Inspection Procedure

NOTE: When the seat belt control ECU is replaced with a new one, INITIALIZATION must be performed. (See INITIALIZATION )

CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)
1. Delete the DTC (See DTC CHECK / CLEAR ).
2. Recheck for DTC.
  OK: DTC U0126 is not output.
NG: GO TO CAN COMMUNICATION

OK: Go to Next step
CHECK DTC OUTPUT (BRAKE CONTROL SYSTEM)
1. Delete the DTC (See DTC CHECK / CLEAR ).
2. Recheck for DTC.
  OK: DTC C1231 is not output.
NG: GO TO BRAKE CONTROL -- IS250/IS350

OK: Go to Next step
CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)
1. Delete the DTC (See DTC CHECK / CLEAR ).
2. Recheck for DTC.
  OK: DTC B2058 is not output.
NG: REPLACE SEAT BELT CONTROL ECU

OK: USE SIMULATION METHOD TO CHECK