Temperature Sending Unit

With sending unit removed from vehicle, place in container of water and heat to 176°F (80°C). Measure resistance to verify 49-58 ohms. If not, replace sending unit.

Fig 1: Exploded View of 323 Electronic Instrument Panel

Courtesy of MAZDA MOTORS CORP.

Fig 2: Exploded View of 626 Electronic Instrumentation

Courtesy of MAZDA MOTORS CORP.