Toyota Corolla (E120): Components

Other materials:
Circuit description
Monitor description
The ecm commands gearshift by turning the shift solenoid valves ”on/off”.
When there is an open or short
circuit in any shift solenoid valve circuit, the ecm detects the problem and the
mil comes on. Illuminating
the mil, the ecm performs the fail–safe and turns ...
Circuit description
The camshaft position sensor (g22+ signal) consists of a magnet, iron core
and pickup coil.
The g22+ signal plate has 3 teeth on its outer circumference and is installed on
the camshaft timing pulley.
When the camshafts rotate, the protrusion on the signal plate and the air gap on
the pi ...
Inspection procedure
1 Inspect stop lamp switch assy
2 Check harness and connector(stop lamp switch assy – ecm)
Install the stop lamp switch assy.
disconnect the ecm connector.
measure the voltage according to the value(s) in the table
below when the brake pedal is depressed and rele ...


