Suzuki Grand Vitara JB627. Manual - part 152

3C-12 Transfer: 

Schematic and Routing Diagram

4WD Control System Wiring Circuit Diagram

S6JB0B3302001

5V

5V

IG

5V

12V

E91-2

5V

12V

12V

+BB

YEL

RED/BLK

BLU

M

E91-3

E91-25

E91-26

RED

E91-24

BLK/YEL

E91-7

BLK/ORN

E91-21

PPL/WHT

E91-22

E91-23

RED

WHT

E91-18

E91-19

E91-20

E91-13

E91-14

E91-12

E91-11

E91-10

E91-1

BLK

BLK

WHT

BLK/WHT

RED/GRN

PNK/WHT

BLU/ORN

BLU/BLK

LT GRN

12V

12V

G59-2

G59-3

G59-4

C54-1

C54-4

C54-2

C54-3

C54-5

WHT/RED

WHT/BLU

1

2

3

4

5

6

7

8

9

10

12

11

13

14

15

17

18

19

20

21

23

22

16

E91-8

PNK

I5JB0A332007-03

1. Transfer actuator

9. ABS hydraulic unit / control module

17. DLC

2. Transfer actuator position switch

10. ECM

18. “IG COIL” fuse

3. Transfer actuator motor

11. 4WD control module

19. Ignition switch

4. CPP switch (for M/T model)

12. Transfer switch

20. “4WD” fuse

5. BCM

13. TCM (for A/T model)

21. Shift switch (for A/T model) or CPP switch (for M/T model)

6. TCM (for A/T model)

14. 4L/N switch

22. Main fuse box

7. Combination meter

15. Center differential lock switch

23. Starting motor

8. Keyless start control module (if equipped)

16. Diagnosis connector (if equipped)

Transfer: 3C-13

Terminal Arrangement of 4WD Control Module

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

[A]

I4JA01332038-01

[A]: Connector “E91” viewed from harness side

Terminal

Circuit

Terminal

Circuit

E91-1

Ground

E91-18

Transfer switch 1

E91-2

Transfer actuator motor 1

E91-19

Transfer switch 2

E91-3

Transfer actuator motor 2

E91-20

Transfer switch 3

E91-7

CPP switch

E91-21

Data link connector (DLC)

E91-8

Diagnosis connector

E91-22

CAN communication line (High)

E91-10

Ground

E91-23

CAN communication line (Low)

E91-11

Power source for internal memory

E91-24

Transfer actuator position switch (ground)

E91-12

Ignition switch

E91-25

Transfer actuator position switch 1 (power)

E91-13

4L/N switch

E91-26

Transfer actuator position switch 2 (power)

E91-14

Center differential lock switch

3C-14 Transfer: 

Component Location

Transfer Shift Control System Components Location

S6JB0B3303001

6

7

5

1

8

2

3

4

I5JB0A332001-01

1. Transfer switch 

4. N indicator

7. Center differential lock switch

2. Differential lock indicator

5. 4WD control module

8. 4L/N switch

3. 4L indicator

6. Transfer actuator

Transfer: 3C-15

Diagnostic Information and Procedures

4WD Control System Check

S6JB0B3304001

Refer to the following items for the details of each step.

Step

Action

Yes

No

1

)

 Customer complaint analysis

1) Perform customer complaint analysis.

Was customer complaint analysis performed?

Go to Step 2.

Perform customer 
complaint analysis.

2

)

 DTC / freeze frame data check, record and clearance

1) Check for DTC.

Is there any DTC(s)?

Print DTC or write them 
down and clear them by 
referring to “DTC 
Clearance”. Go to Step 
3.

Go to Step 4.

3

)

 Visual inspection

1) Perform visual inspection.

Is there any faulty condition?

Repair or replace 
malfunction part. Go to 
Step 11.

Go to Step 5.

4

)

 Visual inspection

1) Perform visual inspection.

Is there any faulty condition?

Repair or replace 
malfunction part. Go to 
Step 11.

Go to Step 8.

5

)

 Trouble symptom confirmation

1) Shift transfer to “4H”, “4H-lock”, “4L-lock” and “N” 

positions referring to “4WD Control System Operation 
Inspection”.

2) Confirm trouble symptom.

Is trouble symptom identified?

Go to Step 6.

Go to Step 7.

6

)

 Rechecking and record of DTC / freeze frame data

1) Recheck for DTC referring to “DTC Check”.

Is there any DTC(s)?

Go to Step 9.

Go to Step 8.

7

)

 Rechecking and record of DTC / freeze frame data

1) Recheck for DTC referring to “DTC Check”.

Is there any DTC(s)?

Go to Step 9.

Go to Step 10.

8

)

 4WD control symptom diagnosis

1) Check and repair according to “4WD Control Symptom 

Diagnosis”.

Are check and repair complete?

Go to Step 11.

Check and repair 
malfunction part(s). Go 
to Step 11.

9

)

 Troubleshooting for DTC

1) Check and repair according to applicable DTC flow.

Are check and repair complete?

Go to Step 11.

Check and repair 
malfunction part(s). Go 
to Step 11.

10 ) Check for intermittent problems

1) Check for intermittent problems.

Is there any faulty condition?

Repair or replace 
malfunction part(s). Go 
to Step 11.

Go to Step 11.

11 ) Final confirmation test

1) Clear DTC if any.
2) Perform final confirmation test.

Is there any problem symptom, DTC or abnormal condition?

Go to Step 6.

End.