Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Ecu power source circuit / Circuit description
Toyota Corolla (E120): Circuit description
The cruise control ecu assy power source supplies power to the actuator and sensors, etc., When terminal gnd and the case of the cruise control ecu assy are grounded.
Wiring diagram

Other materials:
Circuit description
When driving uphill under cruise control, in order to reduce the number of
shifting due to on–off overdrive
operation and to provide smooth driving, when down shifting in the
electronically controlled transmission occurs,
a signal to prevent upshift until the end of the uphill slope is sent ...
Pre–check
1. Diagnosis system
Release the parking brake lever.
check the warning lights.
When the ignition switch is turned on, check that the abs
warning light and brake warning light goes on for 3 sec.
Hint:
when the parking brake is applied or the level of the brake
fluid is low, the ...
Overhaul
1. Remove bench type rear seat cushion assy
Disengage the 2 clamps, and then remove the seat cushion.
2. Remove separate type rear seat back assy
lean the seat back forward.
remove the 2 clips.
remove the 2 bolts and seat back lh.
employ the same manner describ ...


