Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / O/d cancel signal circuit / Circuit description
Toyota Corolla (E120): Circuit description
While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions.
The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until these signals are discontinued.
Wiring diagram

Other materials:
Instrument panel
Engine switch
Starting the engine/changing the positions*1
Starting the engine/changing the modes*2
Emergency stop of the engine
When the engine will not start
Warning messages
Shift lever
Changing the shift position
Precautions for towing
When the shift lever does not move
Meters
Read ...
Rear view monitor system
The rear view monitor system assists the driver by displaying guide lines
and an image of the view behind the vehicle while backing up, for example while
parking.
The screen illustrations used in this text are intended as examples, and may
differ from the image that is actually displayed on t ...
Inspection
1. Thermostat
Hint:
the thermostat is numbered with the valve opening temperature.
Immerse the thermostat in water and gradually heat the
water.
check the valve opening temperature.
Valve opening temperature:
80 to 84 c (176 to 183 f)
Hint:
if the valve opening temperatur ...


