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Electrical Specification

G09488934Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Content Measuring condition Standard
1 Mode door actuator #4 Digital signal; can not be measured -
2 Mode door actuator #3 Digital signal; can not be measured -
3 Mode door actuator #2 Digital signal; can not be measured -
4 Mode door actuator #1 Digital signal; can not be measured -
6 Intake door actuator (FRESH) FRESH mode 8 V or more
8 Intake door actuator (RECIRC) RECIRC mode 8 V or more
9 Blower fan ON signal Blower fan is ON 1 V or less
10 Intake door potentiometer power supply Ignition switch ON 5 V
11 A/C cut-off signal A/C is cut off 1 V or less
12 Intake door potentiometer signal Ignition switch ON 0 - 5 V
14 GND for sensors Always 1 V or less
15 ACC power supply ACC ON Battery voltage
16 Sunload sensor Sunlight is contacting sensor 1 - 4 V
17 RECIRC sensor Ignition switch ON 25°C: 2.5 V
18 Post evaporator sensor Depends on temperature after the evaporator. 1 - 4.5 V
19 CAN Lo Digital signal; can not be measured -
20 CAN Hi Digital signal; can not be measured -
21 Air mix door actuator LH #4(2) Digital signal; can not be measured -
22 Air mix door actuator LH #3(2) Digital signal; can not be measured -
23 Air mix door actuator LH #2(2) Digital signal; can not be measured -
24 Air mix door actuator LH #1(2) Digital signal; can not be measured -
25 Air mix door actuator #4 (1) or air mix door actuator RH #4 (2) Digital signal; can not be measured -
26 Air mix door actuator #3 (1) or air mix door actuator RH #3 (2) Digital signal; can not be measured -
27 Air mix door actuator #2 (1) or air mix door actuator RH #2 (2) Digital signal; can not be measured -
28 Air mix door actuator #1 (1) or air mix door actuator RH #1 (2) Digital signal; can not be measured -
31 BATT Always Battery voltage
32 IGN Ignition ON Battery voltage
34 GND Always 1 V or less
35 ILL- Illumination ON (measure between 37 - 35) Battery voltage
37 ILL+
40 Fan control signal Ignition switch: ON, Blower switch: ON 1st Approx. 9 V
2nd Approx. 8 V
3rd Approx. 7 V
4th Approx. 6 V
5th Approx. 5 V
6th Approx. 3.5 V
7th Approx. 0.5 V
(1) Without left/right independent air conditioning function

(2) With left/right independent air conditioning function