Mitsubishi Evolution X. Manual — part 936
HEADLIGHT
TSB Revision
CHASSIS ELECTRICAL
54A-105
DIAGNOSIS
STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING
M1540104200167
Refer to GROUP 00, How to use Troubleshooting/inspection
Service Points, Troubleshooting Contents
DIAGNOSTIC FUNCTION
M1540104300090
HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
.
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)
.
MB991223
a. MB991219
b. MB991220
c. MB991221
d. MB991222
Harness set
a. Check harness
b. LED harness
c. LED harness
adapter
d. Probe
General service
tool (jumper)
Continuity check and voltage
measurement at harness wire or
connector
a. For checking connector pin
contact pressure
b. For checking power supply
circuit
c. For checking power supply
circuit
d. For connecting a locally sourced
tester
MB992006
Extra fine probe
−
Continuity check and voltage
measurement at harness wire or
connector
Tool
Tool number and
name
Supersession
Application
MB991223
a
d
c
b
DO NOT USE
BA
MB992006
HEADLIGHT
TSB Revision
CHASSIS ELECTRICAL
54A-106
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF)
position.
2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824
and the personal computer.
4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"
position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in a green
color.
7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the
connecting sequence, making sure that the ignition switch is at
the "LOCK" (OFF) position.
HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES
.
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)
.
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
NOTE: If the battery voltage is low, diagnostic trouble codes will
not be set. Check the battery if scan tool MB991958 does not
display.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "System select" from the start-up screen.
4. Select "From 2006 MY" of "Model Year." When the "Vehicle
Information" is displayed, check the contents.
5. Select "ETACS" from "System List", and press the "OK"
button.
NOTE: When the "Loading Option Setup" list is displayed,
check the applicable item.
6. Select "Diagnostic Trouble Code."
7. If a DTC is set, it is shown.
8. Choose "Erase DTCs" to erase the DTC.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
HEADLIGHT
TSB Revision
CHASSIS ELECTRICAL
54A-107
DIAGNOSTIC TROUBLE CODE CHART
M1540101400269
CAUTION
On troubleshooting, if the ignition switch is turned ON while disconnecting connector(s), diagnostic
trouble code(s) associated with other system may be set. On completion, confirm all systems for
diagnostic trouble code(s). If diagnostic trouble code(s) are set, erase them all.
ETACS-ECU
LIN
DIAGNOSTIC TROUBLE CODE PROCEDURES
DTC B16A2: Blown turn-signal light (LH) bulb
Diagnostic trouble code No. Diagnostic item
Reference page
B16A2
Blown turn-signal light (LH) bulb
B16A3
Turn-signal light (LH) short circuit
B16A4
Blown turn-signal light (RH) bulb
B16A5
Turn-signal light (RH) short circuit
Diagnostic trouble code No. Diagnostic item
Reference page
L0432
RLS RS adaptation error
L0434
RLS rain sensor error
L0436
RLS light sensor error
Turn-Signal Lights (LH) Circuit
ETACS-
ECU
REAR
COMBINATION
LIGHT
(TURN: LH)
SIDE TURN-
SIGNAL LIGHT
(LH)
HEADLIGHT
ASSEMBLY
(TURN: LH)
HEADLIGHT
TSB Revision
CHASSIS ELECTRICAL
54A-108
.
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
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.
AC708949AG
Connectors: A-12, A-40
A-12 (B)
A-40 (B)
AC708972
Connectors: C-304, C-311
AW
C-311
C-304
AC708955AL
Connector: D-17
D-17 (BR)
AC708970AH
Connector: F-25
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