Mitsubishi Outlander XL. Manual - part 814

(4)

Turn the ignition switch to the "LOCK" (OFF) position.

Q:Is the DTC set?

YES:

 Replace WCM and register the ID codes. (Refer to P.

42C-8.)

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).

DTC B1761: VIN code not programmed

M14209200011USA0000010000

｠

When  the  DTC  No.  B1761  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
WCM sets DTC B1761 when no VIN is recorded in it.

TECHNICAL DESCRIPTION (COMMENT)
WCM  determines  that  the  abnormality  is  present
when no VIN is recorded in it.

TROUBLESHOOTING HINTS

｠

VIN not programmed

｠

Malfunction of the WCM

DIAGNOSIS

Required Special Tools:

｠

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

｠

MB991824: Vehicle 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)

WIRELESS CONTROL MODULE (WCM)

42C-15

DIAGNOSIS

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,

Diagnosis P.54D-17).

STEP 2. Register the VIN and recheck the diagnostic trouble
code.
Register VIN in WCM (Refer to GROUP 00 - How to Perform
Vehicle  Identification  Number  (VIN)  Writing  P.00-26)  and
recheck if the DTC is set.

(1)

Turn the ignition switch from the "LOCK" (OFF) position to
the "ON" position.

(2)

Check if DTC is set.

(3)

Turn the ignition switch to the "LOCK" (OFF) position.

Q:Is the DTC set?

YES:

 Replace WCM and register the ID codes. (Refer to P.

42C-8.)

NO:

 The procedure is complete.

Code No.B1A08 Keyless/KOS key1 performance

M14209200012USA0000010000

Code No.B1A09 Keyless/KOS key2 performance
Code No.B1A0A Keyless/KOS key3 performance
Code No.B1A0B Keyless/KOS key4 performance
Code No.B1A0C Keyless key 5 performance
Code No.B1A0D Keyless key 6 performance
Code No.B1A0E Keyless key 7 performance
Code No.B1A0F Keyless key 8 performance

When  replacing  the  ECU,  always  check  that  the
communication circuit is normal.

DIAGNOSTIC FUNCTION
The  door  locking/unlocking  code  is  automatically
updated  every  time  the  doors  are  locked  (rolling
code).  WCM  stores  diagnostic  trouble  code  No.
B1A08,  B1A09,  B1A0A,  B1A0B,  B1A0C,  B1A0D,
B1A0E,  or  B1A0F  when  it  receives  wrong  signal
(rolling  code  out  of  synchronization)  from  the
transmitter.

42C-16

WIRELESS CONTROL MODULE (WCM)

DIAGNOSIS

JUDGEMENT CRITERIA

｠

B1A08:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter  1  (the  first  transmitter  registered  in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A09:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter 2 (the second transmitter registered in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A0A:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter  3  (the  third  transmitter  registered  in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A0B:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter  4  (the  fourth  transmitter  registered  in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A0C:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter  5  (the  fifth  transmitter  registered  in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A0D:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter  6  (the  sixth  transmitter  registered  in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A0E:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter 7 (the seventh transmitter registered in
WCM) greatly differs from the rolling code stored in
WCM.

｠

B1A0F:  WCM  determines  that  the  abnormality  is
present  when  the  rolling  code  received  from  the
transmitter  8  (the  eighth  transmitter  registered  in
WCM) greatly differs from the rolling code stored in
WCM.

PROBABLE CAUSES

｠

Rolling code out of synchronization

｠

Malfunction of the transmitter

｠

Malfunction of the WCM

DIAGNOSTIC PROCEDURE

STEP 1. Synchronize the rolling code and recheck
the diagnostic trouble code.

(1)

Synchronize  the  rolling  code.  Use  either  way  to
synchronize the rolling code:

｠

Push the transmitter switches twice or more.

｠

Resister the keyless entry secret code of. (Refer
to P.00-15.)

NOTE: 

*: Name of the signals to be

registered.

(2)

Recheck if the diagnostic trouble code is set.
Erase the diagnostic trouble code.
Push  the  lock  switch  or  unlock  switch  of
transmitter.
Check if the diagnostic trouble code is set.

Q:Is the diagnostic trouble code set?

YES:

 Go to Step 2.

NO:

 The procedure is complete.

