Speed Sensor

Remove speedometer from dash panel. Connect an ohmmeter between terminals "H" and "I" on the 12-pin printed circuit connector. Rotate the speedometer drive cable. Ensure a continuity pulse cycle of 4 times per revolution. If continuity does not cycle 4 times per revolution, replace speedometer.

Fig 1: Testing Actuator

Courtesy of MAZDA MOTORS CORP.

Fig 2: Testing Control Switches

Courtesy of MAZDA MOTORS CORP.

Fig 3: Checking Control Unit Voltage

Courtesy of MAZDA MOTORS CORP.

Fig 4: B2200 & B2600i Wiring Diagram

Courtesy of MAZDA MOTORS CORP.