SEAL-RING 1232940 - Caterpillar

Engine Vision
The Display Screen is Black
Probable Root Causes
The electrical power supply is interrupted to the engine vision display.
A problem with the connector exists in the wiring harness for the engine vision. Check the wiring harness and connectors for open or short circuits.
A problem with the wiring exists in the wiring harness for the engine vision display. Check the wiring harness and connectors for open or short circuits.
Disconnect the power connector on the engine vision display. Check the cable for voltage between terminal "A" and terminal "B" at the harness connector. The correct voltage is 9 VDC to 32 VDC.The Display Screen is White, or the Screen Flashes
Probable Root Causes
The electrical power supply is interrupted to the engine vision display.
The battery is not capable of supplying the proper power requirements."ERROR" is Displayed Under One Set of Gauges (PORT or STBD)
Probable Root Causes
The improper engine location is programmed.
A problem exists in the harness for the Cat Data Link.
A problem exists in the Electronic Control Module (ECM).
A problem exists in the ECM software.
Check the electrical power supply connections to the ECM.
Check the negative battery connections to the ECM."ERROR" is Displayed Under All of the Gauges
Probable Root Causes
The Engine Vision Interface Module (EVIM) is not receiving the correct voltage.
A problem exists with the harness for the Cat Data Link.
The cable for the EVIM is damaged or the cable is not properly connected.
A problem exists in the wiring to the ECMs.
A problem exists in the ECM software.
An improper engine location is programmed.
Electrical power supply to the ECM or the connections from the −Battery bus bar to the ECM
The EVIM is not operating.Messenger
Unable to Read Characters on the Display
Probable Cause
Portions of the display may not light. Part of a character is missing, etc. The unit must be replaced.No Power to the Display
Probable Cause
Make sure that the keyswitch is in the ON position.
Loose power or loose ground connections to the display
The battery is dead.
After checking the above items, if condition still exists refer to the following section of this manual, "Diagnostic Functional Tests".No Data Link Communications
Probable Cause
No connection or an intermittent connection in the J1939 data link to the engine ECM
Check for improper wiring to the display for communications. Ensure that the display is wired with twisted pair wiring.
The engine has no power, intermittent power, or poor ground connections to the engine ECM. After checking the above items, if a condition still exists refer to Step 4 in the following section of this manual, "Diagnostic Functional Tests".Certain Parameters for "Instantaneous Data" Appear to be Unavailable
Probable Cause
This information is not available on the data link. Verify that the appropriate sensors are installed. For example, if "Aux Temp" is not shown by the display, verify that an auxiliary temperature sensor is installed on the application.