Heater And Ventilation Wiring Circuit Diagram; Component Location; Electronic Control System Components Location - Suzuki Sx4 Service Manual

7A-2 Heater and Ventilation:

Heater and Ventilation Wiring Circuit Diagram

Non–A/C
1
IG1
GRN
IG2
WHT
12
[B]
[A]: Hatchback model
[B]: Sedan model
[C]: Illumination control model
1. Ignition switch
2. Blower motor
3. HVAC control unit
Manual A/C
Refer to "A/C System Wiring Diagram: Manual Type in Section 7B".
Auto A/C
Refer to "A/C System Wiring Diagram: Automatic Type in Section 7B".

Electronic Control System Components Location

Refer to "Electronic Control System Components Location: Manual Type in Section 7B" (non-A/C and manual A/C) or
"Electronic Control System Components Location: Automatic Type in Section 7B" (auto A/C).
7
RED/BLK
5
YEL BLK
BLU BLK/YEL
[A]
19
BLK/RED
11
19
BLK/RED
20
11
4. Lighting switch
5. Blower motor relay
6. Blower motor resistor
7. Junction block assembly
8. BCM
9. ECM

Component Location

2
M BLK/WHT
6
20
9
12V
BLU/WHT
10
M
8
5V
4 21
[C]
11
10. Air intake control actuator
11. To BCM
12. Main fuse box
13. Blower speed selector
14. Air intake selector
15. Rear defogger switch
S7RW0A7102001
3
G155-1
BLK
BLK/WHT G155-6
YEL G155-7
13
BLU/WHT G155-3
RED G155-2
G154-9
BLK/ORN
16
RED/BLK G154-14
14
RED G154-13
GRN
G154-10
15
GRN/YEL G154-8
G154-4
RED/YEL
18
RED/BLU G154-3
17
G154-7
BLK/RED
I8RW01710001-01
16. "REC" indicator light
17. Rear defogger indicator
18. Illumination light
19. Rear defogger relay
20. Rear defogger
21. Tail light
S7RW0A7103001