2H9912 REMOTE GOVERNOR CONTROL GROUP Caterpillar parts D337 REMOTE
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Compatible equipment models: 2H9912:
MARINE ENGINE D337 Caterpillar
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
The engine is equipped with an Electronic Control Module (ECM). The ECM contains no moving parts. Follow the troubleshooting procedures in this manual in order to be sure that replacing the ECM will correct a fault. Verify that the suspect ECM is the cause of the fault.Note: Ensure that the ECM is receiving power and that the ECM is properly grounded before replacement of the ECM is attempted. Refer to the schematic diagram.A test ECM can be used in order to determine if the ECM on the engine is faulty. Install a test ECM in place of the suspect ECM. Install the flash file with the correct part number into the test ECM. Program the parameters for the test ECM. The parameters must match the parameters in the suspect ECM. Refer to the following test steps for details. If the test ECM resolves the fault, reconnect the suspect ECM. Verify that the fault returns. If the fault returns, replace the ECM.Note: If an ECM is used as a test ECM, select "Test ECM Mode" on the electronic service tool before the engine serial number is entered.Use the electronic service tool to read the parameters in the suspect ECM. Record the parameters in the suspect ECM. Install the flash file into the new ECM. After the ECM is installed on the engine, the parameters must be programmed into the new ECM.Note: When a new ECM is not available, an ECM can be used from an engine that is not in service. The ECM must have the same serial number suffix. Ensure that the replacement ECM and the part number for the flash file match the suspect ECM. Be sure to record the parameters from the replacement ECM. Use the "Copy Configuration ECM Replacement" function in the electronic service tool.
If the flash file and engine application are not matched, engine damage may result.
Perform the following procedure in order to replace the ECM.
Connect the electronic service tool to the diagnostic connector.
Use the "Copy Configuration ECM Replacement" function from the electronic service tool. If the "Copy Configuration" is successful, proceed to Step 4. If the "Copy Configuration" failed, proceed to Step 10.b. Note: Record any Logged Faults and Events for your records.
Record the following parameters:
Record all of the parameters on the "Configuration" screen.
Record all of the parameters on the "Throttle Configuration" screen.
Record all of the parameters on the "Mode Configuration" screen.
Record the serial numbers of the electronic unit injectors. The injector serial numbers are shown on the "Injector
Caterpillar SIS machinery equipment:
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