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:
System description
The ecm uses the signals from the throttle position sensor, air–flow meter
and crankshaft position sensor
to monitor the engagement condition of the lock–up clutch.
Then the ecm compares the engagement condition of the lock–up clutch with the
lock–up schedule in the
ecm memory to de ...
On–vehicle inspection
1. Connect hand–held tester:
connect the hand–held tester to the dlc3.
start the engine and run it at idle.
select the active test mode on the hand–held tester.
Hint:
please refer to the hand–held tester operator’s manual for further details.
2. Inspect actua ...
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 ...