816F Series 2 Landfill Compactor, 815F Series 2 Soil Compactor and 814F Series 2 Wheel Dozer Caterpillar


MID 081 - CID 1711 - FMI 04

Usage:

814F II BXG


Conditions Which Generate This Code:


Illustration 1g01341098

Schematic of the switch (transmission downshift)

This diagnostic code is associated with the switch (transmission downshift). The switch is connected to two inputs of the ECM. The inputs are "Normally Open" and "Normally Closed". One of the inputs is open and the other input is grounded during proper operation.

The FMI 04 means that the ECM has determined that the "Normally Open" and "Normally Closed" circuits are grounded.

Note: The following test procedure may create other diagnostic codes. Ignore these diagnostic codes and clear these diagnostic codes when the original diagnostic code has been corrected.Ensure that the diagnostic code of CID 1711 FMI 04 is active before performing this procedure.

System Response:

When this diagnostic code is active, the shift switch will not function.

Test Step 1. CHECK THE SWITCH

  1. Turn the key start switch and the disconnect switch to the OFF position.

  1. Disconnect the machine harness from the switch.

  1. Turn the key start switch and the disconnect switch to the ON position.

Expected Result:

The CID 1711 FMI 04 has been replaced by CID 1711 FMI 03.

Results:

  • OK - The CID 1711 FMI 04 has been replaced by CID 1711 FMI 03. The machine harness and the ECM are correct. Proceed to Test Step 3.

  • NOT OK - The CID 1711 FMI 04 is still active. Proceed to Test Step 2.

Test Step 2. CHECK THE HARNESS

  1. Turn the disconnect switch and the key start switch to the OFF position.

  1. The machine harness remains disconnected from the switch.

  1. Disconnect the machine harness connector(s) from the ECM.

  1. Measure the resistance between contacts J2-5 (wire 978-GN) and J1-32 (wire 974-PU) of the machine harness to all the contacts that are used in machine harness connectors for the ECM.

Expected Result:

Each resistance measurement is greater than 5000 ohms.

Results:

  • YES - Each resistance measurement is greater than 5000 ohms. The ECM has failed.

    Repair: It is unlikely that the ECM has failed. Exit this procedure and perform this procedure again. If the cause of the diagnostic code is not found, replace the ECM. See Testing And Adjusting, "Electronic Control Module (ECM) - Replace".

    STOP

  • NO - One or more of the resistance measurements are less than 5 ohms. The harness has failed. The short is between J2-5 (wire 978-GN) and the circuit with the lowest resistance or the short is between J1-32 (wire 974-PU) and the circuit with the lowest resistance.

    Repair: Repair the wiring harness or replace the wiring harness.

    STOP

Test Step 3. CHECK THE OPERATION OF THE SWITCH

  1. The machine harness remains disconnected from the switch.

  1. Connect one lead from a multimeter to contactC of the switch.

  1. Connect the other lead from a multimeter to contact A of the switch.

  1. Measure the resistance between contact C and contact A. Note the resistance.

  1. Disconnect the lead from contact A and connect the lead to contact B.

  1. Measure the resistance between contact C and contact B.

Expected Result:

One of the resistance measurements is less than 5 ohms, and the other resistance measurement is greater than 5000 ohms.

Results:

  • YES - One of the resistance measurements is less than 5 ohms, and the other resistance measurement is greater than 5000 ohms. Proceed to Test Step 4.

  • NO - The resistance measurements do not differ. The switch has failed.

    Repair: Replace the switch.

    STOP

Test Step 4. CHECK THE OPERATION OF THE SWITCH

  1. The machine harness remains disconnected from the switch.

  1. Press and hold the switch.

  1. The multimeter leads remain connected to contact C and B.

  1. Measure the resistance between contact C and contact B. Note the resistance.

  1. Disconnect the lead from contact B and connect the lead to contact A.

  1. Measure the resistance between contact C and contact A.

The resistance measurements are opposite of the measurements from the previous Test Step.

Expected Result:

The resistance measurements are opposite of the measurements from the previous Test Step.

Results:

  • YES - The resistance measurements are opposite of the measurements from the previous Test Step. The switch is operating correctly. Proceed to Test Step 5.

  • NO - The resistance measurements do not differ for both contacts, or the measurements have not changed from the previous Test Step. The switch has failed.

    Repair: Replace the switch.

    STOP

Test Step 5. CHECK IF THE DIAGNOSTIC CODE REMAINS.

  1. Inspect the contacts of the harness connectors and clean the connectors.

  1. Reconnect all harness connectors.

  1. Turn the disconnect switch and the key start switch to the ON position.

  1. Operate the machine.

  1. Determine if CID 1711 FMI 04 is present.

Expected Result:

The CID 1711 FMI 04 is active.

Results:

  • YES - The CID 1711 FMI 04 is active. The diagnostic code has not been corrected. The ECM may have failed.

    Repair: It is unlikely that the ECM has failed. Exit this procedure and perform this procedure again. If the cause of the diagnostic code is not found, replace the ECM. See Testing and Adjusting, "Electronic Control Module (ECM) - Replace".

    STOP

  • NO - The CID 1711 FMI 04 is not active. The diagnostic code is NOT present. The diagnostic code does not exist at this time.

    Repair: The initial diagnostic code was probably caused by a poor electrical connection or a short at one of the harness connectors that was disconnected and reconnected. Resume normal machine operation.

    STOP

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