Montero Sport LTD 2WD V6-3.5L SOHC (2000)
Technical Service Bulletin # 02-13-019
Date: 021001
Engine Controls - Oxygen Sensor Failure/DTC P0154
No.: TSB-02-13-019
DATE: October, 2002
MODEL: See below
SUBJECT:
PCM REPROGRAMMING FOR DTC P0154
(3.5L ENGINE)
PURPOSE
Incorrect PCM software parameters may cause oxygen sensor failure (Diagnostic Trouble Code P0154). To eliminate this condition and prevent future
oxygen sensor failure, reprogram the PCM and replace the oxygen sensor as described in this bulletin.
AFFECTED VEHICLES
1999-2001 Montero Sport equipped with 3.5L engine
PARTS INFORMATION
Use the Genuine Mitsubishi Part listed below:
Description
Part Number
B2S2 Left Rear 02 Sensor
MR988905
WARRANTY INFORMATION
Procedure
CAUTION
BATTERY VOLTAGE (AS MEASURED AT THE BATTERY POSTS WITHOUT ELECTRICAL LOAD)
MUST BE 12.4V OR HIGHER IN ORDER TO REPROGRAM THE PCM.
1.
Check the underside of the hood to verify that there is no label to indicate that this TSB reprogramming has already been done.
2.
Record any DTCs and freeze frame data set in the PCM. Then use the MUT-II to erase all DTCs.
3.
Use the MUT-II to read the ECU part number as described below, then refer to Attachment A to determine the appropriate ROM pack database
number.
a.
With the MUT-II connected, turn the ignition key to ON.
b.
At the MAIN MENU, select "1. System Select" and press Yes.
c.
Select "MFI" and press Yes.
d.
Select "Mitsubishi MFI" and press Yes.
e.
At the OBD-II check code screen, press Yes.
