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:
LTA (Lane Tracing Assist)
LTA functions
When driving on a road with
clear lane lines with the
dynamic radar cruise control
operating, lane lines and preceding
and surrounding vehicles
are detected using the
front camera and radar sensor,
and the steering wheel is
operated to maintain the vehicle's
lane position.
...
Monitor description
While the engine is being cranked, the battery positive voltage is applied to
terminal sta of the ecm.
If the ecm detects the starter control signal (sta) while the vehicle is
driving, it will conclude that there is
a fault in the starter control circuit. The ecm will turn on the mil and a d ...
Inspection
1. Thermostat
Hint:
the thermostat is numbered with the valve opening temperature.
Immerse the thermostat in water and gradually heat the
water.
check the valve opening temperature.
Valve opening temperature:
80 to 84 c (176 to 183 f)
Hint:
if the valve opening temperatur ...


