LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Multiplex Communication System - Diagnosis) >> Terminals Of Ecu

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.
  1. CHECK DRIVER SIDE JUNCTION BLOCK ASSY (BODY ECU) (REAR SIDE) 
    1. Disconnect the 2B, 2E, 2F, and 2G J/B connectors.
    2. Check the voltage and continuity of each terminal of the wire harness side connectors.
    3. Fig 1: Identifying Driver Side Junction Block Assy (Rear Side) Connectors
      G01437551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard: 

    Fig 2: Connector Terminal Voltage And Continuity Specification Chart
    G01437552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    If the value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.

  2. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY (DRIVER DOOR ECU) 
    1. Disconnect the D17 switch connector.
    2. Fig 3: Identifying D17 Switch Connector Terminals
      G01437553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check the voltage and continuity of each terminal of the wire harness side connector.

    Standard: 

    Fig 4: D17 Connector Terminal Voltage And Continuity Specification Chart
    G01437554Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    If the value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.

  3. CHECK POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER DOOR ECU) 
    1. Disconnect the F13 switch connector.
    2. Fig 5: Identifying F13 Switch Connector Terminals
      G01437555Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check the voltage and continuity of each terminal of the wire harness side connector.

    Standard: 

    Fig 6: F13 Switch Connector Terminals Voltage And Continuity Specification Chart
    G01437556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    If the value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.

  4. CHECK THEFT WARNING ECU (THEFT DETERRENT ECU) 
    1. Disconnect the T6 ECU connector.
    2. Fig 7: Identifying T6 ECU Connector Terminals
      G01437557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check the voltage and continuity of each terminal of the wire harness side connector.

    Standard: 

    Fig 8: T6 Connector Terminals Voltage And Continuity Specification Chart
    G01437558Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    The value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.