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Terminals Of Ecu

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  1. CHECK POWER MANAGEMENT CONTROL ECU 
    Fig 1: Identifying Power Management Control ECU Connector Terminal Identification
    GTY324731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A86-7 (ST1-) - L135-6 (E1) R - BR Stop light switch signal Power switch on (IG), Brake pedal released 7.5 to 14 V
    A86-7 (ST1-) - L135-6 (E1) R - BR Stop light switch signal Power switch on (IG), Brake pedal depressed Below 1 V
    A86-23 (STP) - L135-6 (E1) L - BR Stop light switch signal Brake pedal released Below 1 V
    A86-23 (STP) - L135-6 (E1) L - BR Stop light switch signal Brake pedal depressed 7.5 to 14 V
    L135-6 (E1) - Body ground BR - Body ground Earth (ground) circuit of power management control ECU Always Below 1 Ω
    L135-11 (TC) - L135-6 (E1) P - BR Terminal TC of DLC3 Power switch on (IG) 11 to 14 V
    L135-11 (TC) - L135-6 (E1) P - BR Terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V
    L136-22 (CCS) - L135-6 (E1) R - BR Cruise control switch circuit Power switch on (IG) 1 MΩ or higher
    L136-22 (CCS) - L135-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), Cruise control switch on Below 2.5 Ω
    L136-22 (CCS) - L135-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), +/RES switch on 235 to 245 Ω
    L136-22 (CCS) - L135-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), -/SET switch on 617 to 643 Ω
    L136-22 (CCS) - L135-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), CANCEL switch on 1509 to 1571 Ω
    L136-24 (CA1L) - L135-6 (E1) W - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 1)
    L136-25 (CA1H) - L135-6 (E1) B - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 2)
    L136-30 (CA3N) - L135-6 (E1) L - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 1)
    L136-31 (CA3P) - L135-6 (E1) LG - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 2)
    1. WAVEFORM 1
      Fig 2: Identifying Waveform 1
      GTY335000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Power Management Control ECU Terminal Name Between L136-24 (CA1L) and L135-6 (E1)
        Between L136-30 (CA3N) and L135-6 (E1)
        Tester Range 1 V/DIV., 10 msec./DIV.
        Condition Power switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

    2. WAVEFORM 2
      Fig 3: Identifying Waveform 2
      GTY332223Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Power Management Control ECU Terminal Name Between L136-25 (CA1H) and L135-6 (E1)
        Between L136-31 (CA3P) and L135-6 (E1)
        Tester Range 1 V/DIV., 10 msec./DIV.
        Condition Power switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

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