POWER DOOR LOCK CONTROL SYSTEM > TERMINALS OF ECU

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CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

B158007E44


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. *1: for LHD
    2. *2: for RHD
    If the result is not as specified, there may be a malfunction on the wire harness side.


CHECK MAIN BODY ECU, INSTRUMENT PANEL JUNCTION BLOCK


  1. Remove the main body ECU.


    B210280E01


    Text in Illustration 
    *1
    		Instrument Panel Junction Block

    B210281E02


    Text in Illustration 
    *1
    		Main Body ECU (w/ Theft Deterrent System)

    B210282E02


    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. *1: w/o Entry and Start System

      HINT:
      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. *1: w/o Entry and Start System
      2. *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. *1: w/o Entry and Start System

      HINT:
      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. *1: w/o Entry and Start System
      2. *2: w/ Entry and Start System
      If the result is not as specified, the main body ECU may have a malfunction.


CHECK CERTIFICATION ECU (w/ Entry and Start System)

B197893E02

  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


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

E123928E03

  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.