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:
Side mudguard sub–assy lh
Replacement
Hint:
use the same procedures for the rh side and lh side.
1. Remove side mudguard sub–assy lh
Using a clip remover, remove the 8 retainers and 9 clips.
using a moulding remover, remove the mudguard.
2. Install side mudguard sub–assy lh
Install the mudgu ...
Light control switch circuit
Wiring diagram
Inspection procedure
1 Check headlamp dimmer switch assy (light control switch)
2 Check wire harness (tvip ecu light control switch)
Disconnect the tvip ecu and light control switch connectors.
check the continuity between the terminals of the tvip
e ...
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alterna ...