Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / Seat belt warning lamp for driver’s seat does not
operate
Toyota Corolla (E120): Seat belt warning lamp for driver’s seat does not operate
Wiring diagram

Inspection procedure
1 Check combination meter assy

- Ground terminal c9–12 on the combination meter side.
- check that the warning lightlights up.
Ok: warning light lights up.


2 Inspect front seat inner belt assy lh

- Disconnect the front seat inner belt assy.
- check continuity front seat inner belt assy.



Repair or replace harness or connector
Other materials:
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensio ...
Circuit description
The side airbag sensor assy (rh) circuit consists of the diagnosis circuit
and lateral deceleration sensor, etc.
It receives signals from the lateral deceleration sensor, judges whether or not
the srs must be activated,
and detects diagnosis system malfunction.
Dtc b1140/32 is recorded wh ...
Circuit description
The intake air temperature (iat) sensor, mounted on the mass
air flow (maf) sensor, monitors the intake air temperature. The
iat sensor has a thermistor that varies its resistance depending
on the temperature of the intake air. When the air temperature
is low, the resistance in the thermisto ...


