Mitsubishi Galant (2004+). Manual — part 1452

IGNITION SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-51

REMOVAL SERVICE POINTS

.

<<A>> STEERING COLUMN COVER REMOVAL
1. Rotate the steering wheel with a slightly from side-to-side to

access and remove the mounting screws.

.

<<B>> STEERING LOCK CYLINDER REMOVAL
1. Insert the key in the steering lock cylinder and turn it to the

"ACC" position.

2. Using a small Phillips head screwdriver, pull the steering

lock cylinder toward you.

<<B>>

6.

STEERING LOCK CYLINDER

7.

KEY REMINDER SWITCH
IMMOBILIZER-ECU REMOVAL
STEPS

•

HOOD LOCK RELEASE HANDLE
(REFER TO GROUP 42, HOOD

P.42-8

.)

•

INSTRUMEN LOWER PANEL
(REFER TO GROUP 52A,
INSTRUMENT PANEL ASSEMBLY

P.52A-3

.)

8.

IMMOBILIZER-ECU

IGNITION SWITCH REMOVAL
STEPS (Continued)

AC307459 AB

AC306943

AB

LOCK PIN

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

TSB Revision

CHASSIS ELECTRICAL

54A-52

INSPECTION

M1543019502463

IGNITION SWITCH CONTINUITY CHECK

Disconnect ignition switch connector C-308 without removing
the ignition switch and steering lock cylinder. Then check the
continuity.

KEY REMINDER SWITCH CHECK

1. Disconnect key reminder switch connector C-310 without

removing the key reminder switch and steering lock cylinder.

2. Check for continuity between terminal 4 and terminal 6.

COMBINATION METER ASSEMBLY AND VEHICLE SPEED

SENSOR

GENERAL DESCRIPTION

M1543000100342

Some of the combination meter indications are
based on information from ECUs via CAN bus com-
munication. If there is any failure in the meters con-
nected via the CAN bus communication, diagnose
the CAN bus communication system. The following
instruments, indicator lights and warning lights in the
combination meter are controlled by ECUs via CAN
bus communication.

SWITCH
POSITION

CONNECT
TESTER
BETWEEN:

SPECIFIED
CONDITION

"LOCK"
(OFF)

1-2, 1-4, 1-5, 1-6

Open circuit

"ACC"

1-4, 1-6

Less than 2
ohms

"ON"

1-2, 1-4, 1-5, 1-6

Less than 2
ohms

"START"

1-2, 1-5

Less than 2
ohms

AC306946

AB

STATUS OF
IGNITION KEY

TESTER
CONNECTION

SPECIFIED
CONDITION

Removed

4-6

Less than 2
ohms

Inserted

4-6

Open circuit

AC306947

AB

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

TSB Revision

CHASSIS ELECTRICAL

54A-53

COMBINATION METERS DIAGNOSIS

TROUBLESHOOTING STRATEGY

M1543006900681

Use these steps to plan your diagnostic strategy. Fol-
low through with each step to ensure that you have
exhausted all possible methods of finding a combina-
tion meter fault.
1. Gather information from the customer.

2. Verify that the condition described by the

customer exists.

3. Find and repair the malfunction by following the

symptom chart.

4. Verify that the malfunction has been eliminated.

ITEM

Instruments, indicator lights, and warning lights

ECU sending data via
CAN communication

Meter

Tachometer

Powertrain control module

Speedometer
Engine coolant temperature gauge
Odometer

Indicator
lamp

High-beam

ETACS-ECU

Turn-signal
Front fog
Door ajar
A/T shift position

Powertrain control module

Auto cruise
TCL

ABS/TCL-ECU <vehicles
without ASC>

TCL OFF
TCL/ASC

TCL/ASC-ECU <vehicles
with ASC>

TCL OFF

Warning
lamp

Service engine soon

Powertrain control module

ABS

ABS-ECU

SRS

SRS-ECU

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

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CHASSIS ELECTRICAL

54A-54

DIAGNOSIS FUNCTION

M1543007000454

HOW TO CONNECT SCAN TOOL (MUT-III)

Required Special Tools:

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991911: MUT-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.
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 MUT-III system on the personal computer.

NOTE: Disconnecting the 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 (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991911: MUT-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.

AC305412

AB

MB991910

DATA LINK

CONNECTOR

MB991824

MB991827