STEP 3. Check the side impact sensor (Front: LH).
(1) Disconnect the negative battery terminal.
(2) Alternate the side impact sensor (Front: LH) and the side impact sensor (Front: RH), and then install the alternated sensor.
(3) Connect the negative battery terminal.
(4) Erase diagnostic trouble code from memory, and check the diagnostic trouble code.
Is diagnostic trouble code B1428 or B1429 set?
Replace the side impact sensor (Front: LH) with a new one (Refer to ). Go to Step 5. Go to Step 4