3C
control unit
display
control unit
Rear control switch
off
1.0 or
less
circuit (Front climate
control unit-rear
climate control unit:
3C-F)
z
Front climate control
unit: terminal voltage
(1W, 1X)
3D
TNS signal
TNS relay
Turn the headlight
switch to the off
position
1.0 or
less
z
Wiring harness: short
circuit (Front climate
control unit-TNS relay
(main fuse block): 3D-
D)
z
ILLUMI 10 A fuse
z
TNS relay
z
Headlight switch
Turn the headlight
switch to the TNS
position
B+
z
Wiring harness:
continuity, short circuit
(Front climate control
unit-TNS relay (main
fuse block): 3D-D)
z
ILLUMI 10 A fuse
z
TNS relay
z
Headlight switch
3E
Rear fan
control volume
Rear climate
control unit
Airflow
volume
control dial
Off
1.0 or
less
z
Front climate control
unit: terminal voltage
(1T)
z
Wiring harness:
continuity, short circuit
(Front climate control
unit-rear climate
control unit: 3E-A)
z
Rear climate control
unit
1st.
Approx.
1.3
Max
HI
Approx.
4.0
3F
TNS signal
Rear climate
control unit
Turn the headlight
switch to the off
position
1.0 or
less
z
Wiring harness:
continuity, short circuit
(Front climate control
unit-rear climate
control unit: 3F-H)
z
TNS relay
z
Headlight switch
Turn the headlight
switch to the TNS
position
B+
Temperature control
dial (rear side):
1.0 or
z
Wiring harness:
2008 Mazda CX-9 Grand Touring
2008 HVAC Control System (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:12:36 AM
Page 45
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