Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 100

 

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Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 100

 

 

10B-2 Body Electrical Control System: 

CAN Communication System Description

S5JB0EA201002

Refer to “CAN Communication System Description in Section 1A” for CAN communication system description. BCM 
communication control data with each control module as follows.

BCM Transmission Data

BCM Reception Data

ECM

Combination 

Meter

Transmit

DATA

BCM

Keyless

 Start

 Control
 Module

(if equipped)

TCM

(A/T

 model)

ESP 

Control
Module

(vehicle

equipped

with ESP   )

A/C switch ON signal

Blower fan signal

DRL ON signal

Electric load signal

A/T mode status signal

Brake fluid level switch signal

Parking brake switch signal

Seat belt buckle switch signal

Charging system signal

Engine oil pressure switch signal

Illumination ON signal

Diagnostic trouble code (DTC)

Door switch status

Door lock status

I5JB0DA20001-01

Engine speed signal

Engine coolant temp. signal

Vehicle speed signal

Stop (brake) lamp switch signal

Magnet clutch signal

A/C refrigerant pressure signal

Distance kilometers per liter of

fuel signal

Transmission range sensor signal

(A/T select lever position)

Buzzer request signal

Door lock/unlock request signal

Ignition knob switch signal

Answer back request signal

TCM

(for A/T model)

ECM

4WD

Control
Module

(if equipped)

Keyless Start

 Control Module

(if equipped)

DATA

BCM

Receive

I5JB0DA20002-02

Body Electrical Control System:  10B-3

Schematic and Routing Diagram

Body Electrical Control System Wiring Circuit Diagram

S5JB0EA202001

RED/BLK

PPL/GRN

PNK/BLK

PNK/GRN

RED/BLK

RED

WHT

WHT/BLK

IG1

PNK/BLK

YEL/BLK

YEL/RED

YEL/GRN

BRN

YEL/BLK

BLK/ORN 

BLK/RED

IG1

G31-1

G31-3

PPL/WHT

ON

DOOR

OFF

BLK/RED

G32-15

YEL/RED

G31-34

+B

+B

+B 

RED/BLU

G31-12

G31-13

+B

YEL

G30-19

BLU/BLK 

G30-22

+B

+B

BLU

G31-15

BLU/BLK

G31-14

BLK/RED

G31-35

PNK/BLU

PNK/BLU

PNK

G32-2 BLU/YEL

G32-8 BLU

G32-9 BLU/BLK

G32-10 LT GRN

G32-11 GRN/RED

G32-3 BLU/RED

+B

+B

+B

G32-7 BLU/WHT

+B

ORN/BLU

G31-2

G31-4

LT GRN/RED

G31-17

YEL

BLK

PNK/GRN

+BB

PNK/BLU

GRN/YEL

G31-8

G31-7

G31-40

G31-27

G31-26

G31-24

G31-9

G31-39
G31-38

G31-18

G31-19

G31-20

G30-9

G30-16

G30-5

G30-4

G31-21

G31-36

G31-37

G31-28

G31-22

G31-23

G31-10

LT GRN/BLK

WHT/RED

RED

WHT

1

22

24

40

6

25

26

4

3

27

30

38

37

50

39

41

28

42

53

54

44

45

46

33

33

33

33

36

36

35

34

29

48

49

51

32

31

43

37

52

5 V

12 V

23

20

19

18

17

16

9

13

14

14

14

14

12

15

11

10

21

8

2

7

5

GRN

GRN/RED

ON

INT

OFF

G30-7

G30-6

G30-21

G30-11

RED/BLU

+B

HI

LO 

H

+B

+B

+B

RED G32-12

RED/BLU G31-16

GRY

PNK/BLU G30-10

BLK

G32-1

G30-12

+B

PPL/RED

G30-1

BLK

WHT/BLK

G30-2

G32-5 RED/WHT

G30-3 BLU/RED

G32-13 WHT

G31-25

I5JB0DA20003-03

10B-4 Body Electrical Control System: 

