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POWER DOOR LOCK CONTROL SYSTEM > TERMINALS OF ECU

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CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


  1. Disconnect the 2B and 2C junction block connectors.


    B230102E06

  2. Disconnect the A main body ECU connector.

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

    HINT:
    Measure the values on the wire harness side with the connectors disconnected.


    Tester Connection
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    2B-6 (GND1) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    2C-18 (BECU) - Body ground
    		Y - Body ground
    		Battery power supply
    		Power switch off
    		11 to 14 V
    A-29 (ACC) - Body ground
    		-
    		ACC power supply
    		Power switch on (ACC)
    		11 to 14 V
    A-29 (ACC) - Body ground
    		-
    		ACC power supply
    		Power switch off
    		Below 1 V
    A-31 (ALTB) - Body ground
    		-
    		Battery power supply
    		Power switch off
    		11 to 14 V
    A-32 (IG) - Body ground
    		-
    		Power switch power supply
    		Power switch on (IG)
    		11 to 14 V
    A-32 (IG) - Body ground
    		-
    		Power switch power supply
    		Power switch off
    		Below 1 V
    If the result is not as specified, there may be a malfunction in the wire harness.

  4. Reconnect the 2B and 2C junction block connectors.

  5. Reconnect the A main body ECU connector.

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

    Tester Connection
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    2B-1 (ACT-) - Body ground
    		B - Body ground
    		Door lock motor unlock drive output (all doors)
    		Driver side door control switch off
    		Below 1 V
    2B-1 (ACT-) - Body ground
    		B - Body ground
    		Door lock motor unlock drive output (all doors)
    		Driver side door control switch unlocked
    		11 to 14 V
    2B-8 (ACT+) - Body ground
    		L - Body ground
    		Door lock motor lock drive output (all doors)
    		Driver side door control switch off
    		Below 1 V
    2B-8 (ACT+) - Body ground
    		L - Body ground
    		Door lock motor lock drive output (all doors)
    		Driver side door control switch locked
    		11 to 14 V
    2D-36 (FRCY) - Body ground
    		BR - Body ground
    		Front door courtesy switch RH input
    		Front door RH open
    		Below 1 V
    2D-36 (FRCY) - Body ground
    		BR - Body ground
    		Front door courtesy switch RH input
    		Front door RH closed
    		11 to 14 V
    2D-35 (FLCY) - Body ground
    		V - Body ground
    		Front door courtesy switch LH input
    		Front door LH open
    		Below 1 V
    2D-35 (FLCY) - Body ground
    		V - Body ground
    		Front door courtesy switch LH input
    		Front door LH closed
    		11 to 14 V
    2D-25 (LSR) - Body ground
    		GR - Body ground
    		Rear door LH lock position switch input
    		Rear door LH unlocked
    		Below 1 V
    2D-25 (LSR) - Body ground
    		GR - Body ground
    		Rear door LH lock position switch input
    		Power switch off, all doors closed and rear door LH locked
    		11 to 14 V
    2B-29 (LSR) - Body ground
    		GR - Body ground
    		Rear door RH lock position switch input
    		Rear door RH unlocked
    		Below 1 V
    2B-29 (LSR) - Body ground
    		GR - Body ground
    		Rear door RH lock position switch input
    		Power switch off, all doors closed and rear door RH locked
    		11 to 14 V
    L7-6 (LRCY) - Body ground
    		G - Body ground
    		Rear door courtesy light switch input
    		Rear left side door or rear right side door open
    		Below 1 V
    L7-6 (LRCY) - Body ground
    		G - Body ground
    		Rear door courtesy light switch input
    		Rear left side door and rear right side door closed
    		11 to 14 V
    L7-7 (LSFL) - Body ground
    		GR - Body ground
    		Front door LH lock position switch input
    		Front door LH unlocked
    		Below 1 V
    L7-7 (LSFL) - Body ground
    		GR - Body ground
    		Front door LH lock position switch input
    		Power switch off, all doors closed and front door LH locked
    		11 to 14 V
    L7-11 (L2) - Body ground
    		G - Body ground
    		Driver door key-linked lock input
    		Driver door key cylinder turned to lock
    		Below 1 V
    L7-11 (L2) - Body ground
    		G - Body ground
    		Driver door key-linked lock input
    		Driver door key cylinder off
    		11 to 14 V
    L7-18 (LSFR) - Body ground
    		LG - Body ground
    		Front door RH lock position switch input
    		Front door RH unlocked
    		Below 1 V
    L7-18 (LSFR) - Body ground
    		LG - Body ground
    		Front door RH lock position switch input
    		Power switch off, all doors closed and front door RH locked
    		11 to 14 V
    L7-19 (BCTY) - Body ground
    		L - Body ground
    		Back door courtesy light switch input
    		Back door open
    		Below 1 V
    L7-19 (BCTY) - Body ground
    		L - Body ground
    		Back door courtesy light switch input
    		Back door closed
    		11 to 14 V
    L7-23 (BDSU) - Body ground*1
    		GR - Body ground
    		Back door opener switch input
    		Back door opener switch pushed
    		Below 1 V
    L7-23 (BDSU) - Body ground*1
    		GR - Body ground
    		Back door opener switch input
    		Back door opener switch not pushed
    		11 to 14 V
    L7-12 (UL2) - Body ground
    		V - Body ground
    		Driver door key-linked unlock input
    		Driver door key cylinder turned to unlock
    		Below 1 V
    L7-12 (UL2) - Body ground
    		V - Body ground
    		Driver door key-linked unlock input
    		Driver door key cylinder off
    		11 to 14 V

