Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Clutch switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
When the clutch pedal is depressed, the clutch switch sends a signal to the cruise control ecu assy. When the signal is input to the cruise control ecu assy during cruise control driving, the cruise control ecu assy cancels the cruise control.
Wiring diagram

Other materials:
Inspection procedure
1 Check side air bag sensor assy rh
Sst 09843–18040
Connect the negative (–) terminal cable to the battery,
and wait at least for 2 seconds.
turn the ignition switch to on, and wait at least for 20 seconds.
clear the dtc stored in memory .
turn the ignition swi ...
Diagnostic trouble code chart
If a dtc is displayed during the dtc check, check the circuit listed in the
table below and proceed to the
page given.
* :● ... Mil light up
...
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 ...


