Front Impact Sensor

FRONT IMPACT SENSORS

Pre-removal Operation:

Removal Steps 1-2:

REMOVAL AND INSTALLATION

WARNING:
- Never repair or disassemble the front impact sensor. If faulty, replace it.
- Handle the front impact sensors very carefully, taking care not to drop them. They must be replaced if they are dropped.
- Replace the sensors with new ones after the air bag has deployed.

REMOVAL SERVICE POINT
[[A]]NEGATIVE (-) BATTERY CABLE DISCONNECTION

DANGER: Wait at least 60 seconds after disconnecting the battery cable before doing any further work.

WARNING: Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.




Disconnect the negative (-) battery cable from the battery and tape the terminal to prevent accidental connection and air bag(s) deployment.

INSTALLATION SERVICE POINTS

]]A[[PRE-INSTALLATION INSPECTION
when installing the new front impact sensor, refer to "INSPECTION."

]]B[[FRONT IMPACT SENSOR INSTALLATION

WARNING: The SRS may not activate properly if a front impact sensor is not installed properly, which could result in serious injury or death to the vehicle's driver.

1. Securely connect the connector.
2. Position the front impact sensor facing toward the front of the vehicle as indicated by the arrow on the label, and install it securely.

]]C[[POST-INSTALLATION INSPECTION
1. Connect the negative (-) battery cable.
2. Turn the ignition key to "ON" position.




3. Does the "SRS" warning light illuminate for approximately seven seconds, and go out?
4. If yes, the SRS system is functioning properly. If not, consult refer to SUPPLEMENTAL RESTRAINT SYSTEM (SRS) - SRS Warning Light Check.

INSPECTION

WARNING: If a dent, crack, deformation or rust is detected, replace with a new sensor.

NOTE: For checking of the front impact sensor other than described below, refer to the section concerning SRS diagnosis. Diagnostic Trouble Code Descriptions

1. Check the front impact sensor and bracket for dents, cracks or deformation.
2. Check the connector for damage, and terminals for deformation.
3. Check that there is no bending or corrosion in the radiator support panel.