tC L4-2.4L (2AZ-FE) (2005)
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Audible Warning Device: Description and Operation
Key Reminder
System Outline
Current is always applied from the ECU-B fuse to TERMINAL 3 of the combination meter. When the ignition SW is turned to ON position, the current
from the MET IG2 fuse flows to TERMINAL 4 of the combination meter.
Key Reminder System
When the driver door is opened with the ignition SW off and ignition key remaining in the key cylinder (Unlock warning SW on), a signal is input from
the unlock warning SW to TERMINAL 7 of the combination meter, and from the door courtesy SW (Driver's side) to TERMINAL 8 of the combination
meter. As a result, the buzzer in the combination meter goes on and warns the driver that the key is remaining in the key cylinder.
