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GAUGE AS-TEMP 5088435 - Caterpillar

5088435 GAUGE AS-TEMP Caterpillar parts GAUGE
Alternative (cross code) number:
Caterpillar 5088435 GAUGE AS-TEMP
Weight: 0.30 pounds 0 kg.

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Illustration 1 g01508042
Connections of the 5 Volt SupplyThe sensor supply is a power supply that is internal to the ECM. The sensor supply provides +5 DCV in order to operate the sensors.This diagnostic code will be recorded when the ECM reads the voltage for the circuit of the sensor supply as being above normal.The results of this diagnostic code are listed:
All of the associated sensors will also log diagnostic codes.The possible causes of the diagnostic code are listed:
+5 DCV (wire L730-OR) is shorted to the +battery circuit in the machine harness.
The ECM has failed. This is unlikely.Test Step 1. CHECK FOR SHORT TO THE +BATTERY CIRCUIT
Turn the key start switch and the disconnect switch to the OFF position.
Disconnect the machine harness from the ECM.
At the machine harness connectors for the ECM, measure the resistance between the +battery contact and the contact for the sensor supply voltage. See the schematic for more detailed information about the sensor power supply for the sensor that is being tested.Expected Result:The resistance that is measured should be greater than 5000 ohms.Results:
OK - The resistance is greater than 5000 ohms. The harness circuit is correct. The ECM has failed.Repair: It is unlikely that the ECM has failed. Perform this procedure again. Prior to replacing an ECM, always contact your dealership for possible consultation with Caterpillar. This consultation may greatly reduce repair time. If the ECM requires replacing, refer to Testing and Adjusting, "Electronic Control Module (ECM) - Replace".STOP
NOT OK - The resistance measures less than 5000 ohms. The machine harness has failed. There is a short between the +battery circuit and the circuit for the sensor power supply in the machine harness.Repair: Repair the machine harness or replace the machine harness. STOP

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