Montero Sport LTD 4WD V6-3.5L SOHC (1999)
10.
If either of the following messages display, STOP! Do not continue with this procedure:
a.
If the PCM has already been reprogrammed, the MUT-II will display "This ECU has already been reprogrammed." Do not continue with
this procedure.
b.
If the PCM was manufactured with the latest software update, the MUT-II will display "ECU data for above part # and ROM-ID is not
available." Do not continue with this procedure.
11.
If the MUT-II displays "Reprogramming is not possible on this ECU," first verify that the correct ROM pack is installed.
a.
If the correct ROM pack is installed and this message displays, replace the PCM. Record this MUT-II screen information and the ROM pack
database number on the repair order. If you replace the PCM, be sure to verify that the new PCM has the latest software. After installing the
new PCM, follow the instructions in Step 3 to read the ECU part number and ROM ID. Then compare this information with the latest PCM
software database information on the Diamond Dealer Link and in MEDIC. Reprogram the new PCM if necessary.
12.
If the PCM can be reprogrammed, the MUT-II will display, "Do you want to reprogram this ECU?" Press "YES".
13.
The MUT-II will display this screen as it reprograms the PCM. It will take approximately 15 minutes to complete.
CAUTION
DO NOT DISTURB THE HARNESS CABLES OR CONNECTIONS. INTERRUPTION DURING THE PROGRAMMING PROCESS COULD
CAUSE THE PCM TO LOSE DATA OR PREVENT FUTURE PCM REPROGRAMMING.
