Mitsubishi Lancer (4A9 engine). Manual - part 120

HEADLAMP

CHASSIS ELECTRICAL

54A-142

4. Perform the headlamp aiming adjustment and 

light intensity measurement.

REPAIR BRACKET PART NUMBER

Part name

Part number

Headlamp (LH) bracket kit

8301B173

Headlamp (RH) bracket kit

8301B174

HEADLAMP AUTOMATIC LEVELLING SYSTEM

CHASSIS ELECTRICAL

54A-143

HEADLAMP AUTOMATIC LEVELLING SYSTEM

SPECIAL TOOLS

M1540300200147

HEADLAMP AUTOMATIC LEVELLING SYSTEM

CHASSIS ELECTRICAL

54A-144

Tool

Number

Name

Use

MB991955

a. MB991824
b. MB991827
c. MB991910
d. MB991911
e. MB991825
f. MB991826

M.U.T.-III sub-
assembly

a. Vehicle 

Communication 
Interface (V.C.I.)

b. M.U.T.-III USB 

cable

c. M.U.T.-III main 

harness A 
(Vehicles with CAN 
communication 
system)

d. M.U.T.-III main 

harness B 
(Vehicles without 
CAN 
communication 
system)

e. M.U.T.-III measure 

adapter

f. M.U.T.-III trigger 

harness

CAUTION

For vehicles with CAN 
communication, use M.U.T.-III 
main harness A to send 
simulated vehicle speed. If you 
connect M.U.T.-III main harness 
B instead, the CAN 
communication does not 
function correctly.
Diagnosis code check.

MB991223

a. MB991219
b. MB991220
c. MB991221
d. MB991222

Harness set

a. Check harness
b. LED harness
c. LED harness 

adapter

d. Probe

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

MB991910

MB991826

MB991955

MB991911

MB991824

MB991827

MB991825

a

b

c

d

e

f

DO NOT USE

MB991223

a

d

c

b

DO NOT USE

BA

HEADLAMP AUTOMATIC LEVELLING SYSTEM

CHASSIS ELECTRICAL

54A-145

TROUBLESHOOTING

STANDARD FLOW OF DIAGNOSTIC 
TROUBLESHOOTING

M1540302800101

Refer to GROUP 00 

− Contents of Troubleshooting .

DIAGNOSIS FUNCTION

M1540300400282

HOW TO READ DIAGNOSIS CODE

Refer to GROUP 00 

− Diagnosis function .

HOW TO ERASE DIAGNOSIS CODE

Refer to GROUP 00 

− Diagnosis function .

DIAGNOSIS CODE CHART

M1540300500386

CAUTION

• On troubleshooting, if the ignition switch is turned ON while disconnecting connector(s), diagno-

sis code(s) associated with other system may be set. On completion, confirm all systems for diag-
nosis code(s). If diagnosis code(s) are set, erase them all.

• Before or after the troubleshooting, check the operation of the headlamp automatic levelling sys-

tem. Refer to .

MB992006

Extra fine probe

Continuity check and voltage 
measurement at harness wire or 
connector

MB991529

Diagnosis code check 
harness

Levelling motor drive test

MB991658

Test harness

Height sensor check

Tool

Number

Name

Use

MB992006

MB991529

MB991658

Diagnosis 
code No.

Diagnostic item

Reference page

B2510

Auto levelling initialization not completed

B2511

ECU internal error (ROM)

B2512

ECU internal error (EEPROM)

B2513

Levelling actuator output error

B2514

Height sensor power supply error

B2516

Rear height sensor signal error

U0001

Bus-off (CAN-C)

U0100

Engine CAN time-out

U0121

ASC/ABS CAN time-out