Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 06. BODY 02. HVAC SYSTEM (AUTO AC) (DIAGNOSTICS) 04. AC Control Module IO Signal
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A/C CONTROL MODULE I/O SIGNAL
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
4. A/C Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1
16 15 14 13 12 11 10 9 20 19 18 17 16 15 14 13 12 11
To A: B282 To B: B283
AC-00735
Connector &
Content Signal (V)
Terminal No.
Battery power supply (Memory Battery voltage,
B1 -- B12
back-up) 13 -- 14 (engine running)
Battery voltage (ignition switch ON),
IGN power supply A8 -- B12
13 -- 14 (engine running)
ACC power supply B2 -- B12 Battery voltage, 0 (engine cranking), Battery voltage (engine running)
B12 -- chas-
A/C control module ground circuit 0 (ignition switch ON) -- circuit constantly grounded to chassis
sis ground
B17 -- chas-
Sensor ground circuit 0 (ignition switch ON) -- circuit constantly grounded to chassis
sis ground
Ambient sensor B9 -- B17
Evaporator sensor B7 -- B17 Approx. 5 (disconnect connector, and ignition switch ON)
Thermometer B15 -- B12
Sunload sensor B16 -- B17 Approx. 5 (disconnect connector, and ignition switch ON)
Air mix door actuator B5 -- B1 Battery voltage (ignition switch ON)
Air mix door actuator P.B.R. A4 -- B17 LAN connection
Mode door actuator B6 -- B17 Battery voltage (ignition switch ON)
Mode door actuator P.B.R. A12 -- B17 LAN connection
Intake door FRS voltage A15 -- A7 Battery voltage (FRESH/RECIRC switch OFF)
Intake door CIRC voltage A7 -- A15 Battery voltage (FRESH/RECIRC switch ON)
Blower fan relay B14 -- body Battery voltage (ignition switch ON)
0 (ignition and A/C switches ON)
A/C relay B3 -- B12
Battery voltage (A/C switch OFF)
Illumination control signal B10 -- B20 Battery voltage (ignition and lighting switches ON)
Rear window defogger A13 -- B12 0 (ignition switch ON, rear window defogger switch ON)
AC-7
A/C CONTROL MODULE I/O SIGNAL
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
B: SCHEMATIC
1. AIR CONDITIONER AUTO A/C MODEL
AC-8
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