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HINGE AS 3C8352 - Caterpillar

3C8352 HINGE AS Caterpillar parts
Alternative (cross code) number:
Caterpillar 3C8352 HINGE AS
Weight: 0.35 pounds 0 kg.

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Illustration 1 g01185104
Schematic of the Start Relay (Typical Example)
This diagnostic code is recorded when the ECM reads the voltage of the relay circuit as above normal (short to + battery).Possible causes of this diagnostic code are listed:
Wire 306-GN(Green) is shorted to the + battery.
The relay has failed.
The ECM has failed. This is unlikely.Ensure that the CID 0444 FMI 03 for the relay is active. System Response:The start relay will be energized at all times.Test Step 1. CHECK THE SIGNAL CIRCUIT OF THE RELAY FOR A SHORT.
Turn the key start switch and the disconnect switch to the OFF position.
Disconnect the machine harness from the relay.
Disconnect the machine harness connectors J1 and J2 from the ECM.
At the J1 and J2 machine harness for the ECM, measure the resistance of the relay circuit J2-7 (wire 306-GN(Green)) to the +battery contacts. The possible sources of positive voltage are contacts: J1-31, J1-38, J1-39 and J1-47. Expected Result:Each resistance should be greater than 5000 ohms.Results:
YES - The machine harness is correct. Proceed to test step 2.
NO - There is a short in the machine harness.Repair: The short is between the signal contact of the relay and the circuit with the low resistance measurement. Repair the machine harness or replace the machine harness.STOPTest Step 2. CHECK IF THE DIAGNOSTIC CODE REMAINS.
Inspect the contacts and clean the contacts of the harness connectors.
Reconnect all harness connectors.
Turn the disconnect switch and the key start switch to the ON position.
Clear all of the inactive diagnostic codes.
Operate the machine.
Stop the machine. Then place the parking brake switch in the ON position.
Observe the status of the diagnostic code. The diagnostic code is present or the diagnostic code is NOT present. Expected Result:The diagnostic code for the relay is NO longer present.Results:
YES - The diagnostic code is NOT present.Repair: The diagnostic code does not exist at this time. The initial diagnostic code was probably caused by a poor electrical connection and/or a short at one of the harness connectors that was disconnected and reconnected. Resume normal machine operation.STOP
NO - The diagnostic code has not been corrected. It is unlikely that the ECM has failed.Repair: Exit this procedure and perform this diagnostic code again. Recheck the status of the diagnostic code. The diagnostic code is active or the diagnostic code is NOT active. Replace the ECM if the cause is not found. See Testing and Adjusting, "Electronic Control Module (ECM) - Replace".STOP

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