POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    A011A7FE44
    Text in Illustration
    *1 for LHD *2 for RHD

    1. Disconnect the F1 or E1 master switch connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F1-12 (GND) - Body ground*1 W-B - Body ground Ground Always Below 1 Ω
      F1-11 (B) - F1-12 (GND)*1 BR - W-B Battery power supply Always 11 to 14 V
      E1-12 (GND) - Body ground*2 W-B - Body ground Ground Always Below 1 Ω
      E1-11 (B) - E1-12 (GND)*2 BR - W-B Battery power supply Always 11 to 14 V

      • *1: for LHD

      • *2: for RHD

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

  2. CHECK MAIN BODY ECU, INSTRUMENT PANEL JUNCTION BLOCK


    1. Remove the main body ECU.

      A01179UE01
      Text in Illustration
      *1 Instrument Panel Junction Block
      A011B53E02
      Text in Illustration
      *1 Main Body ECU (w/ Theft Deterrent System)
      A0119MJE02
      Text in Illustration
      *1 Main Body ECU (w/o Theft Deterrent System)

    2. for LHD


      1. Disconnect the D42 main body ECU connector.

      2. Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        3F-2 (FLCY) - Body ground - Front door courtesy light switch LH input Front door LH CLOSED (off) → OPEN (on) 10 kΩ or higher → Below 1 Ω
        3F-4 (FRCY) - Body ground - Front door courtesy light switch RH input Front door RH CLOSED (off) → OPEN (on) 10 kΩ or higher → Below 1 Ω
        3F-11 (GND1) - Body ground - Ground Always Below 1 Ω
        3F-29 (ACC) - Body ground - Ignition power supply (ACC signal) Ignition switch ACC → off 11 to 14 V → Below 1 V
        3F-30 (ECUB) - Body ground - +B (power system signal system) power supply Always 11 to 14 V
        3F-31 (ALTB) - Body ground - +B (power system alternator system) power supply Always 11 to 14 V
        3F-32 (IG) - Body ground - Ignition power supply (IG signal) Ignition switch ON → off 11 to 14 V → Below 1 V
        D42-17 (KSW) - Body ground*1 LG - Body ground Unlock warning switch input NO key in ignition key cylinder (off) → Key inserted (on) 10 kΩ or higher → Below 1 Ω
        D42-19 (BCTY) - Body ground V - Body ground Back door courtesy light switch input Back door CLOSED (off) → OPEN (on) 10 kΩ or higher → Below 1 Ω

        • *1: w/o Entry and Start System

        Tech Tips

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

      3. Reinstall the main body ECU.

      4. Reconnect the main body ECU connector.

      5. Measure the voltage between each terminal of the wire harness side connectors and body ground.

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        D42-7 (LSFL) - Body ground*2 R - Body ground Front door unlock detection switch LH input Front door LH UNLOCK → LOCK Below 1 V → 11 to 14 V (or pulse generation)
        D42-11 (L2) - Body ground B - Body ground Driver door key-linked door lock input Driver door lock cylinder is turned neutral position → LOCK position with mechanical key 11 to 14 V (or pulse generation ) → Below 1 V
        D42-12 (UL2) - Body ground P - Body ground Driver door key-linked door unlock input Driver door lock cylinder is turned neutral position → UNLOCK position with mechanical key 11 to 14 V (or pulse generation ) → Below 1 V
        D42-18 (LSFR) - Body ground L - Body ground Front door unlock detection switch RH input Front door RH UNLOCK → LOCK Below 1 V → 11 to 14 V (or pulse generation)
        D42-19 (BCTY) - Body ground V - Body ground Back door courtesy light switch input Back door CLOSED (off) → OPEN (on) 11 to 14 V (or pulse generation ) → Below 1 V
        D42-23 (BDSU) - Body ground*1 LG - Body ground Back door open switch input Back door open switch off → on 11 to 14 V (or pulse generation ) → Below 1 V
        3C-1 (ACT-) - Body ground G - Body ground Door lock motor UNLOCK drive output Door control switch or FR door key cylinder off → UNLOCK → off Below 1 V → 11 to 14 V → Below 1 V
        3C-2 (ACT-) - Body ground Y - Body ground
        3C-3 (ACT+) - Body ground L - Body ground Door lock motor LOCK drive output Door control switch or FR door key cylinder off → LOCK → off Below 1 V → 11 to 14 V → Below 1 V
        3C-4 (ACT+) - Body ground R - Body ground
        3E-8 (TR+) - Body ground B - Body ground Door lock motor UNLOCK drive output (Back door) Back door open switch off → on → off Below 1 V → 11 to 14 V → Below 1 V
        3E-24 (FLCY) - Body ground G - Body ground Front door courtesy light switch LH input Front door LH CLOSED (off) → OPEN (on) 11 to 14 V (or pulse generation ) → Below 1 V
        3E-35 (FRCY) - Body ground B - Body ground Front door courtesy light switch RH input Front door RH CLOSED (off) → OPEN (on) 11 to 14 V (or pulse generation ) → Below 1 V

        • *1: w/o Entry and Start System

        • *2: w/ Entry and Start System or Theft Deterrent System

        If the result is not as specified, the main body ECU may have a malfunction.

