Mazda 3 Service Manual: Buckle Switch Inspection

Mazda 3 Service Manual / Restraints / Buckle Switch Inspection

Driver Side

1. Switch the ignition to off.

2. Disconnect the negative battery cable..

3. Remove the front seat..

4. Remove the front buckle..

5. Inspect for continuity between the buckle switch terminals using a tester.

If not as indicated in the table, replace the driver side front buckle.

Passenger Side

1. Connect the M-MDS (IDS) to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the IDS.

a. Select “DataLogger”.

b. Select “Modules”.

c. Select “RCM”.

3. Verify that it is displayed according to the table using “BUCKLE_P”.


M-MDS display	Operation Status
Unbuckled	Passenger-side front seat belt not fastened
Buckled	Passenger-side front seat belt fastened

If not as indicated in the table, replace the passenger side front buckle.

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