Diagnostic codes.

TM 9-2320-364-34-1

2-8. TROUBLESHOOTING INSTRUCTIONS (CONT).

(5)

Diagnostic codes. When the ENTER key is pressed on the DIAGNOSTIC CODES selection, the DDR

will display the code number, along with a description of the code(s) stored in the ATEC ECU.

(a)

When viewing DIAG CODES in the normal data list, the number on the left is usually a more severe

code than the code on the right side of the display. If both memory locations have a code stored in

the ATEC ECU, the arrows will appear on the bottom line of the code display screen.

(b)

The readout contains the name of the system or component that caused the code to be set.

ATEC I DIAG CODES

SPEED SENSOR

CODE 22

Data Readout Window

(c)

Press the FUNC key to exit.

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