Terminals Of Ecu

2004 Toyota Matrix XR, FWD, StandardSECTION Terminals Of Ecu
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU) (REAR SIDE)Β 
    Fig 1: Checking Instrument Panel Junction Block Assy (Body ECU) (Rear Side)
    G02895328Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 2B, 2F and 2G instrument panel J/B connectors, and check the continuity and voltage of each terminal of the disconnected connectors.

      Standard:Β 

      TERMINAL SPECIFICATION

      Symbols (Terminal No.) Wiring color Condition Specified condition
      SGND (2B-11) <--> Body ground BR <-->- Constant Continuity
      GND (2R-8(1), 2D-3(2)) <--> Body ground W-B<-->- Constant Continuity
      BDR1 (2G-14) <--> Body ground L-W <-->- Constant 10 - 14 V
      B (2F-7) <-->Body ground R <-->- Constant 10 - 14 V
      (1) : The check should be performed by using the 2D connector*2 , because the 2R connector*1 is unavailable for this check.
      (2) : The check should be performed by using the 2D connector*2 , because the 2R connector*1 is unavailable for this check.
      NOTE: If the result is not as specified, there may be a malfunction on the wire harness side.
  2. CHECK THEFT WARNING ECU (THEFT DETERRENT ECU)Β 
    Fig 2: Checking Theft Warning ECU (Theft Deterrent ECU)
    G02895329Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the T5 theft warning ECU (theft deterrent ECU) connector and check the voltage and continuity of each terminal of the wire harness side connector.

      Standard:Β 

      TERMINALS SPECIFICATION

      Symbols (Terminal No.) Wiring color Condition Specified condition
      E (T5-11) <-->Body ground W-B <-->- Constant Continuity
      +B1 (T5-2) <-->E (T5-11) W-R <-->W-B Constant 10 - 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.