Diagnostic Information and Procedures

Body Electrical Control System Check

S5JB0EA204002

1. BCM

22. Navigation

43. Dimmer and passing switch

2. Auto-ON headlight sensor

23. POWER/NORMAL mode switch

44. Horn relay

3. Rear wiper motor

24. Headlight auto leveling control module

45. Horn switch

4. Rear wiper relay

25. Front fog light relay

46. Horn

5. Rear wiper and washer switch

26. Tail light relay

47. Lighting switch

6. Outside air temperature sensor

27. Junction connector

48. Ignition switch

7. Ignition key switch

28. Door mirror heater relay

49. Battery

8. Theft deterrent light

29. Rear end door lock actuator

50. To turn signal light

9. Oil pressure switch

30. Data link connector (DLC)

51. Body ground

10. Generator

31. Headlight high beam relay

52. Engine ground

11. Information display

32. Headlight low beam relay

53. Right side door mirror heater

12. Keyless entry receiver

33. Door lock motor relay

54. Left side door mirror heater

13. Driver side door switch

34. Driver side door lock actuator

INT: Intermittent position

14. Other than driver side door switch

35. Passenger side door lock actuator

ON: Rear wiper ON position

15. HVAC control module

36. Rear door lock actuator

LO: Low beam position

16. Driver side seat belt switch

37. Turn signal and hazard warning relay

HI: High beam position

17. Brake fluid level switch

38. Hazard warning switch

A: Auto position

18. Parking brake switch

39. Interior light

C: Clearance position

19. Door key cylinder switch (included in door lock actuator)

40. Air bag control module

H: Head position

20. Manual door lock switch

41. Rear window defogger relay

21. Front fog light switch

42. Rear window defogger

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

)

 Problem symptom confirmation

1) Perform problem symptom confirmation.

Does trouble recur?

Go to Step 3.

Go to Step 7.

3

)

 DTC check

1) Check DTC.

Is it malfunction code?

Go to Step 4.

Go to Step 5.

4

)

 Troubleshooting for DTC

1) Check and repair according to DTC diag. flow.

Are check and repair completed?

Go to Step 7.

Check and repair 
malfunction part(s).

5

)

 Body electrical control system symptom diagnosis

1) Perform check and repair referring to “Symptom 

Diagnosis” of system having a trouble.

Is there faulty condition?

Repair or replace 
malfunction part(s).

Go to Step 6.

6

)

 Check for intermittent problem

1) Check for intermittent problem.

Is there faulty condition?

Repair or replace 
malfunction part(s).

Go to Step 7.

7

)

 Final confirmation test

1) Clear DTC referring to “DTC Clearance in related 

manual”.

2) Check DTC referring to “DTC Check in related manual”.

Is there any DTC?

Go to Step 4.

End.

Body Electrical Control System:  10B-5

Customer Complaint Analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer.
For this purpose, use of such a questionnaire form as shown in the figure will facilitate collecting information to the 
point required for proper analysis and diagnosis.

Customer questionnaire (example)

Problem Symptom Confirmation
Check if what the customer claimed in “Customer Questionnaire” is accurately found in the vehicle. If that symptom is 
found, check whether the symptom is identified as a failure. (This step should be shared with the customer if possible.)

DTC check
Check DTC stored in BCM memory referring to “DTC Check in related manual”, record it and then clear it referring to 
“DTC Clearance in related manual”. DTC indicates malfunction that occurred in the system but does not indicate 
whether it exists now or it occurred in the past and the normal condition has been restored now. To check which case 
applies, clear DTC once and check whether or not any fault exists.

Troubleshooting for DTC
Based on the DTC indicated in Step 3 and referring to applicable DTC flow, locate the cause of the trouble, namely in 
a sensor, wire harness, connector, BCM or other part and repair or replace faulty parts.

Body Electrical Control System Symptom Diagnosis
Check the parts or system suspected as a possible cause referring to symptom diagnosis of each system.

Check for Intermittent Problem
Check parts where an intermittent trouble is easy to occur (e.g., wire harness, connector, etc.), referring to 
“Intermittent and Poor Connection Inspection in Section 00 in related manual”.

Customer s name: 

 

Model: 

 

VIN: 

 

Date of issue: 

 

Date Reg: 

 

Date of problem: 

 

Mileage: 

 

Problem Symptoms

Power door lock system does not operate

Keyless entry system does not operate

 

Rear end door window defogger does not operate

Rear wiper does not operate

Rear end door opener does not operate

 

Other                       

Frequency of Occurrence 

Continuous / Intermittent (      times a day, a month) 

/

Other                     

Environmental Condition

 

Weather:  

Fine / Cloudy / Rain / Snow / Other           

Temperature:    

(

F ) 

Diagnostic Trouble Code 

Normal code / Malfunction code (                      ) 

Warning buzzer does not sound

Interior light does not light

Theft deterrent light does not flush

I5RS0DA20006-01

 

 

 

 

 

 

 

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