Toyota Yaris: SRS Air Bags / Supplemental Restraint System Components

- Side and curtain inflators and air bags
- Side crash sensors
- Driver/Front passenger inflators and air bags
- Air bag/seat belt pretensioner system warning light
- Roll-over sensor, crash sensors, and diagnostic module (SAS unit)
- Front passenger air bag deactivation indicator light
- Front air bag sensors
- Seat belt pretensioners
- Front passenger occupant classification sensor
- Front passenger occupant classification module
The front and side supplemental restraint systems (SRS) include different
types of air bags. Please verify the different types of air bags
which are equipped on your vehicle by locating the “SRS AIRBAG”
location indicators...
Your Toyota is equipped with the following types of SRS air
bags. SRS air bags are designed to work together with the seat
belts to help to reduce injuries during an accident...
Other information:
HOW TO CONNECT OR DISCONNECT AIRBAG CONNECTOR PROCEDURE 1. TYPES OF AIRBAG CONNECTOR (a) Types of Connector TYPE Shape (Example) Pull Up Type
2-Step Lock Type
Slide Lock Type
2. DISCONNECT OR CONNECT AIRBAG CONNECTOR (for Pull Up Type) (a) Disconnect the connector...
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply)
Insufficient compression
Changes in load from another system
Ignition system
Spark plug
Ignition coil assembly
Fuel system
Direct fuel injector assembly
Port fuel injector assembly
Fuel pump assembly (for high pressure side)
Fuel pump (for low pressure side)
Fuel pump control circuit
Fuel line
Purge VSV system
Fuel quality (existence of foreign matter, degradation)
Intake and exhaust systems
Mass air flow meter sub-assembly
Intake system
(Air leaks or deposit accumulation)
Throttle body with motor assembly
Air fuel ratio sensor (sensor 1)
Air fuel ratio sensor (sensor 2)
Cam timing oil control solenoid assembly
Variable Valve Timing system (VVT system)
Other control systems
ECM
Wire harness or connector
Knock control sensor
Engine coolant temperature sensor
Engine
Water control valve
Engine assembly
Engine mount
High load from another system
Air conditioning system
Power steering system
Electrical load signal system
SYMPTOM AND CAUSE OF SYSTEM MALFUNCTION HINT: The following are descriptions of the characteristics of each system malfunction...
Categories
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait
for
any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness
if
ingested. Fuel spray is released when there is pressure in the fuel tank and
the fuel-filler cap is removed too quickly.
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