Mitsubishi Grandis. Manual - part 15

 

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Mitsubishi Grandis. Manual - part 15

 

 

DIAGNOSTIC TROUBLE CODE PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-57

TROUBLE JUDGMENT

The ETACS-ECU communicates with the power 
window main switch through the SWS 
communication lines. If there is any trouble in that 
communication, diagnosis code No.05 will be set.

COMMENTS ON TROUBLE SYMPTOM

If the power window main switch, the ETACS-ECU or 
the CAN bus line fails, this diagnosis code will be set.

POSSIBLE CAUSES

• Malfunction of the power window main switch

• Malfunction of the ETACS-ECU switch

Power Window Main Switch and SWS Communication Circuit <RHD>

POWER
WINDOW RELAY

ETACS-ECU

DIAGNOSIS
CONNECTOR

POWER WINDOW
MAIN SWITCH

FUSIBLE
LINK

5

CPU

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

FRONT 
SIDE

DIAGNOSTIC TROUBLE CODE PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-58

• Malfunction of the CAN bus

DIAGNOSIS PROCEDURE

Step 1. MUT-III CAN bus diagnostics

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

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus line (Refer to GROUP 
54D 

− Diagnosis 

P.54D-16

).

Step 2. Check whether the diagnosis code is 
reset.

Check again if the diagnosis code is set.
(1) Erase the diagnosis code.
(2) Ignition switch: LOCK (OFF) position to ON
(3) On completion, check that the diagnosis code is 

not reset.

Q: Is the diagnosis code set?

YES : 

Go to Step 3.

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Use 

Troubleshooting/Inspection Service Points 

P.00-5

).

Step 3. Pulse check

Check the input signal from the ignition switch.

OK: The MUT-III sounds or the voltmeter 
needle fluctuates.

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Refer to inspection procedure A-2 "When 
the ignition switch is at the LOCK (OFF) 
position, the functions do not work normally. 
Check the battery power supply circuit to 
the ETACS-ECU 

P.54B-87

."

Step 4. Connector check: F-05 power window 
main switch connector

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the defective connector.

Step 5. Voltage measurement at the F-05 power 
window main switch connector.

(1) Disconnect the connector, and measure at the 

wiring harness side.

System switch

Check condition

Ignition switch (IG1) When turned from ACC to 

ON

AC311150

AB

Connector: F-05

Harness side

<LHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05(B)

AC310213

Connector: F-05

Harness side

<RHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05(B)

AB

AC311150

AB

Connector: F-05

Harness side

<LHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05(B)

AC310213

Connector: F-05

Harness side

<RHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05(B)

AB

DIAGNOSTIC TROUBLE CODE PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-59

(2) Ignition switch: ON

(3) Voltage between F-05 power window main switch 

connector terminal No.6 and body earth

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Go to Step 6.

Step 6. Connector check: C-217 power window 
relay connector

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the defective connector.

Step 7. Check the power window relay.

Refer to GROUP 42 

− Door 

P.42-28

.

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Replace the power window relay.

Step 8. Voltage measurement at C-217 power 
window relay connector.

(1) Remove the power window relay, and measure at 

the junction block side.

(2) Voltage between C-217 power window relay 

connector terminal No.5 and body earth

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Go to Step 9.

AC310507BQ

Connector F-05
(Harness side)

10

1

6

14

5

12

13

4

11

7

2

3

8

9

AC310623

Connector: C-217

AB

3

4

5

1

2

Junction block side

<LHD>

Junction block (Front view)

AC310618

Connector: C-217

3

4

5

1

2

Junction block side

<RHD>

Junction block (Front view)

AB

AC310623

Connector: C-217

AB

3

4

5

1

2

Junction block side

<LHD>

Junction block (Front view)

AC310618

Connector: C-217

3

4

5

1

2

Junction block side

<RHD>

Junction block (Front view)

AB

AC310507BR

Connector C-217
(Junction block side)

3

4

5

1

2

DIAGNOSTIC TROUBLE CODE PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-60

Step 9. Check the wiring harness between C-217 
power window relay connector terminal No.5 and 
fusible link (5).

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connectors C-125 and junction block 
connector C-202, and repair if necessary.

• Check the power supply line for open circuit.

Q: Is the check result normal?

YES : 

The trouble can be an intermittent 

malfunction (Refer to GROUP 00 

− How to 

Cope with Intermittent Malfunction 

P.00-5

).

NO : 

Repair the wiring harness.

AC310623

Connector: C-217

AB

3

4

5

1

2

Junction block side

<LHD>

Junction block (Front view)

AC310618

Connector: C-217

3

4

5

1

2

Junction block side

<RHD>

Junction block (Front view)

AB

AC310613

AD

Connector: C-125 <LHD>

AC310628AB

Connector: C-125 <RHD>

AC310623

Connector: C-202

AC

<LHD>

Junction block (Front view)

Harness side

AC310618

Connector: C-202 <RHD>

Junction block (Front view)

C-202

AC

Harness side

 

 

 

 

 

 

 

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