Toyota Corolla (E120) 2002–2008 Repair Manual / Clutch / Clutch start switch assy (mtm) / On–vehicle inspection
Toyota Corolla (E120): On–vehicle inspection
1. Check clutch start system

- Check that the engine does not start when the clutch pedal is released.
- check that the engine starts when the clutch pedal is fully depressed.
If necessary, replace the clutch start switch assy.
Other materials:
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Diagnostic trouble code chart
Hint:
when the srs warning light remains lit up and the dtc is the normal
code, this means a voltage source
drops.
This malfunction is not stored in memory by the airbag sensor assy center
and if the power source
voltage returns to normal, the srs warning light will autom ...
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 connectors between the airbag sensor
assy center and the instrument panel ...