    1. *1: w/o Entry System Back Door Open Function
    If the result is not as specified, the main body ECU (multiplex network body ECU) may have a malfunction.


CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Entry System Back Door Open Function)

B203498E14

  1. Disconnect the L62 certification ECU (smart key ECU assembly) connector.

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

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    L62-22 (TSW5) - Body ground
    		GR - Body ground
    		Back door opener switch signal
    		Back door opener switch on
    		Below 1 Ω
    L62-22 (TSW5) - Body ground
    		GR - Body ground
    		Back door opener switch signal
    		Back door opener switch off
    		10 kΩ or higher
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the L62 certification ECU (smart key ECU assembly) connector.

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

    Tester Connection
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    L62-22 (TSW5) - Body ground
    		GR - Body ground
    		Back door opener switch signal
    		Back door opener switch off
    		11 to 14 V
    L62-22 (TSW5) - Body ground
    		GR - Body ground
    		Back door opener switch signal
    		Back door opener switch on
    		Below 1 V
    If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.


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


  1. Disconnect the L105 double lock door control relay assembly connector.


    B064460E12

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

    HINT:
    Measure the values on the wire harness side with the connector disconnected.


    Tester Connection
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    L105-1 (+B) - Body ground
    		R - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    L105-7 (CPUB) - Body ground
    		Y - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    L105-14 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the L105 double lock door control relay assembly connector.

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

    Tester Connection
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    L105-5 (DLPD) - Body ground
    		Y - Body ground
    		Front RH double lock position switch input
    		Double lock unset
    		Pulse generation
    L105-5 (DLPD) - Body ground
    		Y - Body ground
    		Front RH double lock position switch input
    		Double lock set
    		Below 1 V
    L105-6 (DLPP) - Body ground
    		V - Body ground
    		Front LH double lock position switch input
    		Double lock unset
    		Pulse generation
    L105-6 (DLPP) - Body ground
    		V - Body ground
    		Front LH double lock position switch input
    		Double lock set
    		Below 1 V
    L105-11 (DLPR) - Body ground
    		G - Body ground
    		Rear RH double lock position switch input
    		Double lock unset
    		Pulse generation
    L105-11 (DLPR) - Body ground
    		G - Body ground
    		Rear RH double lock position switch input
    		Double lock set
    		Below 1 V
    L105-12 (DLPL) - Body ground
    		L - Body ground
    		Rear LH double lock position switch input
    		Double lock unset
    		Pulse generation
    L105-12 (DLPL) - Body ground
    		L - Body ground
    		Rear LH double lock position switch input
    		Double lock set
    		Below 1 V
    L105-3 (ACTS) - Body ground
    		LG - Body ground
    		All door double lock motor set on output
    		Double lock unset
    		Below 1 V
    L105-3 (ACTS) - Body ground
    		LG - Body ground
    		All door double lock motor set on output
    		Double lock set
    		11 to 14 V
    L105-4 (ACTR) - Body ground
    		GR - Body ground
    		All door double lock motor set off output
    		Double lock set
    		Below 1 V
    L105-4 (ACTR) - Body ground
    		GR - Body ground
    		All door double lock motor set off output
    		Double lock unset
    		11 to 14 V
    If the result is not as specified, the double lock door control relay assembly may have a malfunction.