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:
Replacement
Hint: components:
1. Place front wheels facing straight ahead
2. Remove front wheels
3. Remove engine under cover lh
4. Remove engine under cover rh
5. Remove exhaust pipe
6. Drain transaxle oil
7. Remove hood sub–assy
8. Remove cylinder head cover no.2
9. Remove air cleaner assy
10. R ...
Data list/active test
1. Data list
Hint:
according to the data list displayed by the obd ii scan tool or hand–held
tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the
data list as the first step of
troubleshooting is one method to shorten labor time.
W ...
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector between the airbag sensor
assy center and the instrument panel ...