1. Remove the seat warmer switch.
2. Inspect for continuity between the seat warmer switch terminals using an ohmmeter.
Drivers side


Passengers side


Seat warmer switch removal/installation
Seat warmer unit inspectionMazda 6 Service Manual: Dsc on-board diagnosis
On-Board Diagnostic (OBD) Test Description
(See ABS (ABS/TCS) ON-BOARD DIAGNOSIS)
DTC Table
PID/DATA Monitor Table
Active Command Modes Table
...
Mazda 6 Service Manual: Making a Call
Phonebook Usage
Telephone calls can be made by saying the contact name in the downloaded phonebook
or the name of a person whose phone number has been registered in the Bluetooth®
Hands-Free. Refer to Import contact (Download Phonebook).
1. Press the talk button.
2. Wait for the beep sound.
...