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:
Circuit description
Monitor description
The ecm commands gearshift by turning the shift solenoid valves ”on/off”.
When there is an open or short
circuit in any shift solenoid valve circuit, the ecm detects the problem and the
mil comes on. Illuminating
the mil, the ecm performs the fail–safe and turns ...
Tire inflation pressure
Checking the specified
tire inflation pressure
The recommended cold tire
inflation pressure and tire size
are displayed on the tire and
loading information label.
Inspection and adjustment
procedure
Tire valve
Tire pressure gauge
1. Remove the tire valve cap.
2. Press the tip of the tire pres ...
Noise occurs
Inspection procedure
1 Check of speaker installation
Check speaker installation condition.
Check that each speaker is securely installed.
Standard: malfunction disappear.
Hint:
the radio is equipped with noise prevention system that does not work against
the regular use of t ...