STEP 2. Check whether the diagnostic trouble
code is reset.
Replace the transmitter with a new one, register the
encrypted  code  and  the  keyless  entry  secret  code
(Refer  to  P.00-15.),  and  recheck  if  the  diagnostic
trouble code is set.

(1)

Erase the diagnostic trouble code.

(2)

Push  the  lock  switch  or  unlock  switch  of
transmitter.

(3)

Check if the diagnostic trouble code is set.

Q:Is the diagnostic trouble code set?

YES:

 Replace WCM and register the ID codes.

(Refer to P.00-15.)

NO:

 The procedure is complete.

Code No.B1A10 Keyless/KOS key 1 low battery

M14209200013USA0000010000

Code No.B1A11 Keyless/KOS key 2 low battery
Code No.B1A12 Keyless/KOS key 3 low battery
Code No.B1A13 Keyless/KOS key 4 low battery
Code No.B1A14 Keyless key 5 low battery
Code No.B1A15 Keyless key 6 low battery
Code No.B1A16 Keyless key 7 low battery

Code No.B1A17 Keyless key 8 low battery

When  replacing  the  ECU,  always  check  that  the
communication circuit is normal.

WIRELESS CONTROL MODULE (WCM)

42C-17

DIAGNOSIS

DIAGNOSTIC FUNCTION
WCM  sets  the  diagnostic  trouble  code  No.  B1A10,
B1A11,  B1A12,  B1A13,  B1A14,  B1A15,  B1A16,  or
B1A17  when  it  receives  low  battery  voltage  signal
from the transmitter.

JUDGEMENT CRITERIA

｠

B1A10:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  1  (the  first  transmitter
registered in WCM) five consecutive times.

｠

B1A11:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  2  (the  second  transmitter
registered in WCM) five consecutive times.

｠

B1A12:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  3  (the  third  transmitter
registered in WCM) five consecutive times.

｠

B1A13:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  4  (the  fourth  transmitter
registered in WCM) five consecutive times.

｠

B1A14:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  5  (the  fifth  transmitter
registered in WCM) five consecutive times.

｠

B1A15:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  6  (the  sixth  transmitter
registered in WCM) five consecutive times.

｠

B1A16:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal
from  the  transmitter  7  (the  seventh  transmitter
registered in WCM) five consecutive times.

｠

B1A17:  WCM  determines  that  the  abnormality  is
present when it receives low battery voltage signal

from  the  transmitter  8  (the  eighth  transmitter
registered in WCM) five consecutive times.

PROBABLE CAUSES

｠

Battery failure in the transmitter

｠

Malfunction of the transmitter

｠

Malfunction of WCM

DIAGNOSTIC PROCEDURE

STEP 1. Replace the battery in the transmitter and
recheck the diagnostic trouble code.
Replace the battery in the transmitter with a new one,
and recheck if the diagnostic trouble code is set.

(1)

Replace the battery in the transmitter.

(2)

Use the transmitter to lock/unlock the doors.

(3)

Check if the diagnostic trouble code is set.

Q:Is the diagnostic trouble code set?

YES:

 Go to Step 2.

NO:

 The procedure is complete. (Discharged

battery)

STEP 2. Replace the transmitter and recheck the
diagnostic trouble code.
Replace the transmitter with a new one, register the
encrypted  code  and  the  keyless  entry  secret  code
(Refer  to  P.00-15.),  and  recheck  if  the  diagnostic
trouble code is set.

(1)

Use the transmitter to lock/unlock the doors.

(2)

Check if the diagnostic trouble code is set.

Q:Is the diagnostic trouble code set?

YES:

 Replace WCM and register the ID codes.

(Refer to P.00-15.)

NO:

 The procedure is complete.

DTC B1A24: Transponder ID not registered

M14209200014USA0000010000

DTC SET CONDITION
WCM sets DTC B1A24 when the encrypted code was
not registered in it.

TECHNICAL DESCRIPTION (COMMENT)
WCM determines that the abnormality is present, if the
ignition key's encrypted code is not registered in WCM
when the ignition switch is turned ON.

TROUBLESHOOTING HINTS

｠

Encrypted code not registered

｠

Malfunction of the ignition key

｠

Malfunction of WCM

42C-18

WIRELESS CONTROL MODULE (WCM)

DIAGNOSIS