Toyota Corolla (E120): Ecu power source circuit

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Inspection procedure
1 Check ignition or starter switch assy Check the ignition switch, as shown in the illustration and table. Standard: 2 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 3 Check relay (m ...

Trunk
The trunk can be opened using the trunk opener, entry function or wireless remote control or key. WARNING Observe the following precautions. Failure to do so may result in death or serious injury. ■Before driving Make sure that the trunk lid is fully closed. If the trunk lid is not fully clos ...

Key confinement prevention function does not work properly (unlock warning switch circuit)
Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...