Mitsubishi Outlander GS45X. Manual — part 73
DOME LIGHT
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CHASSIS ELECTRICAL
54A-289
STEP 3. Using scan tool MB991958, check data list.
Use the ETACS-ECU data list to check the signals related to
the rear dome light.
• Turn the ignition switch to the "LOCK" (OFF) position.
• Remove the ignition key from the ignition key cylinder.
• Open each door.
• Open the liftgate.
Q: Does scan tool MB991958 display the items "Dr door
unlock", "IG voltage", "Dr door ajar switch", "As door
ajar switch", "RR door ajar switch", "RL door ajar
switch", "Trunk/gate trunk ajar switch" and "Handle
lock switch" as normal condition?
YES <Normal conditions are displayed for all items.> :
Go to Step 4.
NO <Normal condition is not displayed for item No.
228.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 4 "ETACS-ECU does not receive any
signal from the front door lock actuator"
NO <Normal condition is not displayed for item No.
254.> : Troubleshoot the ETACS-ECU. Refer to Inspection
Procedure 2 "ETACS-ECU does not receive any
signal from the ignition switch (IG1)"
.
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
Item No.
Item name
Normal
conditions
Item 228
Dr door unlock
ON
Item 254
IG voltage
1 V or less
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
→ Key
out
DOME LIGHT
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CHASSIS ELECTRICAL
54A-290
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 the liftgate 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 the key reminder switch"
STEP 4. Check rear dome light connector D-10 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is rear dome light connector D-10 in good condition?
YES : Go to Step 5.
NO : Repair the damaged parts.
STEP 5. Rear dome light bulb check
Check that the rear dome light bulb is normal.
Q: Does rear dome light work normally?
YES : Go to Step 6.
NO : Replace the rear dome light bulb.
STEP 6. Check ETACS-ECU connector C-316 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connectors C-316 in good condition?
YES : Go to Step 7.
NO : Repair the damaged parts.
STEP 7. Check the wiring harness between rear dome light
D-10 connector terminal (No. 1/2) and ETACS-ECU
connector C-316 (terminal No. 6/5)
Check the communication line for open or short circuit.
Q: Is wiring harness between rear dome light connector
D-10 (terminal No. 1/2) and ETACS-ECU connector C-316
(terminal No. 6/5) in good condition?
YES : Go to Step 8.
NO : Repair the wiring harness.
STEP 8. Retest the system
Check that the rear dome light illuminates/extinguishes nor-
mally.
Q: Does rear dome light 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
NO : Replace the ETACS-ECU.
DOME LIGHT
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CHASSIS ELECTRICAL
54A-291
Inspection Procedure 3: The luggage compartment light does not illuminate normally.
.
TROUBLE JUDGMENT
The ETACS-ECU illuminates and extinguishes the
luggage compartment light in accordance with the
input signals below.
• Ignition switch (IG1)
• Key reminder switch
• Door switches
• Liftgate latch switch
• Front door lock actuator
.
TECHNICAL DESCRIPTION (COMMENT)
If this does not work normally, the above switch input
circuit(s), luggage compartment light, or
ETACS-ECU may have a problem.
.
AC703381
Luggage Compartment Light Circuit
ETACS-ECU
LUGGAGE
COMPARTMENT
LIGHT
AB
ACA02655 AC
Connector: C-311
AC702817AF
Connector: D-12
AC702963 AC
Connector: F-02
F-02 (GR)
DOME LIGHT
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CHASSIS ELECTRICAL
54A-292
TROUBLESHOOTING HINTS
• Malfunction of the key reminder switch
• Malfunction of door switch
• Malfunction of liftgate latch switch
• Malfunction of the front door lock actuator
• Malfunction of luggage compartment light
• Malfunction of the ETACS-ECU
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
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)
STEP 1. Using scan tool MB991958, read the diagnostic
trouble code.
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958. Refer to "How to connect
scan too (M.U.T.-III)
."
(2) Turn the ignition switch to the "ON" position.
(3) Check whether the ETACS-ECU related DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?
YES : Diagnose the ETACS-ECU. Refer to
.
NO : Go to Step 2.
ZC501967
AC404789
AC702802
MB991824
MB991827
MB991910
Data link
connector
AB
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