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:
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Read value of hand–held tester(front speed sensor)
Select the datalist mode on the hand–held tester.
check that there is no differe ...
Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability
control ecu and wheel speed
sensor. This sensor monitors a wheel rotation speed and sends the signal to the
ecu.
The stability control ecu converts these wheel speed signals into a 4–pulse
signal and outputs it to ...
Replacement
Hint: components:
1. Place front wheels facing straight ahead
2. Remove front wheels
3. Remove engine under cover lh
4. Remove engine under cover rh
5. Remove exhaust pipe
6. Drain transaxle oil
7. Remove hood sub–assy
8. Remove cylinder head cover no.2
9. Remove air cleaner assy
10. R ...


