Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Procedure
- CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?Β
YES: GO TO 2.
NO: Replace harness connectors.
- CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?Β
YES: GO TO 3.
NO: Replace wiring harness.
- REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
- Replace air bag diagnosis sensor unit. Refer to "EXPLODED VIEW ".
- Perform DTC confirmation procedure. Refer to "DTC LOGICΒ ".
Is DTC detected?Β
YES: GO TO 4.
NO: INSPECTION END
- REPLACE OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT AND SENSOR
- Replace seat cushion frame. Refer to "EXPLODED VIEW ".
- Perform DTC confirmation procedure. Refer to "DTC LOGICΒ ".
Is DTC detected?Β
YES: GO TO Β 1.
NO: INSPECTION END
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.