Toyota Corolla (E120): Shift solenoid ”a” control circuit low/high

Dtc p0973 shift solenoid ”a” control circuit low (shift solenoid valve s1)

Dtc p0974 shift solenoid ”a” control circuit high (shift solenoid valve s1)

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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 ...

Basic Audio Operations
Basic audio operations and functions common to each mode are explained in this section. Operating the multimedia system Random playback Select to change on/off. Repeat play Select to change on/off. ■Using cellular phones Interference may be heard through the multimedia system' ...

Inspection procedure
1 Input signal check See input signal check on page 05–745. check the indicator light operation when each of the set/ coast, resume/accel and cancel is turned on. Ok: set/coast, resume/accel switch: the signals shown in the table on the left should be output when each switch is ...