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WIRING GP-CSL 2389990 - Caterpillar

2389990 WIRING GP-CSL Caterpillar parts WIRING
Alternative (cross code) number:
Caterpillar 2389990 WIRING GP-CSL

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Table 1
Event Code
Description Default Conditions which Generate this Code System Response
E035 Loss of Coolant Flow Warning The coolant flow switch opens. The code is active and the code is logged. The coolant flow switch is used to determine if there is sufficient flow of coolant in the cooling system of the engine. The coolant flow switch is closed when coolant is flowing in the system. The Electronic Control Module (ECM) monitors the status of the coolant flow switch, and the ECM will alert the operator if there is a loss of coolant flow.Check the operation of the jacket water coolant pump.
Illustration 1 g01208730
Right side view
(1) Coolant flow switch
Illustration 2 g02108141
Illustration 3 g01147985
P1 ECM connector
(P1-30) Coolant flow
Illustration 4 g01147988
P2 ECM connector
(P2-54) Digital return Test Step 1. Check the Coolant Level
Check the coolant level. Refer to the Operation and Maintenance Manual for information on checking the coolant level. Expected Result:The coolant level is OK.Results:
OK - The coolant is OK. Proceed to Test Step 2.
Not OK - The coolant level is low.Repair: Determine the reason for a low coolant level.Refer to Systems Operation/Testing and Adjusting for information on testing the cooling system.Verify that the repair eliminates the problem.STOPTest Step 2. Inspect Electrical Connectors and Wiring
Remove electrical power from the engine ECM.
Thoroughly inspect the J1/P1 and J2/P2 ECM connectors. Inspect the connector for the coolant flow switch. Refer to

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