Error codes – Class1 Vernier Throttle for Cummins User Manual

Page 4

DOC 101058C_c:\manuals\throttles\cummins\cumthrot.p65

Error Codes

Error Codes

The

Class1

Vernier Throttle Interface continuously checks for several errors. Errors are displayed on

the green diagnostic LED. When an error is detected, the error number is flashed on the LED.

Example:

If the data link is not detected, (error 2) the LED will flash twice, pause two seconds and

repeat while the error is present.

Defined Errors

ERROR 1

Thottle Error

This error occurs when the controller does not detect an idle

throttle position. The interface will not take active control unitl the throttle is returned to it’s idle position.
This can also be caused by a miswired throttle connection or shorted wiring.

ERROR 2

No RPM Data

This error indicates that the interface module cannot find engine

RPM data on the J-1922 data link. This usually indicates that the data bus is not connected correctly
or is a bus that does not transmit engine speed.

ERROR 3

Data Link Error

This error indicates that there is a problem with the data bus.

This could be a short to ground or reversed connections.

ERROR 4

Transmit Error

This would indicate that there is a transmit conflict with another

device on the data bus.

ERROR 5

Device Conflict

This error indicates that there is another device on the data bus

transmitting the same commands to the engine.

ERROR 6

J1922 Data

This error indicates that the device does not recognize the data

bus as J1922.

For questions or concerns regarding the Class1 throttle interface:

Call

Class1

at 352-629-5020 or Fax at 352-629-2902

J-1922 Function

Conn.

Circuit

CELECT

Data +

Data -

CELECT PLUS

Data +

Data -

CELECT PLUS

Data +

OEM IN

Data -

OEM IN