Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW REGULATOR MASTER SWITCH (DRIVER'S DOOR ECU)

Fig 1: Identifying Power Window Regulator Master Switch (Driver Door ECU) Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the D17 master switch connector.
2. Check the continuity and voltage of each terminal of the disconnected connector.
  Standard:
  
  Fig 2: Driver Door ECU Test Specification Table (Disconnected Connector)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Reconnect the master switch connector.
4. Check the voltage of each terminal of the connector.
  Standard:
  
  Fig 3: Driver Door ECU Test Specification Table (Connected Connector)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK DRIVER SIDE JUNCTION BLOCK ASSY (BODY ECU) (LEFT SIDE)

Fig 4: Identifying Driver Side Junction Block Assy (Body ECU Left Side) Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the B4 body ECU connector.
2. Check the continuity of the terminal of the disconnected connector.
  Standard:
  
  Fig 5: Driver Side Junction Block Assy. (Left Side) Specified Conditions Table (Disconnected Connector)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Reconnect the B4 body ECU connector.
4. Check the voltage of each terminal of the connector.
  Standard:
  
  Fig 6: Driver Side Junction Block Assy. (Left Side) Continuity Table (Connected Connector)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK DRIVER SIDE JUNCTION BLOCK ASSY (BODY ECU) (REAR SIDE)

Fig 7: Identifying Driver Side Junction Block Assy (Body ECU Rear Side) Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the 2B, 2F and 2G driver side J/B connectors.
2. Check the continuity and voltage of each terminal of the disconnected connectors.
  Standard:
  
  Fig 8: Driver Side Junction Block Assy (Body ECU Rear Side) Specified Conditions Table (Disconnected Connectors)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Reconnect the connectors, and check continuity and voltage of each terminal of the connectors.
  Standard:
  
  Fig 9: Driver Side Junction Block Assy (Body ECU Rear Side) Continuity Table (Connected Connectors)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002