Mitsubishi Galant (2004+). Manual - part 502

 

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Mitsubishi Galant (2004+). Manual - part 502

 

 

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-619

STEP 2. Check the CAN bus lines between joint connector 
(3) and the combination meter. Measure the resistance 
between joint connector (3) C-02 and combination meter 

connector C-101.

CAUTION

A digital multimeter should be used. For details refer to 

P.54C-4

.

CAUTION

The test wiring harness should be used. For details refer to 

P.54C-4

.

(1) Disconnect joint connector (3) C-02 and combination meter 

connector C-101, and measure the resistance between 
each wiring harness side connector.

(2) Turn the ignition switch to the "LOCK" (OFF) position.

CAUTION

Disconnect the negative battery terminal. For details refer 
to 

P.54C-4

.

(3) Disconnect the negative battery terminal.

AC305232

HARNESS SIDE

C-101

CONNECTORS: C-02, C-101

AE

C-02

C-02

C-101

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-620

(4) Measure the resistance between joint connector (3) 

terminal 15 and combination meter connector terminal 15.

OK: 2 ohms or less

(5) Measure the resistance between joint connector (3) 

terminal 4 and combination meter connector terminal 14.

OK: 2 ohms or less

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-5

.

Q: Do all the resistances measure 2 ohms or less?

YES : If all the resistances measure 2 ohms or less, power 

supply to the combination meter may be suspected. 
Diagnose the combination meter. Refer to GROUP 
54A, Combination meter assembly 

P.54A-266

.

NO :  If either of the resistances measures more than 2 

ohms or all the resistances measure more than 2 
ohms, repair the wiring harness between joint 
connector (3) and the combination meter connector. 

AC204582

HARNESS SIDE: C-02

BZ

11

22

10

21

9

20

8

19

7

18

6

17

5

16

4

15

3

14

2

13

1

12

G

G

22

11

5

16

19

20

21

17

18

8

10 9

7 6

13

1514

12

2

4 3

1

TEST 
HARNESS

HARNESS SIDE: C-101

TEST 
HARNESS

AC204582

HARNESS SIDE: C-02

TEST 
HARNESS

11

22

10

21

9

20

8

19

7

18

6

17

5

16

4

15

3

14

2

13

1

12

G

G

22

11

5

16

19

20

21

17

18

8

10 9

7 6

13

1514

12

2

4 3

1

TEST 
HARNESS

HARNESS SIDE: C-101

CA

CAN COMMUNICATION SIGNAL TABLE

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-621

CAN COMMUNICATION SIGNAL TABLE

M1548300400059

SIGNAL

TRANSMITTER 
ECU

RECEIVER ECU

POWER TRAIN 
CONTROL 
MODULE

ABS-ECU

MULTI-CENTE
R DISPLAY 
UNIT (MIDDLE-
GRADE TYPE)

COMBINATION 
METER

A/C-ECU

ETACS-ECU

Engine speed signal

Power 
train 
control 
module

×

×

×

A/C information signal

×

Vehicle speed signal

×

×

Vehicle stop signal

×

×

×

×

Malfunction indicator 
lamp request signal

×

Auto-cruise control 
indicator lamp signal

×

Engine coolant 
temperature signal

×

×

Selector position signal

×

×

×

×

ABS warning light 
request signal

ABS-ECU −

×

SRS warning light 
request signal

SRS-ECU −

×

Communication 
continuation request 
signal

Multi-cent
er display 
unit 
(middle-gr
ade type)

×

×

Ignition switch (ACC) 
signal

×

×

Adjustment request 
signal

×

×

Customize signal

×

×

Tone alarm sound 
signal

×

×

Communication 
continuation request 
signal

Combinati
on meter

×

Vehicle speed signal

×

Ignition switch (IG1) 
signal

×

Seat belt signal

×

Fuel information signal

×

CAN COMMUNICATION SIGNAL TABLE

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-622

Communication 
continuation request 
signal

A/C-ECU

×

Compressor signal

×

Idle-up request signal

×

Cooling fan request 
signal

×

Cooling fan signal

×

Set temperature signal

×

Ambient temperature 
signal

×

Fan air volume signal

×

Air outlet mode signal

×

Communication 
standby signal

ETACS-E
CU

×

Ignition switch (ACC) 
signal

Ignition switch (IG1) 
signal

×

High-beam indicator 
request signal

×

Turn-signal indicator 
request signal

×

Fog light indicator 
request signal

×

Illumination signal

×

Door "open" signals

×

Interior light shut-off 
signal

×

Customize signal

×

SIGNAL

TRANSMITTER 
ECU

RECEIVER ECU

POWER TRAIN 
CONTROL 
MODULE

ABS-ECU

MULTI-CENTE
R DISPLAY 
UNIT (MIDDLE-
GRADE TYPE)

COMBINATION 
METER

A/C-ECU

ETACS-ECU

 

 

 

 

 

 

 

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