Toyota Corolla (E170): Maintenance and care

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Cd sound skips
Inspection procedure 1 Disc cleaning Disk cleaning ) if the disk gets dirty, clean the disk by wiping the surface from the center to outside in the radial directions with a soft cloth. Notice: do not use a conventional record cleaner or anti–static preservative. Standard: ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...

On–vehicle inspection
1. Inspection throttle body idle speed control valve assy Notice: it is impossible to check the resister value and the operation of isc valve by itself, because the isc valve has an ic circuit inside it, which transforms the duty signal from the ecm to the derive signal. After check ...