ATEC Operation. -726250096

TM 9-2320-364-34-1

2-8. TROUBLESHOOTING INSTRUCTIONS (CONT).

(e)

Then the CEL will flash three times for the three in the number 13 and pause for about three seconds.

(f)

After the three second pause, the CEL will flash two times for the two in the number 23 and pause for

about a half of a second.

(g)

After the half second pause, the CEL will flash three times for the three in the number 23.

(h)

The CEL will continue to flash in this manner until all of the DDEC codes in the DDEC ECM

memory are displayed.

(i)

Turn OFF the ENGINE switch when all of the DDEC codes are flashed.

(j)

Remove the jumper wire.

(k)

Proceed to DDEC Troubleshooting (TM 9-2320-364-20) and the first code flashed by the CEL.

ATEC Operation.

(1)

The "CHECK TRANS" and "DO NOT SHIFT" lights will come ON when the ENGINE switch is first

turned ON as a bulb and system check. If lights remain ON when truck is started and/or placed into gear, a

failure has been detected. The ATEC ECU for the transmission will place a code into memory.

(2)

System selection procedure.

(a)

seconds.

MPSI PRO-LINK 9000

SOFTWARE COPYRIGHT

1989 VERSION 1.00

ATEC I

Data Readout Window

(b)

System selection process. In the ATEC I system, you must select the transmission type from the

Transmission Type menu.

ATEC I SYSTEM

SELECT TRANS TYPE

MT(B) 600 OR V. HT (B)

OR C(L)(B)T 700

Data Readout Window

(c)

Note the arrow symbols in the DDR display. They remind you to use the UP and DOWN arrow keys

to scroll to the desired transmission type. Each touch will move the display up or down by one item.

If you hold an arrow key down, the display will scroll quickly. The list is circular; it will return to the

beginning after the last one is viewed.

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