Disconnect the negative (-) battery terminal.

Remove the Air vent.

(Refer to the BD group - "Crash pad")

After removing the screws, remove the heater control module (A).

Disconnect the seat heater switch connectors (A).

Connect the seat heater switch connectors.

Install the heater control module.

Install the air vent.

Connect the negative (-) battery terminal.

Disconnect the negative (-) batttery terminal.

Remove the center facia panel switch.

Operate driver and assist seat heater switch and check that continuity exists between the terminals.

If there is no continuity, replace the seat heater switch.

Disconnect the negative (-) batttery terminal.

Remove the heater & A/C control unit.

(Refer to Heating,Ventilation, Air Conditioning - "Heater & A/C Control Unit(Full Automatic)")

Operate driver and assist seat heater switch and check that continuity exists between the terminals.

If there is no continuity, replace the seat heater switch.