MID 081 - CID 1834 - FMI 04
Conditions Which Generate This Code:
Show/hide table
Illustration 1 | g01127915 |
Key Start Switch circuit |
This diagnostic code is recorded when the ECM reads the signal voltage of the key start switch and the voltage is too low.
The possible causes of this failure are listed here:
- The signal circuit in the machine harness is shorted to ground.
- The ECM has failed. This is unlikely.
The diagnostic code of CID 1834 FMI 04 will be logged in the internal memory of the ECM.
Test Step 1. CHECK THE HARNESS.
- Turn the disconnect switch and the key start switch to the OFF position.
- Disconnect the wire (wire 306-GN(Green)) from the keyswitch.
- Disconnect the J1 and J2 machine harness connectors from the ECM.
- At the keyswitch, measure the resistance between wire (wire 306-GN(Green)) and frame ground.
Expected Result:
The resistance is greater than 5000 ohms.
Results:
- OK - The resistance is greater than 5000 ohms. The harness circuit resistance is correct. The ECM may have failed.
Repair: It is unlikely that the ECM has failed. Exit this procedure, and perform this procedure again. If the failure is not found, replace the ECM. See Troubleshooting, "Electronic Control Module (ECM) - Replace".
STOP
- NOT OK - The resistance is less than 5000 ohms. The machine harness has failed. There is a short between frame ground and the signal circuit in the machine harness.
Repair: Repair the machine harness or replace the machine harness.
STOP
Caterpillar Information System:
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders MID 081 - CID 0262 - FMI 04
574B Forwarder Cab Tilting
574B Forwarder Bottom Guard Lowering
R1600G Load Haul Dump Lifting and Tying Down the Machine
IT28G Integrated Toolcarrier and 924G, 924GZ and 928G Wheel Loaders MID 081 - CID 0041 - FMI 04
R1600G Load Haul Dump Parking (Remote Control)
IQAN® Monitoring ; Control System IQAN-MDM
Bench Test Procedure for Hydraulic Piston Pumps {3203, 5070} Bench Test Procedure for Hydraulic Piston Pumps {3203, 5070}
R1600G Load Haul Dump Operation (Remote Control)
247, 257, 267, 277 and 287 Multi Terrain Loaders Alternate Exit
574B Forwarder Hood Tilting
Premier Grade and Slope Control System Sonic Sensor
2002/12/23 New Liquid Level Switch Extends Service Life {7422}
R1600G Load Haul Dump Towing the Machine
R2900G Load Haul Dump Gauges
R2900G Load Haul Dump Operator Mode Scroll Switch
R1300G Load Haul Dump Braking System Service and Parking Brake
2002/12/23 Correction to Systems Operation Testing and Adjusting "Ride Control Circuit (If Equipped)" {5077}
R2900G Load Haul Dump Engine and Machine Warm-Up
R2900G Load Haul Dump Bucket Rated Load
R1300G Load Haul Dump Braking System Parking Brake (Automatic Function)
2002/12/09 The Color of Certain O-Ring Seals Will Change {7555}
Topcon® System Five Grade and Slope Control System Troubleshooting
C7 Petroleum Engines Lubrication System