Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Idle signal circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect terminal voltage(idl)

- Remove the cruise control ecu assy with connector still connected.
- disconnect the ecm connector.
- turn the ignition switch to on.
- measure voltage between terminal 13 (idl) of cruise control
ecu assy connector and body ground when the
throttle valve is fully closed and fully opened.
Ok:



2 Check harness and connector(between cruise control ecu assy and ecm)
- Check for open and short circuit in harness and connector between cruise control ecu assy and ecm


Check and replace cruise control ecu assy
Other materials:
Changing engine switch modes
Modes can be changed by pressing the engine switch with the brake pedal (continuously
variable transmission) or clutch pedal (manual transmission) released. (The mode
changes each time the switch is pressed.)
► Vehicles without a multi-information display
Off*
The emergency flashers ca ...
Contact/Call History Settings
The contact can be transferred from a Bluetooth® phone to the system.
The contact also can be added, edited and deleted.
The call history can be deleted and contact and favorites can be changed.
1 Display the “Phone/Message Settings” screen. 2 Select “Contact/Call History
Settings”.
3 ...
Circuit description
Refer to dtc c0200/31, c0205/32, c1235/35, c1236/36
Hint:
Dtc no. C0210/33, c1238/38 is for the right rear speed sensor.
Dtc no. C0215/34, c1239/39 is for the left rear speed sensor.
Wiring diagram
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