Subaru B9 TRIBECA WX 2007 Manual page 447

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HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
4. Auto A/C Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
8 7
16 15 14 13 12 11
Terminal No.
A1 Battery power supply
A2 ACC power supply
Mode door actuator position sig-
A3
nal
Passenger's side air mix door
A4
actuator position signal
A5 In-vehicle sensor
A6 Sunload sensor
Driver's seat heater temperature
A7
sensor
A8 Sensor power supply
A9 Ignition power supply
A10 A/C cut signal
Driver's side air mix door actuator
A12
position signal
A13 Evaporator sensor
Passenger's seat heater tempera-
A14
ture sensor
A15 Sensor ground
A16 Ground
B1 CAN communication (HI side)
Blower motor voltage feedback
B2
signal
Blower motor power MOS gate
B3
control signal
B6 Magnet clutch signal
Auto A/C Control Module I/O Signal
6 5 4 3 2 1
10 9
A: B282
Description
Ignition switch: OFF
Ignition switch: ACC
Mode door: FACE position
Mode door: DEF position
Air mix door: Maximum cool position
Air mix door: Maximum hot position
Ignition switch: ON
Ignition switch: ON, With Sunload (No sunload: 0.8 V)
Ignition switch: ON
Ignition switch: ON
Ignition switch: ON
Ignition switch: ON
When pressure SW is operating
Air mix door: Maximum cool position
Air mix door: Maximum hot position
Ignition switch: ON
Ignition switch: ON
Continuity to chassis ground
Continuity to chassis ground
Ignition switch: ON
Blower level: Manual Lo
Blower level: Manual M3
Blower level: Manual Hi
Ignition switch : ON, Blower switch : ON
Temperature setting: Maximum COOL,
MODE: Manual DEF, A/C: ON
AC(diag)-8
13 12 11 10 9 8 7 6 5 4 3
24
26 25 23 22 21
20 19 18 17 16 15 14
B: B283
Measuring condition
2 1
AC-01334
Specification
Battery voltage
Battery voltage
4 V
1 V
4 V
1 V
Less than 5 V
3 V
Less than 5 V
5 V
Battery voltage
Battery voltage
0 V
4 V
1 V
Less than 5 V
Less than 5 V
0 Ω
0 Ω
Pulse signal *1
7.6 V
3.7 V
Less than 1 V
1 V — battery
voltage
Battery voltage