Toyota Yaris: SRS Air Bags / Constant Monitoring
The following components of the air bag systems are monitored by a
diagnostic system:
- Crash sensors, and diagnostic module (SAS unit)
- Front air bag sensors
- Air bag modules
- Side crash sensors
- Air bag/Front seat belt pretensioner system warning light
- Front seat belt pretensioners
- Related wiring
- Front passenger air bag deactivation indicator light
- Front passenger occupant classification sensor
- Front passenger occupant classification module
The diagnostic module continuously monitors the system’s readiness.
This begins when the ignition is switched ON and continues while the
vehicle is being driven.
Your vehicle is equipped with a front passenger occupant classification
sensor as a part of the supplemental restraint system. This sensor is equipped
in the front passenger’s seat cushion...
Other information:
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
PROCEDURE 1. INSTALL KNOCK SENSOR (a) Install the knock sensor to the cylinder block sub-assembly with the bolt so that the knock sensor installation position is as shown in the illustration...
PARTS LOCATION ILLUSTRATION
*1 SEMICONDUCTOR POWER INTEGRATION ECU *2 NO. 1 ENGINE ROOM RELAY BLOCK - STD P/I NO. 1 FUSE - INP STD NO. 1-1 FUSE ILLUSTRATION
*1 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *2 POWER DISTRIBUTION BOX ASSEMBLY - ECU-IGR NO...
Categories
The front seat belt pretensioners are designed to deploy in moderate or
severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover
accident is detected. The pretensioners operate differently
depending on what types of air bags are equipped. For more details
about the seat belt pretensioner operation, refer to the SRS Air Bag
Deployment Criteria.
read more