Mitsubishi Outlander XL. Manual — part 1002
ZC6008760030
Connector: C-110
ZC6008750000
Connector: C-125
C-125 (B)
ZC6008750032
Connector: C-33, C-34
C-33
C-34 (BR)
ZC6008780028
Connector: C-317, C-309
C-317
C-309 (B)
TECHNICAL DESCRIPTION (COMMENT)
If neither normal nor abnormal DTC is set, the headlight
automatic leveling-ECU, the headlight automatic leveling-ECU
power supply, wiring harness or connectors of ground, or wiring
harness and connectors between the headlight automatic
leveling-ECU and date link connector may have a problem.
LIGHTING
54Ac-81
DIAGNOSIS
TROUBLESHOOTING HINTS
⦆
Malfunction of the headlight automatic leveling-ECU
⦆
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
STEP 1. Check headlight automatic leveling-ECU connector
C-110 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q:Is headlight automatic leveling-ECU connector C-110 in
good condition?
YES:
Go to Step 2.
NO:
Repair the damaged parts.
STEP 2. Resistance measurement at headlight automatic
leveling-ECU connector C-110.
(1)
Disconnect the connector, and measure the resistance at the
wiring harness-side connector.
ZC5015310007
Connector C-110
(Harness side)
(2)
Measure the resistance between headlight automatic
leveling-ECU connector C-110 (terminal No. 14) and body
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 4.
NO:
Go to Step 3.
STEP 3. Check the wiring harness between headlight
automatic leveling-ECU connector C-110 (terminal No. 14)
and body ground.
Q:Is the wiring harness between headlight automatic
leveling-ECU connector C-110 (terminal No. 14) and body
ground. in good condition?
YES:
Go to Step 4.
NO:
Repair the wiring harness.
STEP 4. Voltage measurement at the C-110 headlight
automatic leveling-ECU connector.
(1)
Disconnect the connector, and measure at the wiring
harness-side connector.
(2)
Turn the ignition switch to the "ON" position.
54Ac-82
LIGHTING
DIAGNOSIS
ZC5015300001
Connector C-110
(Harness side)
(3)
Voltage between headlight automatic leveling-ECU
connector (terminal No. 1) and body ground
The voltage should measure approximately 12 volts
(battery positive voltage).
Q:Does the voltage measure battery voltage?
YES:
Go to Step 6.
NO:
Go to Step 5.
STEP 5. Check the wiring harness between headlight
automatic leveling-ECU connector C-110 (terminal No. 1)
and fusible link (34).
NOTE:
Before the wiring harness check, check the ETACS-ECU
connectors C-309 and C-317, and the intermittent connector
C-33. Then, repair them if necessary.
Q:Is the wiring harness between headlight automatic
leveling-ECU connector C-110 (terminal No. 1) and the
fusible link (34) in good condition?
YES:
Go to Step 6.
NO:
Repair the wiring harness.
STEP 6. Check data link connector C-125 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q:Is data link connector C-125 in good condition?
YES:
Go to Step 7.
NO:
Repair the damaged parts.
STEP 7. Check the wiring harness between headlight
automatic leveling-ECU connector C-110 (terminal No. 5/7)
and data link connector C-125 (terminal No. 1/10).
NOTE:
Before the wiring harness check, check the
intermittent connector C-33 and C-34. Then, repair them if
necessary.
Q:Is the wiring harness between headlight automatic
leveling-ECU connector C-110 (terminal No. 5/7) and data
link connector C-125 (terminal No. 1/10) in good
condition?
YES:
Go to Step 8.
NO:
Repair the wiring harness.
STEP 8. Retest the system.
Check if DTC is set.
Q:Is the DTC set?
YES:
Refer to diagnostic trouble code chart P.54Ac-59.
NO:
Replace the headlight automatic leveling-ECU.
LIGHTING
54Ac-83
DIAGNOSIS
Inspection Procedure 2: Neither right nor left automatic leveling operates.
M15410900108USA0000010002
Before replacing the ECU, ensure that the power supply
circuit, the ground circuit and the communication circuit are
normal.
Headlight Relay (LOW) Signal and Combination Meter Signal Circuit
HEADLIGHT AUTOMATIC
LEVELING-ECU
HEADLIGHT
RELAY (LOW)
RELAY BOX
(ENGINE COMPARTMENT)
FIELD EFFECT
TRANSISTOR
COMBINATION METER
ZC6008760030
Connector: C-110
54Ac-84
LIGHTING
DIAGNOSIS
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