| Components |

| 1. Seat cushion
heater 2. Seat heater unit (Passenger only) |
3. Seat back
heater |

|
No. |
Connector A |
Connector B |
Connector C |
|
1 |
Vent heater ECU _ IGN1 |
Driver vent switch LED (Low) |
Vent / heater power |
|
2 |
Driver blower power |
Driver vent switch LED (Mid) |
Driver heater power |
|
3 |
Driver blower speed |
Driver vent switch LED (High) |
Driver heater ground |
|
4 |
Driver RPM input |
Driver NTC (+) |
Driver / Assist, Vent / Heater ground |
|
5 |
Driver heater switch |
- |
vent / heater power |
|
6 |
Driver vent switch |
Illumination (-) |
- |
|
7 |
Illumination (+) |
Driver NTC (-) |
Assist heater power |
|
8 |
Driver heater LED (Low) |
Driver blower ground |
- |
|
9 |
Driver heater LED (Mid) |
Driver vent led (Low) |
Assist heater ground |
|
10 |
Driver heater LED (High) |
Driver vent led (Mid) |
Driver / Assist, Vent / Heater ground |
|
11 |
Vent seat unit IGN 2 |
Driver vent led (High) |
|
|
12 |
Assist blower power |
Assist NTC (+) |
|
|
13 |
Assist blower speed |
FATC PWM |
|
|
14 |
Assist blower RPM input |
- |
|
|
15 |
Assist heater switch |
Assist NTC (-) |
|
|
16 |
Assist vent switch |
Assist blower ground |
|
|
17 |
Detent |
|
|
|
18 |
Assist heater LED (Low) |
||
|
19 |
Assist heater LED (Mid) |
||
|
20 |
Assist heater LED (High) |
Inspection Driver/Passenger 1. Check for continuity and measure the resistance between terminals. No.
Circuit Diagram
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 7.
Description and operation The System may be limited when • The radar sensor or camera is blocked with a foreign object or debris.