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HARNESS AS-SENSOR 3966965 - Caterpillar



3966965 HARNESS AS-SENSOR Caterpillar parts 844K, 990K HARNESS
Rating:
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Alternative (cross code) number:
CA3966965
396-6965
3966965
Caterpillar 3966965 HARNESS AS-SENSOR
Weight: 1 pounds 0 kg.

Buy HARNESS AS-SENSOR 3966965 Caterpillar genuine, new aftermarket tractor parts with delivery
WHEEL DOZER, WHEEL LOADER,

Compatible equipment models: 3966965:

WHEEL DOZER  844K  
WHEEL LOADER  990K   Caterpillar
Number on catalog scheme: 4
  
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Illustration 1 g02149139
Schematic of the "Transmission Solenoid Valve 4"This diagnostic code is associated with the "Transmission Solenoid Valve 4". The FMI 06 diagnostic code means that the ECM has determined that there is a short to ground in the solenoid circuit. The possible causes of this diagnostic code are listed below:
The energize circuit of the solenoid is shorted to ground.
The solenoid has failed.
The Chassis ECM has failed. A failure of the ECM is unlikely. 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. Ensure that the diagnostic code of CID 1404 FMI 06 is active before performing this procedure.Note: Use a Digital Multimeter for the measurements in this procedure.Test Step 1. CHECK THE SOLENOID.
Turn the disconnect switch and the key start switch to the ON position. Do not start the engine.
Observe the status of the diagnostic code.
Disconnect the solenoid with the active diagnostic code from the machine harness. Expected Result:The CID 1404 FMI 06 diagnostic code changes to a CID 1404 FMI 05 diagnostic code when the solenoid is disconnected.Results:
YES - The CID 1404 FMI 06 diagnostic code changes to a CID 1404 FMI 05 when the solenoid is disconnected. The circuit is correct.Repair: The solenoid has failed. Replace the solenoid. Verify that the new solenoid corrects the problem.STOP
NO - The CID 1404 FMI 06 diagnostic code remains active. Proceed to Test Step 2.Test Step 2. CHECK THE ENERGIZE CIRCUIT OF THE SOLENOID FOR A SHORT TO GROUND.
Turn the key start switch and the disconnect switch to the OFF position.
The solenoid remains disconnected from the machine harness.
Disconnect the machine harness connectors from the ECM.
At the machine harness connector, measure the resistance from the signal contact J1-61 (wire J837-BU) to all contacts that are used in the machine harness connectors for the ECM. Expected Result:Each resistance measurement is greater than 5000 ohms.Results:
OK - Each resistance measurement is greater than 5000 ohms. The machine harness is correct. Proceed to Test Step 3.
NOT OK - Each resistance measurement is not greater than 5000 ohms. There is a short in the machine harness. The short is between J1-61 (wire J837-BU) and the circuit with the low resistance measurement.Repair: Repair the machine harness or replace the machine harness. STOPTest Step 3. CHECK IF THE DIAGNOSTIC CODE REMAINS.
Inspect the harness connectors. Clean the contacts of the harness connectors. Check the wires for damage to the insulation that is caused by excessive heat, battery acid, or chafing.
Perform a 45 N (10 lb) pull test on each of the wires that are associated with the circuit.
Reconnect all harness connectors. Make sure that the connectors are fully seated. Observe that the clips for each connector are fastened securely.
Turn the disconnect switch and the key start switch to the ON position.
Operate the machine.
Check the status of the CID 1404 FMI 06 diagnostic code. Expected Result:The CID 1404 FMI 06 diagnostic code is active. Results:
YES - The CID 1404 FMI

Caterpillar SIS machinery equipment:

Caterpillar SIS

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Caterpillar parts catalog
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