Suzuki Grand Vitara JB627. Manual — part 370
9B-5 Lighting Systems:
Headlight Leveling Actuator
Headlight leveling actuator is (1) located in the headlight housing (2). It moves the reflector (3) in the headlight housing
according to the drive signal from the headlight leveling control module so as to adjust the optical axis of the headlight
to the angle calculated by the headlight leveling control module.
Auto-On Headlight System Description (If Equipped)
S6JB0B9201003
The auto-on headlight is controlled by BCM (1) and works as follows. Under such conditions as the ignition switch
turned ON, the lighting switch (2) turned to the “AUTO” position and the parking brake released, when illuminance to
the auto-on headlight sensor (3) becomes lower than the specified value, the headlights and clearance lights are
turned ON by BCM. On the other hand, when illuminance to the auto-on headlight sensor becomes higher than the
specified value under the same conditions, the headlights and clearance lights are turned OFF by BCM.
I5JB0A920006-06
1
1
2
3
I5JB0A920007-01
Lighting Systems: 9B-6
D.R.L. System Description (If Equipped)
S6JB0B9201004
The D.R.L. system is controlled by BCM (1). It lights headlights when following two conditions are met. Conditions for
D.R.L. operation:
• The engine is running
• The lighting switch is at “OFF” position
Schematic and Routing Diagram
Headlight Auto Leveling System Wiring Circuit Diagram
S6JB0B9202001
1
1
I5JB0A920008-01
G51-12
G51-19
G51-21
G51-10
G51-23
+B
5V
5V
YEL/RED
GRN/RED
BLK
G51-1
12V
GRN
GRN/YEL
GRN/WHT
YEL
3
G51-13
G51-20
G51-22
5V
BLU/RED
BLU/YEL
BLU/BLK
2
4
5
9
10
11
1
5V
5V
12V
G51-16
G51-3
BLU/BLK
RED/BLU
5V
G51-5 PNK
G51-17
RED
G51-11
G51-24
YEL/GRN
GRN/BLK
6
12V
G51-18
GRN
7
8
G51-6
G51-9
BLU/WHT
G51
10
11
12
13
16
17
18
19
20
3
1
5
6
9
21
22
23
24
[A]
I5JB0D920001-01
[A]: Headlight leveling control module connector (viewed from
harness side)
4. BCM
8. Headlight leveling warning light
1. Headlight leveling control module
5. Right headlight leveling actuator
9. Ignition switch
2. Front height sensor
6. Left headlight leveling actuator
10. Lighting switch
3. Rear height sensor
7. Combination meter
11. Diagnosis connector
9B-7 Lighting Systems:
Component Location
Lighting System Components Location
S6JB0B9203001
NOTE
The following figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are
installed at the opposite side.
26*
15*
8*
15*
19*
1
2
1
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
10*
9
12
13*
14
16*
17*
18
20*
22
21
23
24
25
[A]
[B]
[C]
1
1
29
11*
27*
28*
I6JB0B920001-02
[A]: Discharge headlight
9. Front fog light (if equipped)
20. Rear fog light switch (if equipped)
[B]: Halogen headlight of 5 door model
10. Front fog light switch (if equipped)
21. Front height sensor
[C]: Halogen headlight of 3 door model
11. Front fog light relay (if equipped)
22. Rear height sensor
1. Headlight bulb
12. Hazard warning switch
23. Discharge head light bulb
2. Socket cover
13. Turn signal / hazard warning relay
24. Igniter
3. Clearance light bulb
14. Rear combination light
25. Ballast
4. Clearance light bulb socket
15. BCM
26. Auto-on headlight sensor
5. Turn signal light bulb
16. Tail light relay
27. Headlight high beam relay
Lighting Systems: 9B-8
Interior Light System Location
S6JB0B9203002
Diagnostic Information and Procedures
Self-Diagnosis Function for Auto Leveling Headlight System
S6JB0B9204001
The headlight leveling control module has self-diagnosis function to monitor the system components and circuits while
the headlight auto leveling system is at work. When the headlight leveling control module detects an abnormality in the
system, the headlight leveling warning light in the combination meter turns ON. However, the headlight leveling control
module does not have a function to indicate location of such abnormality.
Headlight Leveling Warning Light Check
S6JB0B9204002
1) Turn ignition switch to ON position.
2) Check that headlight leveling warning light (1) lights for about 2 seconds and then goes OFF. If the headlight
leveling warning light lights up again 10 seconds after it turned off, go to “Headlight Auto Leveling System
Symptom Diagnosis (If Equipped)”. If headlight leveling warning light flashes, go to “Initialization of Auto Leveling
Headlight System”.
6. Turn signal light bulb socket
17. Headlight leveling switch (if equipped)
28. Headlight low beam relay
7. Headlight unit
18. Rear fog light (if equipped)
29. Headlight bulb socket
8. Lighting switch
19. Headlight auto leveling control module (if equipped)
2
1
4
3
I5JB0A920010-01
1. Dome light
3. Door switches (both sides)
2. Luggage compartment light (if equipped)
4. Rear end door switch (included in lock assembly)
1
I5JB0A920012-02
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