
Diagnostic procedure

Dtc p0420
Dtc p0480Mazda 6 Service Manual: Seat warmer unit inspection
1. Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION.)
2. Remove the seat cushion trim.
3. While inspecting for continuity between the terminals A and B of the
connector, use a dryer to warm the thermostat of the seat warmer unit on seat
cushion.
4. When the indication on the ohmm ...
Mazda 6 Service Manual: Vehicle speedometer sensor removal/installation
Without ABS
1. Disconnect the negative battery cable.
2. Remove the battery and battery tray.
3. Remove the air cleaner compornent. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
4. Disconnect the vehicle speedometer sensor connector.
5. Remove the vehicle speedometer sensor.
6. Apply transmi ...