Nissan Sentra B18 (2020-2025) Service Manual: Heated Seat System

A.

Front seat LH (front power seat LH shown, front manual seat RH similar)

B.

A/C switch assembly (with auto A/C)

C.

A/C switch assembly (with manual A/C)

D.

Center of instrument panel (view with instrument panel finisher removed)

1.

A/C auto amp. (with auto A/C)

Controls the heated seat high and low relays.

Refer to A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C) for detailed component location.

A/C amp. (with manual A/C)

2.

Cushion heater LH (RH similar)

Refer to Front Seat Heaters.

3.

Seat heater LH (back) (RH similar)

4.

Heated seat switch LH (with auto A/C)

• Heated seat switch LH/RH are integrated with the A/C switch assembly.

• A/C switch assembly transmits the heated seat request signal to the A/C auto amp. via LIN communication

• A/C switch assembly receives the heated seat switch indicator signal from the A/C auto amp. via LIN communication.

Refer to A/C Switch Assembly for detailed component location.

5.

Heated seat switch RH (with auto A/C)

6.

Heated seat switch LH (with manual A/C)

• Heated seat switch LH/RH are integrated with the A/C switch assembly.

• A/C switch assembly transmits the heated seat request signal to the A/C amp. via LIN communication

• A/C switch assembly receives the heated seat switch indicator signal from the A/C amp. via LIN communication.

Refer to A/C Switch Assembly for detailed component location.

7.

Heated seat switch RH (with manual A/C)

8.

Heated seat LH low relay

Activates heated seat LH (LOW) with relay activation signal from the A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C).

9.

Heated seat LH high relay

Activates heated seat LH (HIGH) with relay activation signal from the A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C).

10.

Heated seat RH low relay

Activates heated seat RH (LOW) with relay activation signal from the A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C).

11.

Heated seat RH high relay

Activates heated seat RH (HIGH) with relay activation signal from the A/C auto amp. (with auto A/C) or A/C amp. (with manual A/C).