Toyota Corolla (E120): Inspection
1. Inspect defogger relay (marking: def)

- Remove the defogger relay from the instrument panel j/b.
- inspect the defogger relay.
Standard:

If the result is not as specified, replace the relay
Other materials:
Overhaul
Notice:
when using a vise, do not over tighten.
When installing, coat the parts indicated by the arrows with power
steering fluid .
1. Remove front wheel rh
2. Drain power steering fluid
3. Remove engine under cover rh
4. Remove fan and generator v belt
5. Disconnect oil reservoir to ...
Rear suspension
Preparation
Sst
Recomended tools
Equipment
Tire & wheel
Preparation
Equipment
...
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...