    3. for RHD


      1. Disconnect the D42 main body ECU connector.

      2. Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        3F-2 (FLCY) - Body ground - Front door courtesy light switch LH input Front door LH CLOSED (off) → OPEN (on) 10 kΩ or higher → Below 1 Ω
        3F-4 (FRCY) - Body ground - Front door courtesy light switch RH input Front door RH CLOSED (off) → OPEN (on) 10 kΩ or higher → Below 1 Ω
        3F-11 (GND1) - Body ground - Ground Always Below 1 Ω
        3F-29 (ACC) - Body ground - Ignition power supply (ACC signal) Ignition switch ACC → off 11 to 14 V → Below 1 V
        3F-30 (ECUB) - Body ground - +B (power system signal system) power supply Always 11 to 14 V
        3F-31 (ALTB) - Body ground - +B (power system alternator system) power supply Always 11 to 14 V
        3F-32 (IG) - Body ground - Ignition power supply (IG signal) Ignition switch ON → off 11 to 14 V → Below 1 V
        D42-17 (KSW) - Body ground*1 LG - Body ground Unlock warning switch input NO key in ignition key cylinder (off) → Key inserted (on) 10 kΩ or higher → Below 1 Ω
        D42-19 (BCTY) - Body ground V - Body ground Back door courtesy light switch input Back door CLOSED (off) → OPEN (on) 10 kΩ or higher → Below 1 Ω

        • *1: w/o Entry and Start System

        Tech Tips

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

      3. Reinstall the main body ECU.

      4. Reconnect the main body ECU connector.

      5. Measure the voltage between each terminal of the wire harness side connectors and body ground.

        Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
        D42-7 (LSFL) - Body ground R - Body ground Front door unlock detection switch LH input Front door LH UNLOCK → LOCK Below 1 V → 11 to 14 V (or pulse generation)
        D42-11 (L2) - Body ground B - Body ground Driver door key-linked door lock input Driver door lock cylinder is turned neutral position → LOCK position with mechanical key 11 to 14 V (or pulse generation ) → Below 1 V
        D42-12 (UL2) - Body ground P - Body ground Driver door key-linked door unlock input Driver door lock cylinder is turned neutral position → UNLOCK position with mechanical key 11 to 14 V (or pulse generation ) → Below 1 V
        D42-18 (LSFR) - Body ground*2 L - Body ground Front door unlock detection switch RH input Front door RH UNLOCK → LOCK Below 1 V → 11 to 14 V (or pulse generation)
        D42-19 (BCTY) - Body ground V - Body ground Back door courtesy light switch input Back door CLOSED (off) → OPEN (on) 11 to 14 V (or pulse generation ) → Below 1 V
        D42-23 (BDSU) - Body ground*1 LG - Body ground Back door open switch input Back door open switch off → on 11 to 14 V (or pulse generation ) → Below 1 V
        3C-1 (ACT-) - Body ground G - Body ground Door lock motor UNLOCK drive output Door control switch or FR door key cylinder off → UNLOCK → off Below 1 V → 11 to 14 V → Below 1 V
        3C-2 (ACT-) - Body ground Y - Body ground
        3C-3 (ACT+) - Body ground L - Body ground Door lock motor LOCK drive output Door control switch or FR door key cylinder off → LOCK → off Below 1 V → 11 to 14 V → Below 1 V
        3C-4 (ACT+) - Body ground R - Body ground
        3E-8 (TR+) - Body ground B - Body ground Door lock motor UNLOCK drive output (Back door) Back door open switch off → on → off Below 1 V → 11 to 14 V → Below 1 V
        3E-24 (FLCY) - Body ground G - Body ground Front door courtesy light switch LH input Front door LH CLOSED (off) → OPEN (on) 11 to 14 V (or pulse generation ) → Below 1 V
        3E-35 (FRCY) - Body ground B - Body ground Front door courtesy light switch RH input Front door RH CLOSED (off) → OPEN (on) 11 to 14 V (or pulse generation ) → Below 1 V

        • *1: w/o Entry and Start System

        • *2: w/ Entry and Start System

        If the result is not as specified, the main body ECU may have a malfunction.

  3. CHECK CERTIFICATION ECU (w/ Entry and Start System)

    A011B4AE02

    1. Disconnect the D34 certification ECU connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D34-15 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      D34-1 (+B) - D34-15 (E) B - W-B Battery power supply Always 11 to 14 V

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

    3. Reconnect the certification ECU connector.

    4. Measure the voltage between each terminal of the wire harness side connectors and body ground.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D34-22 (TSW5) - Body ground LG - Body ground Back door open switch input Back door open switch off → on Pulse generation → Below 1 V
      D34-23 (TSW6) - Body ground G - Body ground Back door lock switch input Back door lock switch off → on Pulse generation → Below 1 V

  4. CHECK DOUBLE LOCK DOOR CONTROL RELAY (w/ Double Locking Function)

    A01183SE03

    1. Disconnect the D40 double lock door control relay connector.

    2. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D40-1 (+B) - D40-14 (GND) W - W-B Battery power supply Always 11 to 14 V
      D40-7 (CPUB) - D40-14 (GND) V - W-B ECU power supply Always 11 to 14 V
      D40-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 V

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

    3. Reconnect the D40 double lock door control relay connector.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D40-4 (ACTR) - D40-14 (GND) R - W-B All door double lock motor set off output Door lock set → unset Below 1 V → 11 to 14 V → Below 1 V
      D40-3 (ACTS) - D40-14 (GND) Y - W-B All door double lock motor set on output Door lock unset → set Below 1 V → 11 to 14 V → Below 1 V
      D40-5 (DLPD) - D40-14 (GND) SB - W-B Double lock position switch signal Double lock set Below 1 Ω
      D40-5 (DLPD) - D40-14 (GND) SB - W-B Double lock position switch signal Double lock unset 10 kΩ or higher
      D40-6 (DLPP) - D40-14 (GND) BR - W-B Double lock position switch signal Double lock set Below 1 Ω
      D40-6 (DLPP) - D40-14 (GND) BR - W-B Double lock position switch signal Double lock unset 10 kΩ or higher

      If the result is not as specified, the ECU may have a malfunction.