Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 526
10B-5 Body Electrical Control System:
Connector Layout Diagram of BCM
S6JB0AA202002
BCM connectors (viewed from harness side)
[A]: Door lock 1-Action type
21. Front fog light switch (if equipped)
43. Dimmer and passing switch
[B]: Door lock 2-Action type
22. Navigation (if equipped)
44. Horn relay
1. BCM
23. POWER/NORMAL mode switch (if equipped)
45. Horn switch
2. Auto-ON headlight sensor (if equipped)
24. Headlight auto leveling control module (if
equipped)
46. Horn
3. Rear wiper motor
25. Front fog light relay (if equipped)
47. Lighting switch
4. Rear wiper relay
26. Tail light relay
48. Ignition switch
5. Rear wiper and washer switch
27. Junction connector
49. Battery
6. Outside air temperature sensor
28. Door mirror heater relay (if equipped)
50. To turn signal light
7. Key reminder switch
29. Rear end door lock actuator
51. Body ground
8. Theft deterrent light
30. Data link connector (DLC)
52. Engine ground
9. Oil pressure switch
31. Headlight high beam relay
53. Right side door mirror heater (if
equipped)
10. Generator
32. Headlight low beam relay
54. Left side door mirror heater (if
equipped)
11. Information display
33. Door lock motor relay
55. Audio unit
12. Keyless entry receiver (if equipped)
34. Driver side door lock actuator
INT: Intermittent position
13. Driver side door switch
35. Passenger side door lock actuator
ON: Rear wiper ON position
14. Other than driver side door switch
36. Rear door lock actuator
LO: Low beam position
15. HVAC control module
37. Turn signal and hazard warning relay
HI: High beam position
16. Driver side seat belt switch
38. Hazard warning switch
A: Auto position (if equipped)
17. Brake fluid level switch
39. Interior light
C: Clearance position
18. Parking brake switch
40. Air bag control module
H: Head position
19. Door key cylinder switch (included in door lock
actuator)
41. Rear window defogger relay
20. Manual door lock switch
42. Rear window defogger
7
8
9
10
11
12
13
14
15
6
5
4
3
2
1
G32
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
G30
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
G31
1
I5JB0AA20002-01
1. BCM
Body Electrical Control System: 10B-6
Component Location
BCM and Related System Component Location
S6JB0AA203001
1
4
8
10
7
9
6
7
2
24
21
22
5
3
4
1
[A]
[B]
[A]
[B]
26
27
19
18
29
23
15
14
17
20
16
13
12
11
25
28
30
I6JB0AA20004-02
[A]: Petrol engine model
10. Rear end door lock actuator (incorporated
in door switch)
21. Headlight high beam relay
[B]: Diesel engine model
11. Keyless entry receiver (if equipped)
22. Headlight low beam relay
1. Generator
12. Parking brake switch
23. BCM
2. Brake fluid level switch
13. Seat belt buckle switch
24. Rear end window defogger, mirror heater, rear wiper and
front fog light relays (included in integration relay)
10B-7 Body Electrical Control System:
Diagnostic Information and Procedures
BCM Self-Diagnosis Function
S6JB0AA204001
• BCM monitors conditions of the system components and its circuit with ignition switch turned to ON position. When
an abnormality in the system occurs, the area where that abnormality lies is stored in the memory of EEPROM in
BCM.
• DTC can be checked in either one of following ways.
– DTC can be checked by SUZUKI scan tool (2) connected to DLC (1).
– DTC can be read from flashing pattern of theft deterrent light (3). In addition, when theft deterrent light is flashing
for DTC outputting DTC is displayed on combinations meter (4) at the same time.
BCM input / output table
3. ECM
14. Theft deterrent light
25. Keyless start control module (if equipped)
4. Oil pressure switch
15. Rear end door window defogger switch
26. Auto-on headlight sensor (if equipped)
5. Outside air temperature sensor
16. POWER/NORMAL mode select switch (A/
T model)
27. Front fog light switch (if equipped)
6. Door lock actuator (incorporated in
key cylinder switch)
17. Hazard warning switch
28. Turn signal and hazard warning relay
7. Door switch
18. Rear wiper switch
29. Key reminder switch (included in ignition switch)
8. Interior light
19. Lighting switch
30. Tail light relay
9. Luggage room light
20. Manual door lock switch
3
1
2
4
I5JB0AA20004-01
Control
Input
Output
Power door lock system
• Key cylinder switch
• Manual door lock switch
• Driver side door lock actuator
• Other than driver side door lock
actuator
Keyless entry system
• Key reminder switch
• Keyless entry receiver
• Driver side door switch
• Driver side door lock actuator
• Other than driver side door lock
actuator
• Turn signal and hazard warning relay
• Interior light
Keyless start system
(Door lock function)
• Keyless start control module
• Driver side door lock actuator
• Other than driver side door lock
actuator
• Turn signal and hazard warning relay
• Interior light
Rear wiper
• Rear wiper INT switch
• Rear wiper LO switch
• Rear wiper relay
Body Electrical Control System: 10B-8
Combination meter
• Lighting switch
• Brake fluid level switch
• Seat belt reminder light signal
• Generator
• Oil presser switch
• Parking brake switch
• Power/Normal mode select switch (A/T
model)
• Dimmer switch (high beam)
• Door switch
• BCM DTC signal
• Combination meter
Interior light
• Each door switch
• Key reminder switch
• Interior light
• Luggage room light
Warning buzzer
• Key reminder switch
• Tail light switch
• Driver side door switch
• ECM (vehicle speed signal)
• TCM (reverse signal) (if equipped)
• 4WD control module (if equipped)
• Keyless start control module (if equipped)
• Warning buzzer (located in BCM)
DRL system
• Lighting switch
• ECM (engine ON, OFF signal)
• Generator
• Headlight low beam relay
Auto-on headlight system
• Lighting switch
• Parking brake switch
• Auto-on headlight sensor
• Tail light relay
• Headlight low beam relay
Front fog light
• Lighting switch
• Front fog light switch
• Front fog light relay
Rear end door window
defogger and door mirror
heater
• Rear end door window defogger switch
(included in HVAC control module)
• Generator
• ECM (engine ON, OFF signal)
• Rear end door defogger window
relay
• Mirror heater relay (if equipped)
Tail light
• Lighting switch
• Tail light relay
Door lock canceller
• SDM (air bag deployment signal)
• Driver side door lock actuator
• Other than driver side door lock
actuator
Theft deterrent light
• Key reminder switch
• Theft deterrent light (located in HVAC
control module)
Control
Input
Output
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