PRECAUTION FOR OPERATION CHECK
CAUTION:
Use the correct procedure to replace the airbag parts.
CHECK SRS WARNING LIGHT
Primary check
Turn the ignition switch to ON and check that the SRS warning light comes on.
Turn the ignition switch off. Wait for at least 2 seconds, then turn the ignition switch to ON. The SRS warning light comes on for approximately 6 seconds and diagnosis of the airbag system is performed.
Note
Turn the ignition switch off when the battery is connected.
Tech Tips
If the SRS warning light remains on for approximately 6 seconds or more after the ignition switch has been turned to ON, there may be a malfunction in the SRS airbag system.
If the SRS warning light occasionally turns on approximately 6 seconds or more after the ignition switch has been turned to ON, there may be a short to +B, short to ground or an open in the SRS warning light circuit.
If the SRS warning light illuminates after turning the ignition switch off or to ACC, there may be a malfunction in the power source circuit or combination meter assembly.
The SRS warning light turns off, and then turns on. This blinking pattern indicates a power source voltage drop. The SRS warning light turns off 10 seconds after the power source voltage returns to normal.
FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR (w/ Occupant Classification System)
Initial check
Turn the ignition switch to ON.
The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, then turns off for approximately 2 seconds.
Approximately 6 seconds after the ignition switch is turned to ON, the passenger airbag ON/OFF indicator will indicate ON/OFF depending on the following conditions.
| Front Passenger Seat Condition | Passenger Airbag ON/OFF Indicator | SRS Warning Light | |
|---|---|---|---|
| ON Indicator | OFF Indicator | ||
| Vacant | OFF | ON | OFF |
| Adult*1 is seated | ON | OFF | OFF |
| Child*2 is seated | ON or OFF*2 | OFF or ON*2 | OFF |
| Child restraint system is installed | OFF | ON | OFF |
| Occupant classification system failure | OFF | ON | ON |
*1: The system judges a person of average adult weight or more as an adult. If a smaller adult sits in the front passenger seat, the system may not recognize them as an adult depending on their physique and posture.
*2: The system may not recognize a child or a child in a child restrain system as a child depending on factors such as the positioning of the child restraint system or the child's physique or posture.
Tech Tips
The passenger airbag ON/OFF indicator illuminates based on the following timing chart in order to check the indicator light circuit.
When the occupant classification system is malfunctioning, both the SRS warning light and passenger airbag ON/OFF indicator ("OFF") come on. In this case, perform troubleshooting for the airbag system DTCs first.
PASSENGER AIRBAG ON/OFF INDICATOR CHECK (w/ Occupant Classification System)
Turn the ignition switch to ON.
Check that the passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then turns off for approximately 2 seconds.
Tech Tips
Refer to the indicator operation table in Function of Passenger Airbag ON/OFF Indicator for the passenger airbag ON/OFF indicator operation when the ignition switch is turned to ON and approximately 6 seconds elapse.
CHECK HORN BUTTON ASSEMBLY
CHECK INSTRUMENT PANEL PASSENGER AIRBAG ASSEMBLY
CHECK LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
CHECK LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (w/ Occupant Classification System)
CHECK FRONT SEAT AIRBAG ASSEMBLY
CHECK REAR SEAT AIRBAG ASSEMBLY (w/ Occupant Classification System)
CHECK CURTAIN SHIELD AIRBAG ASSEMBLY
CHECK FRONT SEAT OUTER BELT ASSEMBLY
CHECK REAR SEAT OUTER BELT ASSEMBLY
CHECK AIRBAG SENSOR ASSEMBLY
CHECK FRONT AIRBAG SENSOR
CHECK DOOR SIDE AIRBAG SENSOR
CHECK SIDE NO. 1 AIRBAG SENSOR
CHECK SIDE NO. 2 AIRBAG SENSOR
CHECK OCCUPANT DETECTION ECU (w/ Occupant Classification System)
CHECK HARNESS AND CONNECTOR
for Vehicle not Involved in Collision
Perform a diagnostic system check.
for Vehicle Involved in Collision and Airbag not Deployed
Perform a diagnostic system check.
for Vehicle Involved in Collision and Airbag is Deployed
Perform a diagnostic system check.
Check any of the wire harnesses in exposed contact with the airbag wire harness for damage.
Check the connector of the airbag wire harness for scratches, cracks or damage.