Mitsubishi Outlander GS45X. Manual — part 33
HEADLIGHT
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CHASSIS ELECTRICAL
54A-129
.
TROUBLE JUDGMENT
When the left bulb of turn-signal light is blown, the
ETACS-ECU sets DTC B16A2.
.
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU sets DTC B16A2 under the follow-
ing conditions.
• If there is a malfunction to the left turn-signal light
bulb, the blown left bulb counter counts once
when the illumination of hazard or turn-signal
light (left side) is attempted.
• After the bulb counter reaches "3," DTC B16A2 is
set.
.
TROUBLESHOOTING HINTS
• Malfunction of turn-signal light bulb (left)
• 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
ACA02655AV
Connectors: C-304, C-311, C-317
C-304
C-311
C-317
AC709496
AB
Connector: D-14
AC703415AE
Connector: E-29
HEADLIGHT
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CHASSIS ELECTRICAL
54A-130
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. Bulb check.
Check whether the left turn-signal light illuminates normally.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Replace the bulb of turn-signal light which does not
illuminate.
STEP 2. Check headlight assembly (LH) connector A-37,
side turn-signal light (LH) connector A-10 <fender type>,
door mirror assembly (LH) connector E-29 <door mirror
type>, rear combination light (LH) connector D-14 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are headlight assembly (LH) connector A-37, side
turn-signal light (LH) connector A-10 <fender type>,
door mirror assembly (LH) connector E-29 <door mirror
type>, rear combination light (LH) connector D-14 in
good condition?
YES : Go to Step 3.
NO : Repair the damaged parts.
HEADLIGHT
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CHASSIS ELECTRICAL
54A-131
STEP 3. Resistance measurement at headlight assembly
(LH) connector A-37, side turn-signal light (LH) connector
A-10 <fender type>, door mirror assembly (LH) connector
E-29 <door mirror type>, rear combination light (LH)
connector D-14.
(1) Disconnect the connector, and measure at the wiring
harness side.
(2) Measure the resistance between the connector terminal of
light which does not illuminate and ground.
•
Measure the resistance between the headlight assem-
bly (LH) connector A-37 (terminal No. 6) and body
ground.
•
Measure the resistance between side turn-signal light
(LH) connector A-10 (terminal No. 1) and body ground.
<fender type>
•
Measure the resistance between door mirror assembly
(LH) connector E-29 (terminal No. 10) and body ground.
<door mirror type>
•
Measure the resistance between rear combination light
(LH) connector D-14 (terminal No. 4) and body ground.
The measured value should be 2
Ω or less.
Q: Does the measured resistance value correspond with
this range?
YES : Go to Step 5.
NO : Go to Step 4.
AC702818
Connector A-37
(Harness side)
AE
AC702818
Connector A-10
(Harness side)
AF
AC702818
Connector E-29
(Harness side)
DT
AC702818
Connector D-14
(Harness side)
AG
HEADLIGHT
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CHASSIS ELECTRICAL
54A-132
STEP 4. Check the wiring harness between headlight
assembly (LH) connector A-37 (terminal No. 6), side
turn-signal light (LH) connector A-10 (terminal No. 1)
<fender type>, door mirror assembly (LH) connector E-29
(terminal No. 10) <door mirror type>, rear combination
light (LH) connector D-14 (terminal No. 4) and ground.
Check the ground wires for open circuit.
NOTE: Also check intermediate connector C-126 <door mirror
type> for loose, corroded, or damaged terminals, or terminals
pushed back in the connector. If intermediate connector C-126
<door mirror type> is damaged, repair or replace the connector
as described in GROUP 00E, Harness Connector Inspection
Q: Are the wiring harness between headlight assembly
(LH) connector A-37 (terminal No. 6), side turn-signal
light (LH) connector A-10 (terminal No. 1) <fender type>,
door mirror assembly (LH) connector E-29 (terminal No.
10) <door mirror type>, rear combination light (LH)
connector D-14 (terminal No. 4) and ground in good
condition?
YES : Go to Step 7.
NO : Repair the wiring harness.
STEP 5. Check ETACS-ECU connectors C-304, C-311 and
C-317 <door mirror type> for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Are ETACS-ECU connectors C-304, C-311 and C-317 in
good condition?
YES : Go to Step 6.
NO : Repair the damaged parts.
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