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 DRIVER DOOR ECU
1. Disconnect the ECU connectors D17, D18 and D19.
2. Check the voltage and continuity of each terminal of the vehicle's side connector.
  
  Fig 1: Identifying Driver Door ECU Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 2: Driver Door ECU Pin-Out Chart (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, there may be a malfunction at the vehicle's side.
3. Connect the connector, and inspect the voltage between each terminal of the connector.
  Standard:
  
  Fig 3: Driver Door ECU Pin-Out Chart (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, the driver door ECU or communication line may be defective.
INSPECT PASSENGER DOOR ECU
1. Disconnect the door ECU connectors P9, P10 and P11.
2. Inspect the voltage and continuity of each terminal of the vehicle's side connector.
  
  Fig 4: Identifying Passenger Door ECU Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 5: Passenger Door ECU Pin-Out Chart (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, there may be a malfunction at the vehicle's side.
3. Connect the connector, and inspect the voltage between each terminal of the connector.
  Standard:
  
  Fig 6: Passenger Door ECU Pin-Out Chart (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the value is not as specified, the passenger door ECU or communication line may be defective.