Toyota Corolla (E120): Circuit description
This is the power source of the ecu, hence the actuators.
Wiring diagram
Other materials:
Brake
Preparation
Sst
Recomended tools
Equipment
Lubricant
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System description
The ecm uses signals from the vehicle speed sensor and crankshaft position
sensor to detect the actual
gear position (1st, 2nd, 3rd or o/d gear).
Then the ecm compares the actual gear with the shift schedule in the ecm memory
to detect the mechanical
trouble of the shift solenoid valves, th ...