Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Idle signal circuit
Toyota Corolla (E120): Idle signal circuit
Dtc 51 idle signal circuit
Other materials:
Ecm/pcm processor
Dtc p0606 ecm/pcm processor
Monitor description
The ecm continuously monitors its internal circuits. This self–check insures
that the ecm is functioning properly.
If a malfunction is detected, the ecm will set the appropriate dtc and
illuminate the mil.
The two cpus, main and sub cpu i ...
Circuit description
The park/neutral position switch detects the shift lever position and sends
signals to the ecm.
Monitor description
The park/neutral position switch detects the gearshift position and sends a
signal to the ecm.
For security, the park/neutral position switch detects the gearshift positio ...
Circuit description
The speed sensor detects wheel speed and transmits the appropriate
signals to the ecu. These signals are used for control
of the abs control system. Each of the front and rear rotors has
48 serrations.
When the rotors rotate, the magnetic field generated by the permanent
magnet in the spe ...


