Suzuki 2006 SX4, Service Manual

Page: 942 / 1478

7B-77 Air Conditioning System: Automatic Type
G20-8 BLU/WHT
Electric load signal for
blower motor
10 – 14 V
• Ignition switch turned ON, blower speed selector
OFF or 1st position
• Ignition switch turned ON, blower speed selector
from 1st to 2nd position
0 – 2 V
• Ignition switch turned ON, blower speed selector
between 3rd and HIGH position
• Ignition switch turned ON, blower speed selector
from 3rd to 2nd position
G20-9 WHT/BLK
Evaporator temperature
sensor signal
Approx. 2.6 V
Ignition switch turned ON, evaporator temperature 0
°
C (32
°
F)
Approx. 1.7 V
Ignition switch turned ON, evaporator temperature
15
°
C (59
°
F)
Approx. 1.0 V
Ignition switch turned ON, evaporator temperature
30
°
C (86
°
F)
G20-10 PNK/BLK
Inside air temperature
sensor signal
Approx. 2.5 V
Ignition switch turned ON, room temperature 25
°
C
(77
°
F)
Approx. 3.7 V
Ignition switch turned ON, room temperature 0
°
C
(32
°
F)
G20-11 — — —
G20-12 WHT
Output of 5 V power
source for air flow control
actuator position sensor
and temperature control
actuator position sensor
4 – 6 V Ignition switch turned ON
G20-13 YEL
Serial communication line
of BCM
Refer to “Reference waveform No. 2: Automatic Type”.
G20-14 — — — —
G20-15 BRN/YEL
Air flow control actuator
(FACE)
10 – 14 V
Ignition switch turned ON, air flow control actuator is
working in operation from “DEF” to “FACE” position
0 – 1 V
Ignition switch turned ON, except the above
condition
G20-16 BRN/WHT
Air flow control actuator
(DEF)
10 – 14 V
Ignition switch turned ON, air flow control actuator is
working in operation from “FACE” to “DEF” position
0 – 1 V
Ignition switch turned ON, except the above
condition
G20-17 GRN
Air intake actuator
(FRESH AIR)
0 – 1 V
Ignition switch turned ON, air intake selector “FRE”
position
10 – 14 V
Ignition switch turned ON, air intake selector “REC”
position
G20-18 RED
Air intake actuator
(RECIRCULATION AIR)
0 – 1 V
Ignition switch turned ON, air intake selector “REC”
position
10 – 14 V
Ignition switch turned ON, air intake selector “FRE”
position
G20-19 GRN/RED
Air intake actuator (MIX
AIR)
10 – 14 V
Ignition switch turned ON, air intake selector “FRE”
or “REC” position
0 – 1 V
Ignition switch turned ON, air intake selector is
working in operation from “FRE” to “REC” or “REC”
to “FRE” position
G20-20 — — — —
G20-21 GRN/WHT A/C switch signal Refer to “Reference waveform No. 1: Automatic Type”.
G20-22 RED/BLK Electric power source 10 – 14 V Ignition switch turned ON
G20-23 BLK/ORN
Ground for HVAC control
module
Below 0.5 V Ignition switch turned ON
G20-24 ORN Ground for sensors Below 0.5 V Ignition switch turned ON
Terminal Wire Color Circuit
Normal
Voltage
Condition