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Wire
Terminal
color
Blower motor control
G52-15 RED/BLK
voltage feedback
G52-16 PPL/GRN Blower motor controller
Ground for HVAC
G52-17
BLK
control module
G52-18
PNK
Sunload sensor signal
Evaporator
G52-19 WHT/BLK
temperature sensor
signal
Inside air temperature
G52-20
BLU/BLK
sensor signal
Temperature control
G52-21 WHT/RED
actuator position
sensor signal
Air intake control
G52-22 WHT/GRN
actuator position
sensor signal
Air flow control actuator
G52-23 WHT/BLU
position sensor signal
Circuit
Normal value
Approx. 12 V
Approx. 8 V
Approx. 7 V
Approx. 5.5 V
Approx. 4.5 V
Approx. 3 V
Approx. 1.3 V
Approx. 0.3 V
Less than 0.3 V
0 – 1 V
Approx. 4.2 V
Approx. 5.7 V
0 – 1 V
Approx. 3 V
Approx. 5 V
Approx. 3.6 V
Approx. 3.4 V
Approx. 2.4 V
Approx. 2.4 V
Approx. 3.8 V
Approx. 4.5 V
Approx. 1.5 V
Approx. 3.8 V
Approx. 1.5 V
Approx. 4.2V
Approx. 3.2 V
Approx. 2 V
Approx. 1.5 V
Approx. 0.6 V
Air Conditioning System:
Condition
Ignition switch turned ON, blower speed selector
OFF.
Ignition switch turned ON, blower speed selector 1st
position.
Ignition switch turned ON, blower speed selector 2nd
position.
Ignition switch turned ON, blower speed selector 3rd
position.
Ignition switch turned ON, blower speed selector 4th
position.
Ignition switch turned ON, blower speed selector 5th
position.
Ignition switch turned ON, blower speed selector 6th
position.
Ignition switch turned ON, blower speed selector 7th
position.
Ignition switch turned ON, blower speed selector 8th
position.
Ignition switch turned ON, blower speed selector
OFF.
Ignition switch turned ON, blower speed selector 1st
– 7th position.
Ignition switch turned ON, blower speed selector 8th
position.
Constantly.
Ignition switch turned ON, amount of insolation is
500 W/m
2
Ignition switch turned ON, amount of insolation is 0
W/m
2
Ignition switch turned ON, evaporator temperature 0
°C (32 °F).
Ignition switch turned ON, evaporator temperature
10 °C (50 °F).
Ignition switch turned ON, evaporator temperature
25 °C (77 °F).
Ignition switch turned ON, room temperature 25 °C
(77 °F).
Ignition switch turned ON, room temperature 0 °C
(32 °F).
Ignition switch turned ON, temperature selector MAX
COOL position.
Ignition switch turned ON, temperature selector MAX
HOT position.
Ignition switch turned ON, air intake selector "REC"
position.
Ignition switch turned ON, air intake selector "FRE"
position.
Ignition switch turned ON, air flow selector "VENT"
position.
Ignition switch turned ON, air flow selector "BI-
LEVEL" position
Ignition switch turned ON, air flow selector "FOOT"
position.
Ignition switch turned ON, air flow selector "DEF /
FOOT" position.
Ignition switch turned ON, air flow selector "DEF"
position.
7B-64
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