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PLATE AS 3C8363 - Caterpillar

3C8363 PLATE AS Caterpillar parts
Alternative (cross code) number:
Caterpillar 3C8363 PLATE AS
Weight: 0.25 pounds 0 kg.

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System Operation During Engine OperationThe intake valve actuation system does not operate until the engine has reached normal operating temperature. Also, the engine must meet certain operating conditions in order to activate the intake valve actuation system.There are three housings under the valve cover. Each housing contains two actuators. There is a solenoid for each actuator. The ECM sends a command to a solenoid when the ECM requires the intake valves for a cylinder to remain open. The ECM monitors the current flow through the circuit for the solenoid. The ECM activates a diagnostic code if the current flow is below normal or above normal."Intake Valve Actuator Solenoid Test"This test is available on the Caterpillar Electronic Technician (ET). The test helps diagnose problems with the circuits for the solenoids. The following conditions must be met before the test will function:
Engine speed must be zero.
Vehicle speed must be zero.
The transmission gearshift lever must be in neutral.
Illustration 1 g01407816
Schematic for the C13 engine
Illustration 2 g01407695
Schematic for the C15 engine
Illustration 3 g01185728
P2 terminals for the intake valve actuators
(18) Actuator 4 return
(21) Actuator 5 return
(22) Actuator 2 return
(31) Actuator 3 return
(42) Actuator 6 return
(50) Actuator 1 return
(58) Actuator 5 & 6 supply
(67) Actuator 3 & 4 supply
(68) Actuator 1 & 2 supply Test Step 1. Inspect the Electrical Connectors and the Wiring
Check the engine harness between the P2 connector and the connectors near the grommets. Look for the following problems:
Loose connectors or damaged connectors
Damage that is caused by excessive heat
Damage that is caused by chafing
Improper routing of wiring
Damaged insulation
Inspect the connectors near the grommets. The connectors must be clean and dry.
Perform a 45 N (10 lb) pull test on each of the wires in the connectors. This test verifies that the wire is properly crimped to the terminal and that the terminal is properly inserted into the connector. Expected Result:The wiring is OK.Results:
The wiring is OK. - If you are troubleshooting a -5 code, proceed to Test Step 2. If you are troubleshooting a -6 code, proceed to Test Step 3.
The wiring is not OK - Repair: Perform the following procedure:

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