ENGINE AR 1099513 - Caterpillar

1099513 ENGINE AR Caterpillar parts 320B

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Alternative (cross code) number:
CA1099513
109-9513
1099513

Weight: 1166 pounds 528 kg.

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Compatible equipment models: 1099513:

EXCAVATOR 320B Caterpillar

Information:

Illustration 1 g00631909
Schematic of the Priority Valve Solenoid
This diagnostic code is recorded when the voltage of the solenoid circuit is above normal. The brakes may come on momentarily when the transmission is shifted. Note: Ensure that the diagnostic code for the solenoid is on hold and that the fault present indicator shows "SERV CODE". Test Step 1. CHECK THE SIGNAL CIRCUIT FOR THE SOLENOID FOR A SHORT TO THE +BATTERY CIRCUIT.
Turn the key start switch to the OFF position.
Disconnect the machine harness from the solenoid.
Disconnect the machine harness connectors J1 and J2 from the ECM.
At machine harness connector J1 and J2, measure the resistance from the J2-7 (solenoid signal) to all possible sources of +battery. The possible sources of positive voltage are contacts J1-1, J1-4, J1-6, J1-8, J1-10, J1-11, J1-12, J1-17, J1-18, J1-40, J2-1, J2-2, J2-7, J2-8, J2-13, J2-19, and J2-37. Expected Result:Each resistance should be greater than 5000 ohms.Results:
OK - The machine harness is correct. Proceed to test step 2.
NOT OK - There is a short in the machine harness. The harness has failed.Repair: The short is between wire K978-BU(Blue) and the circuit with the low resistance measurement. Repair the machine harness or replace the machine harness.STOPTest Step 2. DETERMINE IF THE DIAGNOSTIC CODE IS STILL ACTIVE.
Inspect the contacts and clean the contacts of the harness connectors.
Reconnect all harness connectors.
Turn the key start switch to the ON position.
Enter service mode of the Caterpillar Monitoring System and clear all inactive diagnostic codes.
Operate the machine.
Stop the machine and place the parking brake switch in the OFF position.
Determine if the diagnostic code is present. Expected Result:The diagnostic code is present. "SERV CODE" is showing.Results:
YES - The problem has not been corrected. The ECM has failed.Repair: Exit this procedure and perform the diagnostic code procedure again. If the problem persists, the ECM may have failed. Prior to replacing an ECM, always contact your dealership's Technical Communicator for possible consultation with Caterpillar. This consultation may greatly reduce repair time. See the Testing and Adjusting, "Electronic Control Module (ECM) - Replace".STOP
NO - The diagnostic code is NOT present.Repair: The problem does not exist at this time. The initial problem was probably caused by a poor electrical connection or a short at one of the harness connectors that was disconnected and reconnected. Resume normal machine operation.STOP