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Caution

• When replacing the connectivity master unit (CMU), perform the configuration to assure that the system operates correctly. (See CONFIGURATION.)

Note

• The Bluetooth ^® pairing information stored in the CMU cannot be written to a new CMU. Therefore, the Bluetooth ^® pairing information will be eliminated if the CMU is replaced. Before replacing the CMU, explain to the customer that the Bluetooth ^® pairing resetting is required.

1.Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)].)

2.Remove the passenger-side decoration panel. (See DECORATION PANEL REMOVAL/INSTALLATION.)

3.Remove the bolts.

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4.Remove the CMU in the direction of the arrow shown in the figure.

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5.Disconnect the connectors.

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6.Install in the reverse order of removal.

7.If the connectivity master unit (CMU) is replaced, perform the following procedure.

(1)Complete the connectivity master unit (CMU) automatic configuration using the following procedure.

1)Switch the ignition ON (engine off or on).

2)Switch the ignition OFF.

3)Switch the ignition ON (engine off or on) again.

(2)Clear the DTC. (See CLEARING DTC.)

(3)Install the owner’s manual data using the diagnostic assist function.

Note

• For the owner’s manual data installation method, refer to (MAZDA CONNECT DIAGNOSTIC ASSIST FUNCTION [CONNECTIVITY MASTER UNIT]).