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/InstallationSteering Switch
Purpose, Function
Operation of the audio system and change of the instrument cluster display
can be changed are possible without a change in driving posture.
Construction
The steering switch is located on the spoke of the steering wheel.
The resistance is built into ea ...
Clock Spring Inspection [Two Step Deployment Control System]
1. Disconnect the negative battery cable and wait for 1 min or more..
2. Remove the driver?side air bag module..
3. Remove the steering wheel..
4. Remove the column cover..
5. Remove the clock spring..
6. Verify that the continuity is as indicated in the table.
If not as indicated ...
Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to the spark plug, which is amplified in the ignition coil internal
circuit and input to the PCM.
...