Terminals Of Ecu

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

CHECK POWER WINDOW REGULATOR MASTER SWITCH

Fig 1: Identifying Power Window Regulator Master Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the D8 switch connector.
2. Measure the voltage and resistance of the wire harness side connector.
  Standard:
  
  Fig 2: Voltage & Resistance Of Wire Harness Side Connector Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
3. Reconnect the D8 switch connector.
4. Reset the power window motor (see INITIALIZATION ).
5. Measure the voltage of the connector.
  Standard:
  
  Fig 3: Power Window Regulator Master Switch Voltage Specification Table (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Power Window Regulator Master Switch Voltage Specification Table (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the master switch may have a malfunction.
6. Check that the AUTO lamp illuminates.
  1. When the ignition switch is turned from OFF to ON with the connector connected, check that the AUTO lamp illuminates (green).
CHECK INSTRUMENT PANEL J/B ASSY (MULTIPLEX NETWORK BODY ECU)

Fig 5: Checking Instrument Panel J/B Assy (Multiplex Network Body ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the B6, B7 and B8 ECU connectors.
2. Disconnect the 2D, 2F and 2M J/B connectors.
3. Measure the voltage and resistance of the wire harness side connectors.
  Standard:
  
  Fig 6: Measuring Voltage & Resistance Specification Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side.
4. Reconnect the B6, B7 and B8 ECU connectors.
5. Reconnect the 2D, 2F and 2M J/B connectors.
6. Measure the voltage of the connector.
Standard:

Fig 7: Measuring Voltage Specification Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the J/B assy (multiplex network body ECU) may have a malfunction.