1. Remove the trunk lid trim. (See TRUNK LID TRIM REMOVAL/INSTALLATION)
2. Disconnect the trunk compartment light switch connector.
3. Inspect for continuity between the trunk compartment light switch terminals using an ohmmeter.


Trunk compartment light bulb removal/installation
Courtesy light bulb removal/installationMazda 6 Service Manual: Fuse Panel Description
Fuse block (Engine compartment)
*Some models.
Fuse block (Left side)
*Some models. ...
Mazda 6 Service Manual: Relay inspection
Relay Type
Four-terminal
Type A
1. Remove the relay.
2. Inspect for continuity between the relay terminals using an ohmmeter.
If not as specified, replace the relay.
Type B
1. Remove the relay.
2. Inspect for continuity between the relay terminals using an ohmmeter.
If not as ...