Toyota Corolla (E120): Diagnosis system
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 ...
Overhaul
Notice:
when using a vise, do not over tighten.
When installing, coat the parts indicated by the arrows with power
steering fluid .
1. Remove front wheel rh
2. Drain power steering fluid
3. Remove engine under cover rh
4. Remove fan and generator v belt
5. Disconnect oil reservoir to ...
General information
There are many ecu controlled systems used in the corolla. In general, ecu
controlled system are considered
to be very intricate and require a high level of technical knowledge and expert
skill to troubleshoot.
The fact is, however, that if you proceed by inspecting the circuits one by one, ...


