Mitsubishi Outlander XL. Manual — part 769
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Diagnostic trouble code
number
Diagnostic item
Reference
page
B1A11
Keyless/KOS key 2 low battery
B1A12
Keyless/KOS key 3 low battery
B1A13
Keyless/KOS key 4 low battery
B1A24
Key ID not registered
B1A25
Key ID unmatched
B1A28
Engine control module authenticate error
B1A35
Transponder read error
B2101
IG SW start POS.circuit low
B2102
IG SW start POS.circuit high
B2204
Coding data mismatch
B2206
VIN mismatch
B2352
Antenna fail
B2400
KOS key registration fail
B2401
Keyless/KOS key ID not registered
B2402
STL unit comm.(system ID)
B2403
STL unit comm.(CRC)
B2404
STL unit comm.(function code)
B2405
STL unit comm.(rolling code)
B2406
STL unit comm.(PTC operate)
B2407
STL unit comm.(EEPROM)
B2408
STL unit comm.(solenoid)
B2409
STL unit comm.(No response)
B240A
FR antenna(outdoor) open
B240B
FL antenna(outdoor) open
B240C
Liftgate antenna(outdoor) open
B240D
Front antenna(indoor) open
B240E
RR antenna(indoor) open
B240F
RL antenna(indoor) open
B2412
LF antenna power voltage
B2413
STL unit power voltage
B2414
Unlock sensor fail
B2415
RA module power voltage
B2416
ECU internal error
C1608
EEPROM error
C1900
No registration
C1901
Vehicle speed information abnormality
C1910
Transmitter low battery voltage abnormality 1
C1920
Transmitter low battery voltage abnormality 2
KEYLESS OPERATION SYSTEM (KOS)
42B-19
DIAGNOSIS
![](/vehicles/winoney/olyerd/mim/cison.png)
Diagnostic trouble code
number
Diagnostic item
Reference
page
C1930
Transmitter low battery voltage abnormality 3
C1940
Transmitter low battery voltage abnormality 4
C1911
Reception abnormality 1
C1921
Reception abnormality 2
C1931
Reception abnormality 3
C1941
Reception abnormality 4
C1912
Tire inflation pressure warning 1
C1922
Tire inflation pressure warning 2
C1932
Tire inflation pressure warning 3
C1942
Tire inflation pressure warning 4
C1913
Acceleration sensor abnormality 1
C1923
Acceleration sensor abnormality 2
C1933
Acceleration sensor abnormality 3
C1943
Acceleration sensor abnormality 4
C1914
Pressure sensor abnormality 1
C1924
Pressure sensor abnormality 2
C1934
Pressure sensor abnormality 3
C1944
Pressure sensor abnormality 4
U0019
Bus off (CAN-B)
U0141
ETACS-ECU CAN timeout
U0151
SRS-ECU CAN timeout
U0154
Occupant classification-ECU CAN timeout
U0155
Combination meter CAN timeout
U0164
A/C-ECU CAN timeout
U0184
Audio CAN timeout
U0197
Hands free module CAN timeout
U0245
Audio visual navigation unit CAN timeout
U1412
Implausible Vehicle Speed Signal Received
U1415
Coding not completed/Data fail
U1417
Implausible coding data
NOTE:
⦆
*1: STL unit = steering lock unit
⦆
*2: RA module = receiver antenna module
42B-20
KEYLESS OPERATION SYSTEM (KOS)
DIAGNOSIS
![](/vehicles/winoney/olyerd/mim/yeel.png)
DIAGNOSTIC TROUBLE CODE PROCEDURES
DTC B1731: Engine Control Module communication timeout
M14209100004USA0000010000
⦆
When the DTC B1731 is set, be sure to diagnose
the CAN bus line.
⦆
When replacing the ECU, always check that the
communication circuit is normal.
DTC SET CONDITION
KOS-ECU checks that the Engine Control Module
data has been received via the CAN bus lines, and if
not, sets the DTC No. B1731.
TECHNICAL DESCRIPTION (COMMENT)
If no data [ETACS transmits engine random number
data to KOS-ECU via the CAN bus lines] is received
from the Engine Control Module via the CAN bus lines
when the ignition switch is turned to ON position, it is
judged as abnormal.
TROUBLESHOOTING HINTS
⦆
Malfunction of CAN bus line
⦆
Malfunction of KOS-ECU
⦆
Malfunction of engine control module
⦆
Malfunction of ETACS-ECU
DIAGNOSIS
Required Special Tools:
⦆
MB991958: Scan Tool (M.U.T.-III Sub Assembly)
⦆
MB991824: Vehicles Communication Interface (V.C.I.)
⦆
MB991827: M.U.T.-III USB Cable
⦆
MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
KEYLESS OPERATION SYSTEM (KOS)
42B-21
DIAGNOSIS
![](/vehicles/winoney/olyerd/mim/keng.png)
STEP 1. 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 2.
NO:
Repair the CAN bus line. (Refer to GROUP 54D,
STEP 2. Using scan tool MB991958, read the Engine Control
Module diagnostic trouble code
Check again if the DTC is set to the engine control module.
Q:Is the DTC set?
YES:
Troubleshoot the MFI system (Refer to GROUP 13Ab,
Diagnostic trouble code chart P.13Ab-44).
NO:
Go to Step 3.
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:
Replace KOS-ECU and register the ID codes. (Refer
to P.42B-12.) After registering the ID codes, go to Step
4.
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.
(1)
Erase the DTC.
(2)
Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(3)
Check if DTC is set.
42B-22
KEYLESS OPERATION SYSTEM (KOS)
DIAGNOSIS
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