Mitsubishi Grandis. Manual — part 387

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-167

Step 7. Check the harness wire between ignition
switch (IG1) and C-06 centre display connector
terminal No.36.

NOTE:

Prior to the wiring harness inspection, check joint
connector C-01 <LH drive vehicles>, C-33 <RH drive
vehicles>, junction block connector C-207, C-202
and C-203, and repair if necessary.

• Check the IG1 power supply open circuit.

Q: Is the check result normal?

YES :

Retest the system.

NO :

Repair the wiring harness.

AC310614

BQ

Connectors: C-01, C-06 <LHD>

C-06 (B)

C-06

C-01

Harness side

C-01

AC310632BK

Connectors: C-06, C-33 <RHD>

C-33

C-06 (B)

C-33

C-06

Harness side

AC310624

Connectors: C-202, C-203, C-207 <LHD>

AH

3

4

5

1

2

Junction block side

Junction block (Front view)

C-207

C-202

C-207

Harness side

C-202

C-203

Harness side

C-203

10

1

6

14

5

12

13

4

11

7

2

3

8

9

AC310619

Connectors: C-202, C-203, C-207 <RHD>

AH

3

4

5

1

2

Junction block side

Junction block (Front view)

C-203

C-202

C-207

Harness side

C-202

C-207

Harness side

C-203

10

1

6

14

5

12

13

4

11

7

2

3

8

9

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-168

Step 8. Measure the resistance at C-06 centre
display connector.

(1) Disconnect the connector, and measure at the

wiring harness side.

(2) Resistance between C-06 multi-centre display

connector terminal No.28 and body earth

OK: 2

Ω or less

Q: Is the check result normal?

YES :

Go to Step 10.

NO :

Go to Step 9.

Step 9. Check the harness wire between C-06
centre display connector terminal No.28 and
body earth.

• Check the earth wires for open circuit.

Q: Is the check result normal?

YES :

Retest the system.

NO :

Repair the wiring harness.

Step 10. Replace the centre display temporarily
and retest the system.

Check that the multi-centre display displays correctly
when the multi-centre display is replaced temporarily.

Q: Is the check result normal?

YES :

Replace the multi-centre display.

NO :

Go to Step 11.

Step 11. Retest the system.

Check that the multi-centre display displays correctly.

Q: Is the check result normal?

YES :

The procedure is complete.

NO :

Return to Step 1.

INSPECTION PROCEDURE 3: The clock display is not normal.

COMMENTS ON TROUBLE SYMPTOM

The centre display unit may be defective.

POSSIBLE CAUSES

• Malfunction of centre display unit

• Damaged harness wires and connectors

AC310613

Harness side

BH

Connector: C-06 <LHD>

C-06 (B)

AC310631

Harness side

BC

Connector: C-06 <RHD>

C-06 (B)

AC310506 CO

Connector C-06
(Harness side)

AC310613

Harness side

BH

Connector: C-06 <LHD>

C-06 (B)

AC310631

Harness side

BC

Connector: C-06 <RHD>

C-06 (B)

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-169

DIAGNOSTIC PROCEDURE

Step 1. Replace the centre display and retest the
system.

Check that the clock display is displayed correctly
when the centre display is replaced temporarily.

Q: Is the check result normal?

YES :

Replace the centre display.

NO :

Go to Step 2.

Step 2. Retest the system.

Check that the clock display is displayed on the
centre display correctly.

Q: Is the check result normal?

YES :

The procedure is complete.

NO :

Return to Step 1.

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-170

Inspection Procedure 4: "

−" is displayed on the driving information display or the display is not

normal.

DIAGNOSIS CONNECTOR

FRONT SIDE

ENGINE-ECU<M/T>
OR
ENGINE-A/T-ECU<A/T>

CENTER DISPLAY

CPU

COMBINATION
METER

NOTE

: LHD
: RHD

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet

Center Display CAN-BUS Line Circuit