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SHIM 4646160 - Caterpillar



4646160 SHIM Caterpillar parts SHIM
Rating:
51
Alternative (cross code) number:
CA4646160
464-6160
4646160
Caterpillar 4646160 SHIM
Weight: 0.03 pounds 0 kg.

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Which Generate This Code:ReferenceRefer to the Electrical Schematic that is applicable to your machine.This diagnostic code is associated with the harnesses that connect to the AccuGrade - Grade Control System.System Response:When this diagnostic code is active, there is a problem with the harnesses for the AccuGrade - Grade Control System.Test Step 1. CYCLE THE POWER TO THE SYSTEM
Turn the key start switch for the machine to the "OFF" position.
Turn the key start switch for the machine to the "ON" position.
Check the status of the diagnostic code "CB 17".Expected Result:The diagnostic code is not active.Results:
YES - The diagnostic code is not active.Repair: Return the machine to normal operation.STOP
NO - The diagnostic code is still active. Proceed to Test Step 3.Test Step 2. CHECK THE RESISTANCE OF THE CAN CIRCUIT
Place the key start switch and the disconnect switch in the "OFF" position.
Take the following measurement at the Connector for the Right or the Left Hand laser harness. Measure the resistance between contact C (wire L854-YL) and contact D (wire L855-GN).Expected Result:The resistance measurement is 60 6 ohms.Results:
YES - The resistance measurement is 60 6 ohms. Proceed to Test Step 3.
NO - The resistance measurement is NOT 60 6 ohms. Proceed to Test Step 3.Test Step 3. CHECK THE TERMINATION RESISTOR.
Place the key start switch and the disconnect switch in the OFF position.
Disconnect the 3-pin connector for all four termination resistors.
Measure the resistance across contact A (wire L854-YL) and contact B (wire L855-GN) for one set of resistors. Measure the resistance across contact A (wire L856-YL) and contact B (wire L857-GN) for the other set of resistors. Note the resistance.Expected Result:The resistance measurements are 120 12 ohms.Results:
YES - The resistance measurements are 120 12 ohms. Reconnect the resistors. Contact your Technical Communicator for a possible consultation withCaterpillar.STOP
NO - One or both resistance measurements is NOT 120 12 ohms. Repair: Replace the termination resistor(s) that did not measure 120 12 ohms.STOP


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