Mitsubishi Outlander GS45X. Manual — part 1169
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-43
STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.
CAUTION
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 54C,
).
STEP 2. Register the transmitter and recheck the
diagnostic trouble code.
Register the keyless ID (Refer to
), and recheck if the
DTC is set.
(1) Erase the DTC.
(2) Turn the ignition switch from the "LOCK" (OFF) position to
the "ON" position.
(3) Check if the DTC is set.
Q: Is the DTC set?
YES : Replace WCM and register the ID codes. (Refer to
.)
NO : The procedure is complete.
ZC501967
AC404789
AC701411AB
MB991824
MB991827
MB991910
Data link
connector
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-44
DTC B2416: ECU internal error
.
DTC SET CONDITION
WCM sets DTC B2416 when it determines an abnor-
mal status within itself.
.
TECHNICAL DESCRIPTION (COMMENT)
WCM determines that the abnormality is present, if
the data abnormality is found when the ignition
switch is turned ON and then EEPROM is written.
.
TROUBLESHOOTING HINTS
Malfunction of 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)
Recheck for diagnostic trouble code.
Check again if the DTC is set to the WCM.
CAUTION
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) Erase the DTC.
(3) Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(4) Check if DTC is set.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?
YES : Replace WCM and register the ID codes. (Refer to
.)
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
ZC501967
AC404789
AC701411AB
MB991824
MB991827
MB991910
Data link
connector
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-45
DTC C1608: EEPROM error
CAUTION
If there is any problem in the CAN bus lines, an incorrect
diagnostic trouble code may be set. Prior to this diagno-
sis, diagnose the CAN bus lines (Refer to GROUP 54C,
Trouble code diagnosis
.
DTC SET CONDITION
WCM incorporates EEPROM (nonvolatile memory), and that
EEPROM stores the TPMS, WCM and immobilizer information.
When the data in EEPROM is failed, this code is set.
.
TROUBLESHOOTING HINTS
The most likely causes for this DTC to set are:
• Damaged wiring harness and connector
• Malfunction of 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
STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines (Refer to GROUP 54C
−
CAN Bus Diagnostics table
). On
completion, go to Step 2.
STEP 2. Diagnostic trouble code check
(1) Turn the ignition switch to the "LOCK" (OFF) position.
(2) Turn the ignition switch to the "ON" position.
(3) Check if the DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC C1608 set?
YES : Replace the WCM and register the ID codes (Refer to
). Then go to Step 3.
NO : The procedure is complete.
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-46
STEP 3. Diagnostic trouble code check
(1) Turn the ignition switch to the "LOCK" (OFF) position.
(2) Turn the ignition switch to the "ON" position.
(3) Check if the DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC C1608 set?
YES : Start over at Step 1.
NO : The procedure is complete.
DTC C1900: No registration
CAUTION
If there is any problem in the CAN bus lines, an incorrect
diagnostic trouble code may be set. Prior to this diagno-
sis, diagnose the CAN bus lines (Refer to GROUP 54C,
Trouble code diagnosis
.
DTC SET CONDITION
When the ID registration information of the TPMS transmitter is
not stored in WCM, and/or when WCM is replaced with a new
one, this code is set. If the ID registration mode is terminated
forcibly or time-out after one or more TPMS transmitters are
registered in the ID registration mode, the ID information in the
WCM is erased, and this diagnostic trouble code is set.
.
TROUBLESHOOTING HINTS
The most likely causes for this DTC to set are:
• Damaged wiring harness and connector
• Malfunction of TPMS transmitter
• Malfunction of WCM
• ID code registration failed
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
STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines (Refer to GROUP 54C
−
CAN Bus Diagnostics table
). On
completion, go to Step 2.
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