Terminals Of Ecu

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

Check Instrument Panel Junction Block Assy (Body ECU)

Fig 1: Identifying ECU Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check the voltage or continuity between the terminals of the connectors.
  Standard:
  
  Fig 2: Terminal Numbers & Specified Condition Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the instrument panel J/B assy (body ECU) malfunctions.
Check Multiplex Network Door ECU Back (Back Door ECU)

Fig 3: Identifying Multiplex Network Door Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check the voltage or continuity between the terminals of the connectors.
  Standard:
  
  Fig 4: Terminal Voltage & Continuity Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the multiplex network door ECU back (back door ECU) malfunctions.