Mazda 6 Training Manual page 272

Climate control unit (auto A/C only)
T–56
AUDIO AND NAVIGATION SYSTEM
Terminal
1A Blower motor feedback
1B
1C Blower motor control
1D
1E Rear window defroster relay
1F On-board diagnostic
1G Wiper deicer relay
1H
1I Sensor ground
1J
1K A/C ambient temperature sensor
1L
1M Cabin temperature sensor
1N
1O Water temperature sensor
1P
1Q Evaporator temperature sensor
1R
1S Solar radiation sensor
1T Hazard warning ground
1U Potentiometer (air mi actuator)
1V
1W Potentiometer (airflow mode actuator)
1X Hazard warning switch
2A Panel light control
2B
Air mi actuator drive
2C
(HOT→COLD)
Air mi actuator drive
2D
(COLD→HOT)
Airflow mode actuator drive
2E
(VENT→DEFROSTER)
2F B+ (Power back up)
Airflow mode actuator drive
2G
(DEFROSTER→VENT)
2H
Air intake actuator drive
2I
(FRESH→RECIRCULATE)
2J
Air intake actuator drive
2K
(RECIRCULATE→FRESH)
2L
Signal
+5 V
—
—
HNTI
HNTI
—
A/C
—
—
TNS
IG2
—
Ground