Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Evaporative emission control
system leak detected
Toyota Corolla (E120): Evaporative emission control system leak detected
Dtc p0442 evaporative emission control system leak detected (small leak)
Dtc p0456 evaporative emission control system leak detected (very small leak)
Other materials:
Replacement
1. Remove combination meter assembly
2. Disconnect brake master cylinder push rod clevis
remove the clip and push rod clevis pin and wave washer, and
disconnect the push rod clevis from
the brake pedal.
3. Remove brake pedal support sub–assy
Remove the bolt from the bra ...
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 ...
No sound is heard from speaker in all modes
Wiring diagram
Inspection procedure
1 Check lcd (liquid crystal display) for lighting
Lcd illumination check
turn the ignition switch acc.
Turn the radio receiver assembly on.
Standard: lcd illumination of the radio receiver assembly light.
2 Control fader and ...


