LUGGAGE COMPARTMENT DOOR OPENER AND CLOSER SYSTEM > TERMINALS OF ECU

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CHECK COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU)

B107423E02

  1. Disconnect the DK and DD junction block connectors.

  2. Disconnect the L68 ECU connector.

  3. Measure the resistance and voltage of the wire harness side connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    BECU (DK-5) - Body ground
    		GR - Body ground
    		Battery (power supply)
    		Engine switch off
    		Below 1 V
    BECU (DK-5) - Body ground
    		GR - Body ground
    		Battery (power supply)
    		Engine switch on (IG)
    		10 to 14 V
    GND (DD-7) - Body ground
    		WB - Body ground
    		Ground
    		Always
    		Below 1 Ω
    TSW (L68-2) - Body ground
    		RR - Body ground
    		Luggage door opening switch input
    		Luggage door opening switch OFF
    		10 kΩ or higher
    TSW (L68-2) - Body ground
    		RR - Body ground
    		Luggage door opening switch input
    		Luggage door opening switch ON
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side connectors.


CHECK COWL SIDE JUNCTION BLOCK LH (COWL SIDE JUNCTION BLOCK ECU LH)

B107422E02

  1. Disconnect the PM and PA junction block connectors.

  2. Disconnect the V3 ECU connector.

  3. Measure the resistance and voltage of the wire harness side connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    FUEL (PM-1) - Body ground
    		W - Body ground
    		Battery (power supply)
    		Engine switch off
    		Below 1 V
    FUEL (PM-1) - Body ground
    		W - Body ground
    		Battery (power supply)
    		Engine switch off
    		10 to 14 V
    GND (PA-14) - Body ground
    		W - Body ground
    		Ground
    		Always
    		Below 1 Ω
    BDCY (V3-11) - Body ground
    		R - Body ground
    		Luggage compartment door unlock switch input
    		Luggage compartment door unlock switch OFF
    		10 kΩ or higher
    BDCY (V3-11) - Body ground
    		R - Body ground
    		Luggage compartment door unlock switch input
    		Luggage compartment door unlock switch ON
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  4. Reconnect the PM and PA junction block connectors.

  5. Reconnect the V3 ECU connector.

  6. Measure the voltage and resistance of the connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    LCM+ (V3-1) - LCM (V3-4)
    		R - G
    		Luggage compartment door closer motor output
    		Luggage compartment door open
    		Below 1 V
    LCM+ (V3-1) - LCM (V3-4)
    		R - G
    		Luggage compartment door closer motor output
    		Motor in closing operation
    		10 to 14 V
    LCM+ (V3-1) - LCM (V3-4)
    		R - G
    		Luggage compartment door closer motor output
    		Operation completed
    (luggage compartment door CLOSED)
    		Below 1 V
    LCLS (V3-8) - Body ground
    		GR - Body ground
    		Luggage door position switch (close) input
    		Luggage compartment door OPEN
    		Below 1 V
    LCLS (V3-8) - Body ground
    		GR - Body ground
    		Luggage door position switch (close) input
    		Motor in closing operation
    		10 to 14 V
    LCLS (V3-8) - Body ground
    		GR - Body ground
    		Luggage door position switch (close) input
    		Operation completed
    (luggage compartment door CLOSED)
    		Below 1 V
    LOPN (V3-5) - Body ground
    		P - Body ground
    		Luggage door position switch (open) input
    		Luggage compartment door OPEN
    		10 to 14 V
    LOPN (V3-5) - Body ground
    		P - Body ground
    		Luggage door position switch (open) input
    		Motor in closing operation
    		10 to 14 V
    LOPN (V3-5) - Body ground
    		P - Body ground
    		Luggage door position switch (open) input
    		Operation completed (luggage compartment door CLOSED)
    		Below 1 V
    CCTY (V3-6) - Body ground
    		O - Body ground
    		Luggage door courtesy switch input
    		Luggage compartment door CLOSED
    		Below 1 Ω
    CCTY (V3-6) - Body ground
    		O - Body ground
    		Luggage door courtesy switch input
    		Luggage compartment door OPEN
    		10 kΩ or higher
    If the result is not as specified, the cowl side junction block ECU LH may have a malfunction.