Toyota Corolla (E120): Inspection procedure
1 Check connector
- Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- check the connection of the combination meter connector and the
airbag sensor assy center connectors.
Ok: the connectors are connected.
2 Check combination meter assy
- 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, and wait at least for 6 seconds.
- measure the voltage between sw and body ground.
Ok: voltage: above 8 v
3 Check instrument panel wire(airbag sensor assy center–combination meter assy)
- 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 airbag sensor assy center.
- measure the resistance between la and body ground.
Ok: resistance: 1mΩ or higher
Replace air bag sensor assy center
4 Check instrument panel wire(airbag sensor assy center–combination meter assy)
- For the connector (on the airbag sensor assy center side)
between the combination meter and the airbag sensor
assy center, measure the resistance between sw and
la.
Ok: resistance: below 1 Ω
Replace air bag sensor assy center
Srs warning light circuit malfunction (does not light
up, when ignition switch is turned to on)
Other materials:
On–vehicle inspection
1. Inspect turn signal flasher relay circuit
Disconnect the connector from the turn signal flasher
relay and inspect the connector on wire harness side as
shown in the chart.
Standard:
Connect the connector to the turn signal flasher and inspect
the wire harness side connector ...
Using the voice command system (Multimedia system)
Voice command system
The voice command system enables the hands-free system to be operated using
voice commands.
Operations of the voice command system can be performed by selecting the menu
corresponding to each function on the screen. Even if any menu is selected, commands
displayed on all ...
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emission
control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission cont ...