CORE A. 9H9240 - Caterpillar

Illustration 1 g02548140
Cat® data-link circuitThis diagnostic code is recorded when the VIMSTM 3G Main ECM does not receive Color Multi Purpose Display (CMPD) information at the correct rate. The information is communicated through the Cat® data-link.System Response:This failure results in events logged against the VIMS 3G Main ECM that cannot be explained. The VIMS 3G Main ECM cannot communicate with the CMPD or the VIMS 3G Main ECM communicates intermittently.Test Step 1. VERIFY HARDWARE AND SOFTWARE PART NUMBERS
Verify that the following are correct:
VIMS 3G Main ECM software part number
VIMS 3G Main ECM part number
CPMD part number Note: Consult the business unit that produces the product for the correct part numbers.Expected Result:All part numbers are correct. Results:
OK - All part numbers are correct. Proceed to Test Step 2.
NOT OK - All part numbers are not correct.Repair: Replace components that have incorrect part numbers. If you replaced an ECM, flash the correct software. See, "Electronic Control Module (ECM) - Flash Program".STOPTest Step 2. INSPECT THE HARNESS
Turn off the disconnect switch.
Inspect the Cat data-link portion of the harness for the following:
Connections are clean and tight
Connectors mate properly
Seals are in place
Signs of damage
Wires are tight in the connectorNote: Take care not to pull the wire out of the connector.
Check the connectors for the following:
Moisture
Dirty contacts
Corroded contacts
Proper pin installation
Proper matingExpected Result:The harness passes inspection.Results:
OK - The harness passes inspection. Proceed to Test Step 3.
NOT OK - The harness does not pass inspection.Repair: Repair or replace the