Mitsubishi Outlander XL. Manual — part 1021
STEP 1. Check electric foot light connector D-102 (RH),
D-120 (LH) for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q:Is the check result normal?
YES:
Go to Step 2.
NO:
Repair the defective connector.
STEP 2. Measure the voltage at foot light connector D-102
(RH), D-120 (LH).
(1)
Disconnect the connector, and measure at the wiring harness
side.
ZC5015300000
Harness side: D-102, D-120
(2)
Measure the voltage between the D-102 (RH), D-120 (LH)
electric folding second seat connector (terminal No. 1) and
the ground.
The voltage should measure approximately 12 volts
(battery positive voltage).
Q:Does the voltage measure battery voltage?
YES:
Go to Step 4.
NO:
Go to Step 3.
STEP 3. Check the wiring harness between foot light
connector D-102 (RH), D-120 (LH) (terminal No. 1) and the
fusible link (34).
NOTE:
Before the wiring harness check, check the relay box
connector C-308, and the intermediate connector C-35, C-32
and then repair them if necessary.
Q:Is wiring harness between foot light connector D-102
(RH), D-120 (LH) (terminal No. 1) and the fusible link (34)
in good condition?
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.
STEP 4. Measure the resistance at foot light connector
D-102 (RH), D-120 (LH).
(1)
Disconnect the connector, and measure at the wiring harness
side.
ZC5015310006
Harness side: D-102, D-120
(2)
Measure the resistance between the resistance at foot light
connector D-102 (RH), D-120 (LH) (terminal No. 5) and
ground.
The measured value should be continuity exists (2
Ω or less).
Q:Does the measured resistance value correspond with this
range?
YES:
Go to Step 6.
NO:
Go to Step 5.
LIGHTING
54Ac-157
DIAGNOSIS
STEP 5. Check the wiring harness between foot light
connector D-102 (RH), D-120 (LH) (terminal No. 5) and
ground.
Q:Is wiring harness between foot light connector D-102
(RH), D-120 (LH) (terminal No. 5) and ground in good
condition?
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.
STEP 6. Retest the system.
Check that the foot light illuminates normally.
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:
Replace the under cover rear.
Inspection Procedure 5: The interior light auto-cut function does not operate correctly.
M15410900128USA0000010000
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU operates the interior light auto-cut
function in accordance with the input signals below.
⦆
Ignition switch (ACC)
⦆
Ignition switch (IG1)
⦆
Door switches
If this function does not work normally, these input
signal circuit(s) or the ETACS-ECU may have a
problem. Also, "Interior light auto cut timer" may be set
to "0min" through customization.
TROUBLESHOOTING HINTS
⦆
Malfunction of door switch
⦆
Malfunction of the dome light
⦆
Malfunction of the ETACS-ECU
⦆
The wiring harness or connectors may have loose,
corroded, or damaged terminals, or terminals
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)
54Ac-158
LIGHTING
DIAGNOSIS
STEP 1. Using scan tool MB991958, Check the configuration
function.
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 scan
tool (M.U.T.-III) P.54Ac-139."
(2)
Turn the ignition switch to the "ON" position.
(3)
Use the ETACS-ECU customize function to check to see
which of the followings other than "0min" the "Interior light
auto cut timer" is set.
(4)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the check result normal?
YES:
Go to Step 2.
NO:
Use the ETACS-ECU configuration function to set the
"Interior light auto cut timer" to other than
"0min" (Refer to P.54Ac-190).
STEP 2. Using scan tool MB991958, read the ETACS-ECU
diagnostic trouble code.
Check if DTC is set to the ETACS-ECU.
(1)
Turn the ignition switch to the "ON" position.
(2)
Check whether the ETACS-ECU DTC is set.
(3)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the DTC set?
YES:
Diagnose the ETACS-ECU (Refer to GROUP 54Ad -
NO:
Go to Step 3.
STEP 3. Using scan tool MB991958, check data list.
Use the ETACS-ECU data list to check the signals related to the
interior light auto-cut function.
⦆
Turn the ignition switch to the "ACC" position.
⦆
Turn the ignition switch to the "LOCK" (OFF) position.
⦆
Open each door.
Item No.
Item name
Normal
condition
s
Item 254
IG voltage
Battery
voltage
Item 288
ACC switch
OFF
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
LIGHTING
54Ac-159
DIAGNOSIS
Q:Does scan tool MB991958 display the items "IG voltage",
"ACC switch", "As door ajar switch", "RR door ajar
switch", and "RL door ajar 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.
254.>:
Troubleshoot the ETACS-ECU.Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 4 "ETACS-ECU does not
receive any signal from the ignition switch (IG1)" P.
54Ad-62.
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)" P.
54Ad-61.
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.
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.
STEP 4. Retest the system.
Check that the interior light automatic shutdown function works
normally.
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:
Replace the ETACS-ECU.
54Ac-160
LIGHTING
DIAGNOSIS
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