Mitsubishi Lancer (4A9 engine). Manual — part 206

HANDS FREE ECU

CHASSIS ELECTRICAL

54A-486

ERASE THE PASSWORD

M1544403800341

The 4-digit password set by security function can be
erased by the diagnosis mode. Perform the
"UNLOCK" operation of the diagnosis mode. (Refer
to <Vehicles with radio and CD player>, <Vehicles
with MMCS>.)

HANDS FREE ECU REMOVAL AND INSTALLATION

M1544405400101

MICROPHONE UNIT REMOVAL AND INSTALLATION

M1546023300175

Pre-removal operation
• Removal of glove box cover (Refer to GROUP 52A −

glove box )

Post-installation operation
• Installation of glove box cover (Refer to GROUP 52A −

glove box )

ACA00184

1

2

AB

Removal Steps

1.

USB cable

2.

Hands free ECU

Pre-removal operation
• Removal of front room lamp (Refer to )

Post-installation operation
• Installation of front room lamp (Refer to )

AC606269

ZC6027270000

1

AD

HANDS FREE ECU

CHASSIS ELECTRICAL

54A-487

INSTALLATION SERVICE POINT

>>A<< MICROPHONE UNIT INSTALLATION

Install the microphone unit so that the arrow face
toward the driver's seat.

STEERING WHEEL VOICE CONTROL SWITCH REMOVAL AND INSTALLATION

M1546024200320

USB ADAPTER REMOVAL AND
INSTALLATION

M1549100800197

For the removal and installation of the USB adapter,
refer to .

Removal steps

>>A<<

1.

Microphone unit

AC904158

Arrow

AB

AC802108

1

2.5 ± 0.5 N·m

2

AB

Removal Steps

1.

Steering wheel voice control switch
cover

2.

Steering wheel voice control switch

HANDS FREE ECU

CHASSIS ELECTRICAL

54A-488

INSPECTION

STEERING WHEEL VOICE-CONTROL
SWITCH CONTINUITY CHECK

M1544401100421

Use an ohmmeter to measure the resistance value
between the terminal.

ILLUMINATION CHECK

Apply the battery voltage of steering wheel voice
control switch connector terminal No. 4 and 1, and
check if the steering wheel audio remote control
switch illuminates.
NOTE: Make sure that the polarity is correct.

USB ADAPTER INSPECTION

M1549101100113

1. Remove the USB adapter. (Refer to )

2. Check that the continuity exists between the front

side terminals of USB adapter and rear side ter-
minals of USB adapter.

AC606271

“Speech" switch

“Pick-up" switch

“Hang-up" switch

AB

AC606272

ZC6016190000

Switch position

Tester
connection

Measurement
value

No push

2

− 3

Approximately
74 k

Ω

"Speech" switch

Approximately
1.5 k

Ω

"Pick-up" switch

Approximately
3.3 k

Ω

"Hang-up" switch

Approximately
6.0 k

Ω

AC606272

ZC6016190000

AB

HANDS FREE ECU

CHASSIS ELECTRICAL

54A-489

AC900440

AB

Front side

Rear side

1

2

3

4

4

3

2

1

Front side
terminal

Rear side
terminal

Measurement
value

1

1

Continuity
exists (2

Ω or

less)

2

2

3

3

4

4