Climate Control Unit Inputs and Outputs
Cavity
Wire color
Signal
1
RED
PASSENGER'S TEMPERATURE CONTROL SWITCH (GROUND) *1
INPUT
2
BLU
PASSENGER'S TEMPERATURE CONTROL SWITCH (DOWN) *1
OUTPUT
3
YEL
PASSENGER'S TEMPERATURE CONTROL SWITCH (UP) *1
OUTPUT
4
PNK
B-CAN
INPUT/OUTPUT
5
ORN
NAVIGATION UNIT (SI) *4
INPUT
6
PUR
NAVIGATION UNIT (SO) *4
OUTPUT
7
RED
AUDIO HVAC SUBDISPLAY UNIT (CLK) *2
HVAC SUBDISPLAY UNIT (CLK) *3
OUTPUT
8
YEL
AUDIO HVAC SUBDISPLAY UNIT (SO) *2
HVAC SUBDISPLAY UNIT (SO) *3
INPUT
9
———
———
———
10
YEL
POWER TRANSISTOR CONTROL
OUTPUT
11
BLU
BLOWER FEEDBACK
INPUT
12
———
———
———
13
———
———
———
14
LT BLU
IN-CAR TEMPERATURE SENSOR
OUTPUT
15
PUR
SUNLIGHT SENSOR
OUTPUT
16
RED
ILLUMI (−)
OUTPUT
17
BLU
PTC HEATER A RELAY
INPUT
18
GRN
PTC HEATER B RELAY
INPUT
19
YEL
PTC HEATER C RELAY
INPUT
20
RED
A/C SIGNAL
INPUT
21
BRN
NAVIGATION UNIT (CLK) *4
OUTPUT
22
GRY
REAR WINDOW DEFOGGER RELAY
INPUT
23
BRN
EVAPORATOR TEMPERATURE SENSOR
OUTPUT
24
RED
SENSOR COMMON GROUND
INPUT
25
GRN
CONTROL MOTOR COMMON POWER
OUTPUT
26
LT GRN
CONTROL MOTOR COMMON SIGNAL
INPUT/OUTPUT
27
PNK
CONTROL MOTOR COMMON GROUND
INPUT
28
———
———
———
29
BLK
GROUND (G503)
OUTPUT
30
PNK
OUTSIDE AIR TEMPERATURE SENSOR
OUTPUT
31
WHT
IG2 (Power)
INPUT
32
GRY
ILLUMI (+)
INPUT

*1:
With dual climate control
*2:
With audio system
*3:
Without audio system
*4:
With navigation system