Mitsubishi Outlander GS45X. Manual — part 214
THEFT ALARM
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CHASSIS ELECTRICAL
54A-853
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 GROUP 42B, KOS
).
YES <vehicles with WCM> : Troubleshoot the WCM
(Refer to GROUP 42C, WCM
NO : Go to Step 3.
STEP 3. Check the keyless operation key <KOS> or
keyless entry transmitter <WCM>.
Q: is the keyless operation key <KOS> or keyless entry
transmitter <WCM> normally?
YES : Go to Step 4.
NO <vehicles with KOS> : Troubleshoot the KOS (Refer
to GROUP 42B, KOS
).
NO <vehicles with WCM> : Troubleshoot the WCM (Refer
to GROUP 42C, WCM
THEFT ALARM
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CHASSIS ELECTRICAL
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STEP 4. 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.
• Turn the ignition switch to the "LOCK" (OFF) position (with
ignition key <vehicles with WCM> or emergency key <vehi-
cles with KOS> inserted).
• Open each door.
• Open the liftgate.
• Open the hood.
• Close each door.
• Close the liftgate.
• Open the hood.
Q: Does scan tool MB991958 display the items "Dr door
ajar switch", "As door ajar switch", "RR door ajar
Item No.
Item name
Normal
condition
Item 288
ACC switch
ON
Item No.
Item name
Normal
condition
Item 264
Handle lock switch
Key in
Item 288
ACC switch
OFF
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 266
Hood switch
ON
Item No.
Item name
Normal
condition
Item 256
Dr door ajar switch
Close
Item 257
As door ajar switch
Close
Item 258
RR door ajar switch
Close
Item 259
RL door ajar switch
Close
Item 260
Trunk/gate trunk ajar
switch
Close
Item 266
Hood switch
OFF
THEFT ALARM
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CHASSIS ELECTRICAL
54A-855
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 5.
NO <Normal condition is not displayed for item No.
256.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 5 "ETACS-ECU does not receive any
signal from the front door switch (LH)"
NO <Normal condition is not displayed for item No.
257.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 6 "ETACS-ECU does not receive any
signal from the front door switch (RH)"
NO <Normal condition is not displayed for item No.
258.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 7 "ETACS-ECU does not receive any
signal from the rear door switch (LH)"
.
NO <Normal condition is not displayed for item No.
259.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 8 "ETACS-ECU does not receive any
signal from the rear door switch (RH)"
NO <Normal condition is not displayed for item No.
260.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 9 "ETACS-ECU does not receive any
signal from liftgate latch switch"
NO <Normal condition is not displayed for item No.
264.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 3 "ETACS-ECU does not receive any
signal from key reminder switch"
NO <Normal condition is not displayed for item No.
266.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 10 "ETACS-ECU does not receive any
signal from the Hood latch switch"
NO <Normal condition is not displayed for item No.
288.> : Troubleshoot the ETACS-ECU. Refer to GROUP
54A, Diagnosis - Inspection Procedure 1
"ETACS-ECU does not receive any signal from the
ignition switch (ACC) signal"
.
STEP 5. 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 6.
NO : Repair the damaged parts.
THEFT ALARM
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CHASSIS ELECTRICAL
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STEP 6. Check the theft-alarm indicator.
Q: Is the theft-alarm indicator in good condition?
YES : Go to Step 7.
NO : Replace the center panel unit.
STEP 7. 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 8.
NO : Repair the damaged parts.
STEP 8. Measure the voltage at ETACS-ECU connector
C-307.
(1) Disconnect ETACS-ECU connector C-307, and measure
the voltage wiring 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 10.
NO : Go to Step 9.
STEP 9. 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 and short cir-
cuit.
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
NO : Repair the wiring harness between ETACS-ECU
connector C-307 and fusible link (36).
AC703574 AB
Center panel
AC702831AO
Connector C-307
(Harness side)
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