Inspection Procedure
- CHECK DTC
- Turn the ignition switch to the ON position.
- Clear the DTCs stored in memory (See DTC CHECK / CLEAR
).
HINT:
First clear DTCs stored in the occupant classification ECU and then in the center airbag sensor assembly.
- Turn the ignition switch to the LOCK position, and wait for at least 10 seconds.
- Turn the ignition switch to the ON position.
- Check the DTCs (See DTC CHECK / CLEAR
).
OK:
DTC B1796 is not output.
HINT:
Codes other than DTC B1796 may be output at this time, but they are not related to this check.
OK: USE SIMULATION METHOD TO CHECK
NG: Go to next step
- REPLACE OCCUPANT CLASSIFICATION ECU
- Turn the ignition switch to the LOCK position.
- Disconnect the negative (-) terminal cable from the battery.
- Replace the occupant classification ECU (See REMOVAL
).
HINT:
Perform the inspection using parts from a normal vehicle if possible.
NEXT: Go to next step
- PERFORM ZERO POINT CALIBRATION
- Connect the negative (-) terminal cable to the battery.
- Connect Techstream to the DLC3.
- Turn the ignition switch to the ON position.
- Using Techstream, perform "Zero point calibration" (See INITIALIZATION
).
OK:
The "COMPLETED" is displayed.
NEXT: Go to next step
- PERFORM SENSITIVITY CHECK
- Using Techstream, perform "Sensitivity check" (See INITIALIZATION
).
Standard values:
27 to 33 kg (59.52 to 72.75 lb)
NEXT : END
- Using Techstream, perform "Sensitivity check" (See INITIALIZATION
).