Suzuki Grand Vitara JB416 / JB420. Manual — part 409
10B-2 Body Electrical Control System:
• Data which BCM receives from TCM
– Transmission range sensor signal (A/T selector lever position)
• Data which BCM receives from keyless start control module
– Ignition knob switch signal
– Door lock/unlock request signal
– Buzzer request for keyless start system
– Answer back request signal
• Data which BCM receives from 4WD control module
– Buzzer request for 4WD control system
• Data which BCM transmits to combination meter
– Lighting switch signal
– Brake fluid level switch signal (brake warning light control signal)
– Parking brake switch signal (brake warning light control signal)
– Seat belt buckle switch signal (seat belt reminder light control signal)
– Charging system signal (charging system warning light control signal)
– Engine oil pressure switch signal (engine oil low pressure warning light control signal)
– POWER/NORMAL mode switch signal (POWER/NORMAL mode indicator control signal)
– Illumination ON signal
• Data which BCM transmits to TCM
– POWER/NORMAL mode switch signal (POWER/NORMAL mode indicator control signal)
• Data which BCM transmits to keyless start control module
– Door switch status
– Door lock status
• Data which BCM transmits to ECM
– DRL operation signal (electric load signal)
– Air condition ON signal (electric load signal)
– Lighting switch signal (electric load signal)
– Rear defogger operation signal (electric load signal)
Theft Deterrent Light Description
S5JB0AA201003
Theft deterrent light (2) is installed on the HVAC control module (1) for the theft preventive purpose.
The BCM makes the theft deterrent light flash at certain intervals after the ignition switch is turned off until it is turned
on again. Also, DTCs stored in BCM can be checked by reading the flashing patterns of the theft deterrent light when
diagnosing troubles.
2
1
I5JB0AA20001-01
Body Electrical Control System: 10B-3
Schematic and Routing Diagram
Body Electrical Control System Wiring Circuit Diagram
S5JB0AA202001
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
33
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
C
H
A
+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
I5JB0AA20023-08
10B-4 Body Electrical Control System:
Connector Layout Diagram of BCM
S5JB0AA202002
BCM connectors (viewed from harness side)
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 controller
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
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-5
Component Location
BCM and Related System Component Location
S5JB0AA203001
1
4
8
10
7
9
6
7
2
26
24
21
22
5
3
28
27
19
18
29
23
15
14
17
20
16
13
12
11
25
I5JB0AA20003-02
1. Generator
11. Keyless entry receiver (if equipped)
21. Headlight high beam relay
2. Brake fluid level switch
12. Parking brake switch
22. Headlight low beam relay
3. ECM
13. Seat belt buckle switch
23. BCM
4. Oil pressure switch
14. Theft deterrent light
24. Rear end window defogger, mirror heater, rear wiper and
front fog light relays (included in integration relay)
5. Outside air temperature sensor
15. Rear end door window defogger switch
25. Keyless start control module (if equipped)
6. Door lock actuator (incorporated in key
cylinder switch)
16. POWER/NORMAL mode select switch
26. Auto-on headlight sensor (if equipped)
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