Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT THEFT WARNING ECU

Fig 1: Identifying Theft Warning ECU Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the T7 ECU connector, and check the voltage or continuity between each terminal of the wire harness side connector.
  Standard:
  
  Fig 2: Theft Warning ECU Terminals Reference Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the wire harness side may malfunction.
INSPECT TRANSPONDER KEY ECU
1. Disconnect the T13 ECU connector, and check the voltage or continuity between each terminal of the wire harness side connector.
  
  Fig 3: Identifying Transponder Key ECU Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard:

Fig 4: Transponder Key ECU Terminals Reference Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the wire harness side may malfunction.