HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Auto A/C Control Module I/O Signal
ELECTRICAL SPECIFICATION

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 #1f *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
Wiring diagramCaution
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Glove box
Lock
Unlock
To open the glove box, pull the handle. To
close it, push the lid firmly upward.
To lock the glove box, insert the key and
turn it clockwise. To unlock the glove box,
insert the key and turn it counterclockwise.
For models with "keyless access with
push-button start s ...
Inspection
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