Landfill Compactors, Soil Compactors, Wheel Dozers, and Wheel Loaders VIMSTM 3G Caterpillar


Data Link Configuration Status - Test

Usage:

826K 232


Illustration 1g03672523
Data link connections of models:
834K, 836K and 988


Illustration 2g03672446
Data link connections of models:
966M, 966M XE, 972M, 972M XE, 980M and 982M 950M

Table 1 lists data link configuration status diagnostic trouble codes (DTCs).

Table 1
Communication Gateway #1 ECM (VIMSTM Main) ECM
(MID 161) 
DTC(1)  DTC Description  System Response 
254-14  Electronic Control Module - Special Instruction  Logged events that cannot be explained 
296-14  Transmission Control - Special Instruction  Logged events that cannot be explained 
590-14  Engine Control Module - Special Instruction  Logged events that cannot be explained 
596-14  Implement Control - Special Instruction  Logged events that cannot be explained 
800-11  VIMSTM Main Module - Failure Mode Not Identifiable  Logged events that cannot be explained 
1250-14  Remote Communication Module - Special Instruction  Logged events that cannot be explained 
(1) DTCs are shown as CID-FMI

Possible -11 DTC causes are:

  • Configuration is not loaded

  • Incompatible or incorrect configuration loaded

  • Configuration loaded did not take effect when the ECM was not properly powered cycled

Possible -14 DTC causes are:

  • Incorrect personality module DTC

  • Invalid parameter configuration

  • Incorrect ECM

Table 2
Troubleshooting Steps  Values  Results 

1. Check for DTCs

A. Connect Cat® Electronic Technician (Cat ET) to the machine.

B. Check for DTCs. 

DTC is not active 

OK - The DTC is not active.

STOP

Not OK - The DTC is active.

Go to Step 2. 

2. Check Connectors

A. Inspect the circuit harness connectors(1)

Connectors are:
* Clean
* Secure
* In good condition 

OK - Connectors are OK.
Go to Step 3.

Not OK - A connector is not OK.

Repair:

A. Correct any connector problem(1).

B. Verify that the problem is corrected.

STOP 

3. Check The Ground Circuit

A. Turn off the key start switch and battery disconnect switch.

B. Disconnect the harness from the ECM.

C. At the connector of the harness, use a multimeter to measure the resistance between the ECM out contacts and ground. 

< 5 Ω 

OK - The ground circuit is correct.

Go to Step 4.

NOT OK - The ground circuit is not correct. There is a short to ground in the harness.

Repair:


Repair or replace the harness.

Go to Step 4. 

4. Check If The DTC Remains

A. Reconnect all harness connectors.

B. Turn on the disconnect switch and the key start switch.

C. Operate the machine.

D. Check if DTC is active. 

DTC is not active 

OK - The DTC is no longer active.

Repair:

The DTC could have been caused by a poor connection. Resume machine operation.

STOP

NOT OK - The DTC is active.

Repair:

Go to Step 5.

STOP 

5. Check Software Version

A. Connect Cat ET.

B. Select the ECM that is related to the DTC.

C. Check the software version(2).  

Software version is correct 

OK - Software version is correct.

Go to Step 6.

Not OK - Software version is not correct.

Repair:

A. Obtain the correct flash file.

B. Flash the ECM(3).

C. Reset all active DTCs and clear all logged DTCs.

Stop 
(1) See Troubleshooting, "Electrical Connector - Inspect"
(2) Consult the Business Unit that produces the product for the correct part numbers
(3) See Testing and Adjusting, "ECM Software - Install"

Table 3
Troubleshooting Test Steps  Values  Results 

6. Check For an Associated -9 DTC

A. Establish communication between Cat ET and the VIMS ECM.

B. Check for an associated -9 DTC. 

Associated -9 DTC is not active 

OK - Associated -9 DTC is not active.

Go to Step 7.

Not OK - Associated -9 DTC is active.

Repair:

A. Repair all associated -9 DTCs.

B. If a -14 DTC is present after resolving the -9 DTC, correct the -14 DTC.

STOP 

7. Check the Personality Module Code for Compatibility With the Application

A. Connect Cat ET.

B. Select the ECM that is related to the DTC.

C. Check the personality code.  

Personality code is valid 

OK - Personality code is valid.

Go to Step 8.

Not OK - Personality code is not valid.

Repair:

A. Obtain the correct flash file.

B. Flash the ECM.

C. Reset all active DTCs and clear all logged DTCs.

Stop 

8. Check the Configuration Parameters

A. Connect Cat ET.

B. Select "Configuration Parameters".

C. Check the configuration parameters. 

Configuration parameters are correct 

OK - Configuration parameters are correct.

Go to Step 9.

Not OK - Configuration parameters are not correct.

Repair:

A. Program the parameters.

B. Reset all active DTCs and clear all logged DTCs.

Stop 

9. Check For Compatibility With Other ECMs On the Data Link

A. Connect Cat ET.

B. Select the ECM that is related to the logged DTC.

C. Determine if ECMs on the data link are compatible. 

ECMs are compatible 

OK - The ECMs are compatible.

Repair:

Perform this procedure again.
Contact your TC.

STOP

Not OK - The ECMs are not compatible.

Repair:

A. Replace the incompatible ECM with the correct ECM(1).

B. Reset all active DTCs and clear all logged DTCs.

Stop 
(1) See Testing and Adjusting, "ECM - Replace"

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