Mitsubishi Grandis. Manual - part 388

 

  Index      Mitsubishi     Mitsubishi Grandis - service repair manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  386  387  388  389   ..

 

 

Mitsubishi Grandis. Manual - part 388

 

 

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-171

COMMENTS ON TROUBLE SYMPTOM

The CAN bus line wiring harness, connector(s), or 
the engine-ECU <M/T> or engine-A/T-ECU <A/T>, 
combination meter may be defective. But it is no 
problem that "

−" is displayed when the average fuel 

consumption display or the possible cruising 
distance display is reset.

POSSIBLE CAUSES

• Malfunction of centre display unit

• Malfunction of combination meter

• Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE 

Step 1. MUT-III CAN bus diagnostics

Use the MUT-III to diagnose the CAN bus lines.

Q: Is the check result satisfactory?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54D, Diagnosis 

− Can Bus Diagnostic Table 

P.54D-16

). After diagnosing the CAN bus 

lines, go to Step 4.

Step 2. MUT-III other system diagnosis code

Check if an combination meter diagnosis code is set.

Q: Is the diagnosis code set?

YES : 

Refer to 

P.54A-35

 and then go to Step 4.

NO : 

Replace combination meter and then go to 
Step 3.

Step 3. MUT-III other system diagnosis code

Check if an MPI system diagnosis code is set.

Q: Is the diagnosis code set?

YES : 

Refer to GROUP13A, Troubleshooting 

P.13A-20

 and then go to Step 4.

NO : 

Replace combination meter and then go to 
Step 4.

Step 4. Retest the system

Check if the driving information displays normally.

Q: Is the check result satisfactory?

YES : 

The procedure is complete.

NO : 

Go to Step 1.

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-172

Inspection Procedure 5: "

" is displayed on the ambient temperature display.

COMMENTS ON TROUBLE SYMPTOM

The CAN bus line wiring harness, connector(s), or 

the A/C-ECU may be defective.

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

CENTER
DISPLAY

A/C-ECU

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

Circuit of Time-out During CAN Communication with A/C-ECU

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-173

POSSIBLE CAUSES

• Malfunction of A/C-ECU

• Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE 

Step 1. MUT-III CAN bus diagnostics

Use the MUT-III to diagnose the CAN bus lines.

Q: Is the check result satisfactory?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54D, Diagnosis 

− Can Bus Diagnostic Table 

P.54D-16

). After diagnosing the CAN bus 

lines, go to Step 3.

Step 2. MUT-III other system diagnosis code

Check if an A/C system diagnosis code is set.

Q: Is the diagnosis code set?

YES : 

Refer to GROUP 55, Troubleshooting 

P.55-8

 and then go to Step 3.

NO : 

Replace A/C-ECU and then go to Step 3.

Step 3. Retest the system

Check if the ambient temperature displays normally.

Q: Is the check result satisfactory?

YES : 

The procedure is complete.

NO : 

Go to Step 1.

Inspection Procedure 6: The radio and CD player information cannot be displayed or the display is 
not normal.

COMMENTS ON TROUBLE SYMPTOM

The radio and CD player operation screen will be 
frozen if the centre display have received abnormal 
data from the radio and CD player and via M-bus 
communication.

POSSIBLE CAUSES

• Malfunction of radio and CD player

• Damaged wiring harness and connectors

AUDIO

CENTER
DISPLAY

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

M-BUS Line Circuit

CENTRE DISPLAY

CHASSIS ELECTRICAL

54A-174

DIAGNOSTIC PROCEDURE

Step 1. Connector check: Radio and CD player 
connector C-22 and centre display unit 
connector C-07.

Q: Is radio and CD player connector C-22 and centre 

display unit connector C-07 in good condition?

YES : 

Go to Step 2.

NO : 

Repair the defective connector.

Step 2. Check the wiring harness between radio 
and CD player connector C-22 (terminal26, 27 
and 34) and centre display unit connector C-07 
(terminal 7, 17 and 8).

Q: Is the wiring harness between radio and CD player 

connector C-22 (terminal26, 27 and 34) and centre 
display unit connector C-07 (terminal 7, 17 and 8) 
in good condition?

YES : 

Go to Step 3.

NO : 

Repair the wiring harness.

AC310614

BR

Connectors: C-07, C-22 <LHD>

C-07

C-22

C-07 (B)

C-22

Harness side

Harness side

AC310632BL

Connectors: C-07, C-22 <RHD>

C-07

C-22

C-07 (B)

C-22

Harness side

Harness side

AC310614

BR

Connectors: C-07, C-22 <LHD>

C-07

C-22

C-07 (B)

C-22

Harness side

Harness side

AC310632BL

Connectors: C-07, C-22 <RHD>

C-07

C-22

C-07 (B)

C-22

Harness side

Harness side

 

 

 

 

 

 

 

Content   ..  386  387  388  389   ..