Seat back side
- Switch the ignition to off.
- Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Remove the rear seat. (See REAR SEAT BACK REMOVAL/INSTALLATION .)
- Inspect for continuity between the seat warmer unit connector (short code) terminal A and B.
Courtesy of MAZDA MOTORS CORP.
- If not as specified, replace the rear seat back pad. (See REAR SEAT BACK TRIM REMOVAL/INSTALLATION .)