Bass-Box Inspection

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
2. Disconnect the connector. (See BASS-BOX REMOVAL/INSTALLATION .)
3. Verify the resistance between bass-box terminals.

Courtesy of MAZDA MOTORS CORP.

• If not within the specification, replace the bass-box.

Courtesy of MAZDA MOTORS CORP.

Resistance 

0.9-1.1 ohms