Toyota Corolla (E120): Idle signal circuit

Dtc 51 idle signal circuit

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Listening to an iPod
Connecting an iPod enables you to enjoy music from the vehicle speakers. Select “iPod” on the audio source selection screen. When the iPod connected to the system includes iPod video, the system can only output the sound by selecting the browse screen. Connecting an iPod Audio control scre ...

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 ...

Inspection
1. Inspect inner rear view mirror assy Inspect the electro chromic inner mirror operation.  Connect the positive (+) lead from the battery to terminal 1 and negative (–) lead to terminal 2. ) Attach black colored tape to the forward sensor to prevent it from sensing. &nb ...