Mitsubishi Outlander XL. Manual - part 787
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. Refer to "How to connect the
Scan Tool (M.U.T.-III) P.42B-10."
(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 2.
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 2. Using scan tool MB991958, diagnose the CAN bus
line.
(1)
Turn the ignition switch to the "ON" position.
(2)
Diagnose the CAN bus line.
(3)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the CAN bus line found to be normal?
YES:
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).
NO:
Repair the CAN bus line. (Refer to GROUP 54D,
DTC U0141: ETACS-ECU CAN timeout
M14209100102USA0000010000
｠
If the DTC U0141 is set, be sure to diagnose the
CAN bus line.
｠
When replacing the ECU, always check that the
communication circuit is normal.
DIAGNOSTIC FUNCTION
If the signal from ETACS-ECU cannot be received,
the KOS-ECU sets the DTC U0141.
TROUBLESHOOTING HINTS
｠
Malfunction of CAN bus line
｠
Malfunction of KOS-ECU
｠
Malfunction of ETACS-ECU
DIAGNOSIS
Required Special Tools:
｠
MB991958: Scan Tool (M.U.T.-III Sub Assembly)
KEYLESS OPERATION SYSTEM (KOS)
42B-91
DIAGNOSIS