Mitsubishi Outlander XL. Manual — part 1074
TROUBLESHOOTING HINTS
⦆
The key reminder switch may be defective
⦆
The driver's door switch may be defective
⦆
The ignition key cylinder illumination light bulb may
be defective
⦆
The ETACS-ECU may be defective
⦆
The wiring harness or connectors may have loose,
corroded, or damaged terminals, or terminals
pushed back in the connector
DIAGNOSIS
Required Special Tools:
⦆
MB992006: Extra fine probe
⦆
MB991223: Harness set
⦆
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.
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
too (M.U.T.-III) P.54Af-4."
(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 GROUP 54Ad,
NO:
Go to Step 2.
STEP 2. Using scan tool MB991958, check data list.
Use the ETACS-ECU data list to check the signals related to the
ignition key cylinder illumination light function.
⦆
Turn the ignition switch to the "LOCK" (OFF) position.
⦆
Remove the ignition key from the ignition key cylinder.
⦆
Open the driver's door.
Item No.
Item name
Normal
conditions
Item 228
Dr door unlock
ON
Item 254
Dr door ajar switch
0 V
Item 256
Dr door ajar switch
ON
IGNITION SWITCH
54Ag-7
SYMPTOM PROCEDURES
Item No.
Item name
Normal
conditions
Item 264
Handle lock switch
Key in → Key
out
Q:Does scan tool MB991958 display the items "Dr door
unlock", "Dr door ajar switch", and "Handle lock switch"
as normal condition?
YES<Normal conditions are displayed for all the
items.>:
Go to Step 3.
NO<Normal condition is not displayed for item No.
228.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 4 "ETACS-ECU does not
receive any signal from the front door lock actuator" P.
54Ad-67.
NO<Normal condition is not displayed for item No.
254.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 2 "ETACS-ECU does not
receive any signal from the ignition switch (IG1)" P.
54Ad-62.
NO<Normal condition is not displayed for item No.
256.>:
Troubleshoot the ETACS-ECU. Refer to GROUP 54Ad,
Diagnosis - Inspection Procedure 6 "ETACS-ECU does not
receive any signal from the front the front door switch
(RH)" P.54Ad-75.
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.
STEP 3. Check key reminder switch connector C-211,
ETACS-ECU connector C-315 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q:Is key reminder switch connector C-211, ETACS-ECU
connector C-315 in good condition?
YES:
Go to Step 4.
NO:
Repair the damaged parts.
STEP 4.Check the Wiring harness between key reminder
switch connector C-211 (terminal No. 3,5) and ETACS-ECU
connector C-315 (terminal No. 13,18).
⦆
Check the input/output line for open circuit.
Q:Is the check result normal?
YES:
Go to Step 5.
NO:
Repair the wiring harness between key reminder switch
connector C-211 and ETACS-ECU connector C-315.
STEP 5. Check of ignition key cylinder illumination light
bulb.
Q:Is the ignition key cylinder illumination light bulb in good
condition?
54Ag-8
IGNITION SWITCH
SYMPTOM PROCEDURES
YES:
Go to Step 6.
NO:
Replace the bulb of the ignition key cylinder
illumination light.
STEP 6. Retest the system.
Q:Does the ignition key cylinder illumination light
illuminate/extinguish 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:
Replace the ETACS-ECU.
Ignition key cylinder illumination light does not illuminate/extinguish normally.
<vehicles with KOS>
M15410000019USA0000010000
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
Ignition Key Cylinder Illumination Light Circuit
KEY
REMINDER
SWITCH
WHEN
REMOVING
KEY: ON
IGNITION KEY
CYLINDER
ILLUMINATION
LIGHT
ETACS-ECU
IGNITION SWITCH
54Ag-9
SYMPTOM PROCEDURES
ZC6008770002
Connector: C-211
ZC6008780008
Connector: C-315
OPERATION
The ETACS-ECU operates this function in
accordance with the input signals below.
⦆
Ignition switch (IG1)
⦆
Key reminder switch
⦆
Steering lock (CAN information)
⦆
Driver's door switch
TECHNICAL DESCRIPTION (COMMENT)
If this function does not work normally, these input
signal circuit(s), the ignition key cylinder illumination
light or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
⦆
CAN bus line may be defective
⦆
The key reminder switch may be defective
⦆
The driver's door switch may be defective
⦆
The ignition key cylinder illumination light bulb may
be defective
⦆
The ETACS-ECU may be defective
⦆
The wiring harness or connectors may have loose,
corroded, or damaged terminals, or terminals
pushed back in the connector
DIAGNOSIS
Required Special Tools:
⦆
MB992006: Extra fine probe
⦆
MB991223: Harness set
⦆
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)
54Ag-10
IGNITION SWITCH
SYMPTOM PROCEDURES
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