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Terminals Of Ecu

  1. TRANSMISSION CONTROL ECU ASSY 

    HINT:

    Inspect the connectors from the back side while the connector is connected.

    Fig 1: Identifying Transmission Control ECU Assy T4 Connector Terminals
    G02620737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TRANSMISSION CONTROL ECU ASSY CONNECTOR TERMINALS SPECIFIED CONDITION

    Terminal No. (Symbols) Wiring color Terminal description Condition Specified value
    T4-1-T4-15 (+B-E1) L-W-B Power source Power switch on (IG) 9 to 14 V
    T4-2 (E02) - Body ground W-B-Body ground Ground Always Below 1 V
    T4-3 (E01) - Body ground W-B-Body ground Ground Always Below 1 V
    T4-T4-16 (RZ1-E2) L-P Rotation angle sensor signal Power switch on (IG) 4 to 5.5 V
    T4-5-T4-16 (RB-E2) GR-P Rotation angle sensor signal Power switch on (IG) 4 to 5.5 V
    T4-6-T4-16 (RA-E2) LG-P Rotation angle sensor signal Power switch on (IG) 4 to 5.5 V
    T4-7-T4-15 (PCON-E1) LG-W-B Communication Bus Power switch on (IG) Pulse generation (see wave form 1)
    T4-8 - T4-15 (PPOS - E1) W-W-B Communication Bus Power switch on (IG) Pulse generation (see wave form 2)
    T4-9-T4-15 (IND-E1) R-W-B P position switch indicator light P position switch on Below 1 V
    T4-10-T4-15 (MWA-E1) W-W-B Parking lock motor Power switch on (IG) 9 to 14 V
    T4-11-T4-15 (MVA-E1) R-W-B Parking lock motor Power switch on (IG) 9 to 14 V
    T4-12-T4-15 (MUA-E1) B-W-B Parking lock motor Power switch on (IG) 9 to 14 V
    T4-13 - T4-15 (BATT - E1) L-W-B Power source (RAM) Always 9 to 14 V
    T4-14-T4-15 (BMA-E1) B-W-B P CON relay Power switch on (IG) 9 to 14 V
    T4-15 (E1) - Body ground W-B-Body ground Ground Always Below 1 V
    T4-16 (E2) - Body ground P - Body ground Ground Always Below 1 V
    T4-17-T4-16 (VC-E2) O-P Power source (Rotation angle sensor) Power switch on (IG) 4.5 to 5.5 V
    T4-18-T4-15 (MPX2-E1) B-W-B Multiplex communication Power switch off Power switch on (IG) Below 1 V Pulse generation
    T4-19-T4-15 (MPX1-E1) GR-W-B Multiplex communication Power switch off Power switch on (IG) Below 1 V Pulse generation
    T4-20-T4-15 (SIL-E1) W-W-B Diagnosis tester communication Power switch on (IG) 8 V or higher
    1. Wave form 1
      WAVE FORM 1 REFERENCE

      Item Content
      Measure terminal PCON-E1
      Measure set 5V/DIV,20 ms/DIV
      Condition Power switch on (IG)
      Fig 2: Wave Form 1
      G02620738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Wave form 2
      WAVE FORM 2 REFERENCE

      Item Content
      Measure terminal PPOS-E1
      Measure set 5V/DIV,20ms/DIV
      Condition Power switch on (IG)
      Fig 3: Wave Form 2
      G02620739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002