Toyota Corolla (E120): Components
Other materials:
Malfunction in clock
Wiring diagram
Inspection procedure
1 Inspect fuse
Check the continuity in cig fuse.
check the continuity in dome fuse.
2 Inspect harness or connector
Check voltage.
Remove the clock assy with connector still connected.
Measure voltage between ter ...
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 ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Identification of problem
11 Parts inspection
12 Repair
1 ...