LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Diagnostics) >> Control Module I/O Signal >> Electrical Specification

Electrical Specification

G13630671Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Contents Measuring condition Standard
(i107) No. 1 (+) ← → Chassis ground (-) Ignition power supply Ignition switch: ON Battery voltage
(i107) No. 2 CAN - H(CAN communication line) Digital signal; cannot be measured -
(i107) No. 3 CAN - L (CAN communication line) Digital signal; cannot be measured -
(i107) No. 4 - - -
(i107) No. 5 (+) ← → Chassis ground (-) GND Always [Resistance 1 Ω or less
(i107) No. 6 (+) ← → Chassis ground (-) Sensor and actuator power supply Ignition switch: ON 5 V
(i107) No. 7 (+) ← → Chassis ground (-) Mode door actuator drive output (VENT) While operating to VENT side While operating: 12 V While not operating: 0 V
(i107) No. 8 (+) ← → Chassis ground (-) Battery power supply Always Battery voltage
(i107) No. 9 - - -
(i107) No. 10 - - -
(i107) No. 11 (+) ← → Chassis ground (-) Intake door actuator drive signal (RECIRC) While operating to RECIRC side While operating: 12 V While not operating: 0 V
(i107) No. 12 - - -
(i107) No. 13 (+) ← → Chassis ground (-) Humidity sensor signal (integrated with in- vehicle air) (3) Ignition switch ON (Fluctuates depending on temperature of the vehicle interior.) 1 - 4.5 V
(i107) No. 14 (+) ← → Chassis ground (-) Seat heater temperature sensor (passenger's side) Ignition switch: ON Varies depending on temperature at seat heater 0 - 5 V
(i107) No. 15 (+) ← → Chassis ground (-) Seat heater temperature sensor (driver's side) Ignition switch: ON Varies depending on temperature at seat heater 0 - 5 V
(i107) No. 16 (+) ← → Chassis ground (-) Air mix door actuator RH position signal(2) Ignition switch: ON Air mix door: MAX COOL 4.5 V
Ignition switch: ON Air mix door: MAX HOT 0.5 V
(i107) No. 17 (+) ← → Chassis ground (-) Air mix door actuator position signal(1)
Or air mix door actuator
LH position signal(2)		 Ignition switch: ON Air mix door: MAX COOL 4.5 V
Ignition switch: ON Air mix door: MAX HOT 0.5 V
(i107) No. 18 (+) ← → Chassis ground (-) Mode door actuator drive output (DEF) While operating to DEF side While operating: 12 V While not operating: 0 V
(i107) No. 19 - - -
(i107) No. 20 (+) ← → Chassis ground (-) ACC power supply Ignition switch: ACC [Battery voltage
(i107) No. 21 (+) ← → Chassis ground (-) Intake door actuator drive signal (FRESH) While operating to FRESH side While operating: 12 V While not operating: 0 V
(i107) No. 22 (+) ← → Chassis ground (-) Evaporator sensor Ignition switch: ON 1 - 4.5 V (changes depending on evaporator temperature)
(i107) No. 23 (+) ← → Chassis ground (-) In-vehicle sensor Ignition switch: ON 25°C (77°F): Approx. 1.5 V 40°C (104°F): Approx. 1 V
(i107) No. 24 (+) ← → Chassis ground (-) Pressure sensor Ignition switch: ON 0.5 - 4.9 V
(i107) No. 25 (+) ← → Chassis ground (-) Heater core rear sensor Ignition switch: ON (Fluctuates depending on temperature after the heater core) 0 - 5 V
(i107) No. 26 (+) ← → Chassis ground (-) Sunload sensor Ignition switch: ON Sunlight is contacting sensor With sunload: Less than 4.9 V Without sunload: 0 V
(i108) No. 1 (+) ← → Chassis ground (-) Seat heater (driver's side)(4) Ignition switch: ON Seat heater switch: ON 0 V or battery voltage
(i108) No. 2 (+) ← → Chassis ground (-) Seat heater (driver's side) GND(4) Ignition switch: ON Seat heater switch: ON Resistance 1 Ω or less
(i108) No. 3 (+) ← → Chassis ground (-) Blower motor voltage feedback Ignition switch: ON Blower switch: ON 0 - 16 V
(i108) No. 4 (+) ← → Chassis ground (-) Blower motor control signal Ignition switch: ON Blower switch: ON 9 V
(i108) No. 5 (+) ← → Chassis ground (-) Seat heater (passenger's side)(4) Ignition switch: ON Seat heater switch: ON 0 V or battery voltage
(i108) No. 6 (+) ← → Chassis ground (-) Seat heater (passenger's side) GND(4) Ignition switch: ON Seat heater switch: ON Resistance 1 Ω or less
(i108) No. 7 (+) ← → Chassis ground (-) Sensor GND Always Resistance 1 Ω or less
(i108) No. 8 (+) ← → Chassis ground (-) Variable compressor solenoid valve drive signal Ignition switch: ON Blower switch: ON A/C switch: ON 2 - 12 V (Duty output)
(i108) No. 9 - - -
(i108) No. 10 - - -
(i108) No. 11 (+) ← → Chassis ground (-) PTC heater 2 relay drive signal(5) In operation 1 V or less
(i108) No. 12 (+) ← → Chassis ground (-) PTC heater 3 relay drive signal*5 In operation 1 V or less
(i108) No. 13 - - -
(i108) No. 14 - - -
(i108) No. 15 - - -
(i108) No. 16 (+) ← → Chassis ground (-) Air mix door actuator RH drive signal (HOT)(2) While operating to HOT side While operating: 12 V While not operating: 0 V
(i108) No. 17 (+) ← → Chassis ground (-) Mode door actuator position signal Ignition switch: ON Mode door: VENT position 4.5 V
Ignition switch: ON Mode door: DEF position 0.5 V
(i108) No. 18 (+) ← → Chassis ground (-) Flow sensor Ignition switch: ON Blower switch: ON A/C switch: ON 0.3 - 4.7 V
(i108) No. 19 (+) ← → Chassis ground (-) Intake door actuator position signal Ignition switch: ON
FRESH/RECIRC door: RECIRC position		 4 V
Ignition switch: ON FRESH/RECIRC door: FRESH position 1 V
(i108) No. 20 (+) ← → Chassis ground (-) PTC heater 1 relay drive signal(5) In operation 0.7 V or less
(i108) No. 21 (+) ← → Chassis ground (-) Blower motor relay drive output Ignition switch: ON Blower switch: ON 0.7 V or less
(i108) No. 22 (+) ← → Chassis ground (-) Air mix door actuator drive signal (HOT)(1)
Air mix door actuator LH drive signal (HOT)(2)		 While operating to HOT side While operating: 12 V While not operating: 0 V
(i108) No. 23 (+) ← → Chassis ground (-) Air mix door actuator (driver's seat) drive signal (COOL) Air mix door actuator drive signal (COOL)*1 Air mix door actuator LH drive signal (COOL)(2) While operating to COOL side While operating: 12 V While not operating: 0 V
(i108) No. 24 (+) ← → Chassis ground (-) Air mix door actuator RH drive signal (COOL)(2) While operating to COOL side While operating: 12 V While not operating: 0 V
(1) Without left/right independent air conditioning function

(2) With left/right independent air conditioning function

(3) With humidity sensor

(4) With seat heater

(5) With PTC heater
scientia non olet · About LEMON Manuals