Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Stop light switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
When the brake pedal is depressed, the stop lamp switch assy sends a signal to the cruise control ecu assy.
When the cruise control ecu assy receives this signal, it cancels the cruise control.
A fail–safe function is provided so that cancel functions normally, even if there is a malfunction in the stop light switch circuit.
The cancel conditions are: battery positive voltage at terminal stp–.
When the brake pedal is depressed, normal battery positive voltage normally is applied through the stop fuse and stop lamp switch assy to terminal stp– of the cruise control ecu assy, and the cruise control ecu assy turns the cruise control to off.
If the harness connected to terminal stp– has an open circuit, terminal stp– will have battery positive voltage and the cruise control will be turned off.
Also, when the brake pedal is depressed, the magnetic clutch circuit is cut mechanically by the stop lamp switch assy, turning the cruise control off.
Wiring diagram
Other materials:
When using a child
restraint system
■ When installing a child
restraint system to a front
passenger seat
For the safety of a child, install a
child restraint system to a rear
seat. When installing a child
restraint system to a front passenger
seat is unavoidable,
adjust the seat as follows and
install the child restraint system:
M ...
Replacement
1. Remove hood sub–assy
2. Remove cylinder head cover no.2
3. Remove battery
4. Remove battery carrier
Remove the 4 bolts and battery carrier.
5. Remove air cleaner assembly with hose
6. Remove floor shift cable transmission control shift
Remove the nut from the control shaf ...
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2 Select “Add”.
3 When this screen is displayed, search for the device name displayed on this
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