Mazda RX-8 Workshop Manual page 2923

If there is any malfunction, replace the seat belt.
Seat Bert Lock Release
1. With the front seat belts unbuckled, close all the doors (door switch off).
2. Open either one of the front doors, then press the door switch by hand (door switch off).
3. When releasing the door switch (door switch on), confirm on both sides that the operation
sound of the lock release solenoids is heard.
If there is any malfunction, inspect the following parts:
4. With the front seat belts unbuckled, open all the doors (door switch on).
5. When either one of driver-side or passenger-side seat belts is buckled (front buckle switch
on), confirm that the operation sound of the lock release solenoid is heard for the buckled seat
belt (lock release solenoid off).
If there is any malfunction, inspect the following parts:
Lock release solenoid (See
INSPECTION.)
Door switch (See DOOR SWITCH
Keyless control module (without advanced keyless entry and
start system) (See KEYLESS CONTROL MODULE INSPECTION
[WITHOUT ADVANCED KEYLESS ENTRY AND START SYSTEM
].)
Door lock control module (with advanced keyless entry and
start system) (See DOOR LOCK CONTROL MODULE
INSPECTION [WITH ADVANCED KEYLESS ENTRY AND START
SYSTEM].)
Lock release solenoid (See
INSPECTION.)
LOCK RELEASE SOLENOID
INSPECTION.)
LOCK RELEASE SOLENOID