Toyota Corolla (E120) 2002–2008 Repair Manual / Cooling / Thermostat
Toyota Corolla (E120): Thermostat
Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove fan and generator v belt

4. Remove generator assy

- Disconnect the wire clamp from the wire clip on the rectifire end frame.
- remove the rubber cap and nut, and disconnect the alternator wire.
- disconnect the alternator connector.

- Remove the 2 bolts and alternator.
5. Remove water inlet
6. Remove thermostat
7. Install thermostat

- Install a new gasket to the thermostat.
- install the thermostat with the jiggle valve upward as shown in the illustration.
8. Install water inlet
Torque: 11 nvm (113 Kgf·cm, 8 ft·lbf)
9. Install generator assy
Torque:
12mm head 25 nvm (250 Kgf·cm, 18 ft·lbf)
14mm head 54 nvm (550 Kgf·cm, 39 in.Vlbf)
10. Add coolant
11. Check engine coolant leak
Other materials:
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
Audio system types
► Without Multimedia system
► With Multimedia system
► With navigation system
Owners of models equipped with a navigation system should refer to the “Navigation
System Owner's Manual”.
■Using cellular phones
Interference may be heard through the audio system ...
Data list/active test
1. Data list
Hint:
using the data list displayed by the hand–held tester or the obd ii scan tool,
you can read the value of
the switches, sensors, actuators and so on without parts removal. Reading the
data list as a first step
of troubleshooting is one method to shorten diagnostic time.
...


