Terminals Of Ecu

Check Instrument Panel Junction Block Assy (Body ECU)

Fig 1: Identifying Instrument Panel Junction Block Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check the voltage or continuity between the terminals of the connectors.
  Standard:
  
  Fig 2: Instrument Panel J/B Specifications 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 ECU Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check the voltage or continuity between the terminals of the connectors.
  Standard:
  
  Fig 4: Multiplex Network Door ECU Specifications Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the multiplex network door ECU back (back door ECU) malfunctions.