Driver-side
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1 min or more
..
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 front buckle.

Passenger-side (with buckle switch)
1. Since the buckle switch cannot be inspected separately, perform air bag DTC inspection.
(See DTC B0052:09/B0052:11/B0052:14 [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)
Air Bag Module And Pre Tensioner Seat Belt Disposal Procedures [Two Step Deployment
Control System]
Front Buckle Removal/InstallationNon Return Valve Inspection
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring ...
Tire Pressure Monitoring System Warning Light
Purpose, Function
The tire pressure monitoring system warning light notifies the driver that
it was determined that a tire pressure has decreased below the specified value
based on the initialization.
The tire pressure monitoring system warning light notifies the driver that
...
Liftgate Latch And Lock Actuator Inspection
The following actuator and switch are integrated with the liftgate latch
and lock actuator.
From the actuator/switch name and operation in the following table, select
the actuator or switch to be inspected, and perform the inspection following
the inspection procedure desc ...