Toyota Corolla (E120): Inspection procedure
1 Check source voltage
- Measure the voltage of the battery.
Ok: voltage: 10 – 14 v
2 Check air bag sensor assy center
- Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- disconnect the connectors from the airbag sensor assy center.
- connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
- turn the ignition switch to on.
- check srs warning light light up in the combination meter assy.
Ok: not srs warning light light up
3 Check wire harness(combination meter assy – airbag sensor assy center)
- Turn the ignition switch to lock.
- disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- disconnect the connector from the combination meter.
- Connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
- turn the ignition switch to on.
- for the connector (on the airbag sensor assy center side)
between the airbag sensor assy center and the combination
meter, measure the voltage between la and body
ground.
Ok: voltage: below 1 v
Repair or replace combination meter assy or wire harness between combination meter assy and battery
Other materials:
Precaution
Caution:
replace the faulty parts of the seat belt systems (outer belt, inner belt,
bolts, nuts, adjustable shoulder
anchor, tether anchor hardware, sill–bar, etc.).
Seat belt systems not in use at the time of a collision should also be inspected
and replaced if found
to be damaged or wo ...
Seat heaters
Press the switch.
1 High temperature
2 Low temperature
The indicator light comes on when the switch is on.
■The seat heaters can be used when
► Vehicles without a smart key system
The engine switch is in the “ON” position.
►Vehicles with a smart key system
The engine ...
Circuit description
A thermistor is built in the engine coolant temperature sensor and changes
the resistance value according
to the engine coolant temperature.
The structure of the sensor and connection to the ecm is the same as those of
the intake air temperature
sensor.
Hint:
if the ecm detects the dtc ...