5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) Caterpillar

Prior to replacement of a VIMS module, ensure that replacement is absolutely necessary. The VIMS module is seldom the cause of a failure. Always check that power is available to the VIMS module. The system voltage should be present at connector contacts 1 and 2 of the machine harness. During operation, the key start switch also supplies system voltage to connector contact 8 of the main module.

Note: When possible, record the information that is listed here prior to replacing a VIMS main module:

• Serial number

• Unit number

• SMH

• Odometer (OHT)

• Date and the time

Procedure

1. Turn the disconnect switch and the key start switch to the OFF position. Disconnect the machine harness from the VIMS module.

2. Ensure that the part number of the control is correct prior to replacement.

3. Install the VIMS module.

4. Connect the machine harness to the VIMS module.

5. Turn the disconnect switch and the key start switches to the ON position.

6. When the main module is replaced, the off-board service tool must be used to install the source and the configuration software. For more information, refer to the Testing and Adjusting, "Off Board Service Tool" section.

7. Ensure the correct operation of the VIMS module.