key start switch to the OFF position.
Disconnect the machine harness ECM connector J1 from the ECM.
At the machine harness connector J1 for the ECM, measure the resistance from contact J1-52 (wire 801-PK(Pink)) to contact J1-50 (wire J807-BK(Black)).
While observing the multimeter resistance measurement, wiggle the machine harness connectors for the ECM and wiggle the machine harness connector for the solenoid. Gently pull on the wires and move the wires around.Expected Result:The resistance measurement is always less than 5.0 ohms during the manipulation of the harness and connectors.Results:
OK - The resistance measurement is less than 5.0 ohms. The resistance measurement is not indicating an open or a bad connection in


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