Mazda CX-9 Grand Touring 2009 Manual page 1724

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