Mitsubishi Outlander XL. Manual - part 772
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MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
STEP 1. Check the ignition key inserted in the key cylinder
for interference.
Check if there are other ignition keys or anything that interferes
with the communication (things that generate radio waves such
as magnets and an air-cleaning device that has a power plug)
near the ignition key inserted in the key cylinder.
Q:Are there other ignition keys or anything that interferes
with the communication?
YES:
Move away or remove other ignition keys or anything
that interferes with the communication, and go to Step 4.
NO:
Go to Step 2.
STEP 2. Using scan tool MB991958, diagnose the CAN bus
line.
ZC501967
AC404789
ZC5019680000
MB991824
MB991827
MB991910
Data link
connector
To prevent damage to scan tool (MB991958), always turn
the ignition switch to the "LOCK" (OFF) position before
connecting or disconnecting scan tool (MB991958).
(1)
Connect scan tool MB991958 to the data link connector.
(2)
Turn the ignition switch to the "ON" position.
(3)
Diagnose the CAN bus line.
(4)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the CAN bus line found to be normal?
YES:
Go to Step 3.
NO:
Repair the CAN bus line. (Refer to GROUP 54D,
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU.
(1)
Erase the DTC.
(2)
Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(3)
Check if DTC is set.
(4)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the DTC set?
YES:
Go to Step 5.
NO:
The trouble can be an intermittent malfunction (Refer
to GROUP 00 - How to use Troubleshooting/inspection
Service Points - How to Cope with Intermittent
Malfunction P.00-15).
STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU.
KEYLESS OPERATION SYSTEM (KOS)
42B-31
DIAGNOSIS