Inspection Procedure
- CHECK SRS WARNING LIGHT
- Turn the ignition switch ON, and check the SRS warning light condition.
OK:
The SRS warning light does not come on.
NG: Go to step 9
OK: Go to next step
- Turn the ignition switch ON, and check the SRS warning light condition.
- CHECK PASSENGER AIRBAG ON/OFF INDICATOR CONDITION
- Turn the ignition switch ON.
- Check if the passenger airbag ON / OFF indicator correctly indicates the front passenger seat condition.
OK
FRONT PASSENGER SEAT CONDITIONFront Passenger Seat Condition ON Indicator OFF Indicator Adult is seated ON OFF Child is seated OFF ON Vacant OFF OFF Occupant classification system failure OFF ON
OK: END
NG: Go to next step
- PERFORM ZERO POINT CALIBRATION
- Turn the ignition switch OFF.
- Connect the Techstream to the DLC3.
- Turn the ignition switch ON.
- Using the Techstream, perform the zero point calibration (see INITIALIZATION
).
OK:
"Zero Point Calibration is complete." is displayed.
NG: Go to step 5
OK: Go to next step
- PERFORM SENSITIVITY CHECK
- Using the Techstream, perform the sensitivity check (see INITIALIZATION
).
Standard value:
27 to 33 kg (59.52 to 72.75 lb)
NG: Go to step 5
OK: END
- Using the Techstream, perform the sensitivity check (see INITIALIZATION
).
- RETIGHTEN FRONT SEAT ASSEMBLY RH BOLT
- Turn the ignition switch OFF.
- Loosen the 4 installation bolts of the front seat RH.
- Tighten the 4 installation bolts of the front seat RH to the specified torque (see INSTALLATION
).
Torque: 37 N*m {377 kgf*cm, 27 ft.*lbf}
- PERFORM ZERO POINT CALIBRATION
- Connect the Techstream to the DLC3.
- Turn the ignition switch ON.
- Using the Techstream, perform the zero point calibration (see INITIALIZATION
).
OK:
"Zero Point Calibration is complete." is displayed.
NG: Go to step 8
OK: Go to next step
- PERFORM SENSITIVITY CHECK
- Using the Techstream, perform the sensitivity check (see INITIALIZATION
).
Standard value:
27 to 33 kg (59.52 to 72.75 lb)
NG: Go to step 8
OK: END
- Using the Techstream, perform the sensitivity check (see INITIALIZATION
).
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Check that the connectors are properly connected to the occupant classification ECU and the 4 occupant classification sensors.
OK:
The connectors are connected.
- Disconnect the connectors from the occupant classification ECU and the 4 occupant classification sensors.
- Check that the connectors are not damaged or deformed.
OK:
The connectors are normal.
NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
OK: Go to next step
- CHECK FOR DTC
- Connect the connectors to the occupant classification ECU and the 4 occupant classification sensors.
- Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
- Turn the ignition switch ON, and wait for at least 60 seconds.
- Turn the ignition switch OFF.
- Clear the DTCs (see DTC CHECK / CLEAR ).
- Turn the ignition switch ON, and wait for at least 60 seconds.
- Check the DTCs (see DTC CHECK / CLEAR
).
OK:
DTC is not output.
NG: REPLACE CENTER AIRBAG SENSOR ASSEMBLY
OK: Go to next step
- REPLACE OCCUPANT CLASSIFICATION ECU
- Turn the ignition switch OFF.
- Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
- Replace the occupant classification ECU (see REMOVAL ).
- PERFORM ZERO POINT CALIBRATION
- Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
- Connect the Techstream to the DLC3.
- Turn the ignition switch ON.
- Using the Techstream, perform the zero point calibration (see INITIALIZATION
).
OK:
"Zero Point Calibration is complete." is displayed.
- PERFORM SENSITIVITY CHECK
- Using the Techstream, perform the sensitivity check (see INITIALIZATION
).
Standard value:
27 to 33 kg (59.52 to 72.75 lb)
NEXT: END
- Using the Techstream, perform the sensitivity check (see INITIALIZATION
).