Mitsubishi Outlander XL. Manual — part 1067
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. Refer to "How to connect the
scan tool (M.U.T.-III) P.54Af-4."
(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, check for any
diagnostic trouble code.
Check if DTC is set to the KOS-ECU <vehicles with KOS> or
WCM <vehicles with WCM>.
(1)
Turn the ignition switch to the "ON" position.
(2)
Check whether the KOS or WCM related DTC is set.
(3)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the DTC set?
YES<vehicles with KOS>:
Troubleshoot the KOS (Refer to
YES<vehicles with WCM>:
Troubleshoot the WCM (Refer to
NO:
Go to Step 3.
STEP 3. Check the keyless operaton key <KOS> or keyless
entry transmitter <WCM>.
Q:is the keyless operaton key <KOS> or keyless entry
transmitter <WCM> normally?
YES:
Go to Step 4.
NO<vehicles with KOS>:
Troubleshoot the KOS (Refer to
NO<vehicles with WCM>:
Troubleshoot the WCM (Refer to
STEP 4. Using scan tool MB991958, Check the configuration
function.
(1)
Turn the ignition switch to the "ON" position.
(2)
Use the ETACS-ECU configuration function to check that the
"Alarm" is set to "Enable".
(3)
Turn the ignition switch to the "LOCK" (OFF) position.
ALARM SYSTEM
54Af-9
DIAGNOSIS
Q:Is the "Alarm" set to "Enable"?
YES:
Go to Step 5.
NO:
Use the ETACS-ECU configuration function to set the
"Alarm" to "Enable" (Refer to P.54Af-27).
STEP 5. Using scan tool MB991958, check data list.
Use the ETACS-ECU data list to check the signals related to the
theft-alarm function.
⦆
Turn the ignition switch to the "ACC" position.
⦆
Close the hood.
⦆
Turn the ignition switch to the "LOCK" (OFF) position (with
ignition key <vehicles with WCM> or emergency key <vehicles
with KOS> inserted).
⦆
Open each door.
⦆
Open the liftgate.
Item No.
Item name
Normal
condition
Item 256
Dr door ajar switch
Open
Item 257
As door ajar switch
Open
Item 258
RR door ajar switch
Open
Item 259
RL door ajar switch
Open
Item 260
Trunk/gate trunk ajar
switch
Open
Item 264
Handle lock switch
Key in
Item 266
Hood switch
OFF
Item 288
ACC switch
ON
Q:Does scan tool MB991958 display the items "Dr door ajar
switch", "As door ajar switch", "RR door ajar switch", "RL
door ajar switch", "Trunk/gate trunk ajar switch" ,
"Handle lock switch", "Hood switch" and "ACC switch"
as normal condition?
YES<Normal conditions are displayed for all items.>:
Go
to Step 6.
NO<Normal condition is not displayed for item No.
256.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 5 "ETACS-ECU does not
receive any signal from the front door switch (LH)" P.
54Ad-73.
NO<Normal condition is not displayed for item No.
257.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 6 "ETACS-ECU does not
receive any signal from the front door switch (RH)" P.
54Ad-75.
NO<Normal condition is not displayed for item No.
258.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 7 "ETACS-ECU does not
receive any signal from the rear door switch (LH)" P.
54Ad-77.
54Af-10
ALARM SYSTEM
DIAGNOSIS
NO<Normal condition is not displayed for item No.
259.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 8 "ETACS-ECU does not
receive any signal from the rear door switch (RH)" P.
54Ad-80.
NO<Normal condition is not displayed for item No.
260.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 9 "ETACS-ECU does not
receive any signal from liftgate latch switch" P.
54Ad-82.
NO<Normal condition is not displayed for item No.
264.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 3 "ETACS-ECU does not
receive any signal from key reminder switch" P.54Ad-64.
NO<Normal condition is not displayed for item No.
266.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 10 "ETACS-ECU does not
receive any signal from the hood switch" P.54Ad-85.
NO<Normal condition is not displayed for item No.
288.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 1 "ETACS-ECU does not
receive any signal from the ignition switch (ACC)
signal" P.54Ad-61.
STEP 6. Check center panel unit connector C-104 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q:Is center panel unit connector C-104 in good condition?
YES:
Go to Step 7.
NO:
Repair the damaged parts.
STEP 7. Check the theft-alarm indicator.
ZC6008830000
Center panel
Q:Is the theft-alarm indicator in good condition?
YES:
Go to Step 8.
NO:
Replace the center panel unit.
STEP 8. Check ETACS-ECU connector C-307 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q:Is the ETACS-ECU connector C-307 in good condition?
YES:
Go to Step 9.
NO:
Repair the damaged parts.
STEP 9. Measure the voltage at ETACS-ECU connector
C-307.
(1)
Disconnect ETACS-ECU connector C-307, and measure the
voltage wiring harness side.
ALARM SYSTEM
54Af-11
DIAGNOSIS
ZC5010400016
Connector C-307
(Harness side)
(2)
Measure the voltage between ETACS-ECU connector-307
(terminal No. 2) and the body ground.
⦆
The voltage should measure approximately 12 volts
(battery positive voltage).
Q:Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES:
Go to Step 11.
NO:
Go to Step 10.
STEP 10. Check the Wiring harness between ETACS-ECU
connector C-307 (terminal No. 2) and fusible link (36).
⦆
Check the power supply line for open circuit.
Q:Is the check result 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 wiring harness between ETACS-ECU
connector C-307 and fusible link (36).
STEP 11. Check ETACS-ECU connector C-317 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q:Is ETACS-ECU connector C-317 in good condition?
YES:
Go to Step 12.
NO:
Repair the damaged parts.
STEP 12. Check the Wiring harness between ETACS-ECU
connector C-317 (terminal No. 2,9) and center panel unit
connector C-104 (terminal No. 15,12).
⦆
Check the input/output lines for open circuit and short circuit.
Q:Is the check result normal?
YES:
Go to Step 13.
NO:
Repair the wiring harness between ETACS-ECU
connector C-317 and center panel unit connector C-104.
STEP 13. Retest the system.
Q:Does the theft-alarm work normally?
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:
Replace the ETACS-ECU.
54Af-12
ALARM SYSTEM
DIAGNOSIS
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