Toyota Corolla (E120): Circuit description
The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off when the ignition key is removed.
Wiring diagram
Other materials:
Terminals of ecu
1. Inspect integration relay
Disconnect the connector and check the continuity of each terminal of
the disconnected connector.
Standard :
If the result is not as specified, the vehicle’s side may malfunction.
Reconnect the connector and check each terminal.
Standard:
If ...
Diagnostics
Preparation
Sst
09816–30010
Oil pressure switch socket
Sfi system
09843–18040
Diagnosis check wire no.2
Sfi system
supplemental restraint
system
Recomended tools
09082–00040
Toyota electrical tester
Sfi system
supplemen ...
Warning light and warning buzzer list
*1: Parking brake engaged warning buzzer:
*2: Open door warning buzzer:
*3: Vehicles with a drive monitor display
*4: Vehicles with a multi-information display
*5: Driver’s seat belt buzzer:
Vehicles without a smart key system: The driver’s seat belt buzzer sounds to alert
the d ...