Mitsubishi Outlander XL. Manual — part 1005
Headlight Automatic Leveling Warning Display Circuit
INPUT SIGNAL
TRANSMISSION
CONTROL MODULE
INTERFACE
CIRCUIT
INTERFACE
CIRCUIT
CPU
LCD
COMBINATION
METER
HEADLIGHT AUTOMATIC
LEVELING-ECU
OUTPUT SHAFT
SPEED SENSOR
(HEADLIGHT LEVELING)
ZC6008750015
Connector: C-03
LIGHTING
54Ac-93
DIAGNOSIS
ZC6008760030
Connector: C-110
ZC6008750023
Connector: C-34
C-34 (BR)
OPERATION
When the height sensor or headlight leveling unit is abnormal,
the headlight automatic leveling warning is displayed.
COMMENTS ON TROUBLE SYMPTOM
If the headlight automatic leveling warning is not displayed, the
combination meter, headlight automatic leveling-ECU, or the
harness and connector(s) between the two may have a problem.
TECHNICAL DESCRIPTION (COMMENT)
⦆
Malfunction of the headlight automatic leveling-ECU
⦆
Malfunction of combination meter
⦆
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)
STEP 1. Check of automatic leveling.
Check that the automatic leveling operates normally.
Q:Is the check result normal?
54Ac-94
LIGHTING
DIAGNOSIS
YES:
Go to Step 2.
NO:
Refer to Inspection Procedure 2 "Neither right nor
left automatic leveling operates." P.54Ac-84.
STEP 2. Using scan tool MB991958, check other system
actuator test.
Perform the actuator test for the combination meter, and check
that the headlight automatic leveling warning is displayed .
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-58."
(2)
Connect scan tool MB991958 to the data link connector.
(3)
Turn the ignition switch to the "ON" position.
(4)
Set scan tool MB991958 to the actuator test mode.
⦆
Item 8: Indicator2
(5)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the check result normal?
YES:
Go to Step 3.
NO:
Replace the combination meter.
STEP 3. Check combination meter connector C-03,
headlight automatic leveling-ECU connector C-110 for
loose, corroded or damaged terminals, or terminals pushed
back in the connector.
Q:Is combination meter connector C-03, headlight
automatic leveling-ECU connector C-110 in good
condition?
YES:
Go to Step 4.
NO:
Repair the damaged parts.
STEP 4. Check wiring harness between combination meter
connector C-03 (terminal No. 6/20) and the headlight
automatic leveling-ECU connector C-110 (terminal No. 8/9).
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-34, and repair if necessary.
Q:Are the wiring harness between combination meter
connector C-03 (terminal No. 6/20) and the headlight
automatic leveling-ECU connector C-110 (terminal No.
8/9) in good condition?
YES:
Go to Step 5.
NO:
Repair the wiring harness.
STEP 5. Retest the system
Check that the headlight automatic leveling warning display is
illuminated under the illumination conditions.
LIGHTING
54Ac-95
DIAGNOSIS
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 headlight automatic leveling-ECU.
Inspection Procedure 5: The headlight automatic leveling warning light does not go off.
M15410900111USA0000010000
Before replacing the ECU, ensure that the power supply
circuit, the ground circuit and the communication circuit are
normal.
TECHNICAL DESCRIPTION (COMMENT)
If the headlight automatic leveling warning display does not go
off, DTC may be set, or the automatic leveling ECU or the
combination meter may have a problem.
TROUBLESHOOTING HINTS
⦆
Diagnostic trouble code setting is under way.
⦆
Malfunction of the headlight automatic leveling-ECU
⦆
Malfunction of combination meter
⦆
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-96
LIGHTING
DIAGNOSIS
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