THEFT DETERRENT SYSTEM > TERMINALS OF ECU



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

B108844E01

  1. Disconnect the DD, DK, DJ and DM junction block connectors.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    GND2 (DD-7) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    BECU (DK-5) - Body ground
    		G-R - Body ground
    		Battery (power supply)
    		Always
    		10 to 14 V
    BATB (DJ-5) - Body ground
    		O - Body ground
    		Battery (power supply)
    		Always
    		10 to 14 V
    IG (DM-1) - Body ground
    		B - Body ground
    		Ignition power supply
    		Always
    		10 to 14 V
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the DD, DK, DJ and DM junction block connectors.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    IND (L67-24) - Body ground
    		LG - Body ground
    		Security indicator signal
    		Security indicator illuminates or blinks when system is in armed state
    		3 to 6 V
    SH (A41-1) - Body ground*1
    		W - Body ground
    		Security horn signal
    		Security horn is sounding (Theft deterrent system is in alarm sounding state)
    		Pulse generation
    HAZ (L67-2) - Body ground
    		O - Body ground
    		Hazard warning light signal
    		System is in alarm sounding state
    		Pulse generation
    SSCL (L67-12) - Body ground*2
    		G - Body ground
    		Theft warning siren signal
    		Theft warning siren is sounding (Theft warning system is in alarm sounding state)
    		Pulse generation

    HINT:
    *1: Countries other than Europe, Russia, Turkey and China
    *2: Europe, Russia, Turkey and China

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


CHECK ENGINE ROOM NO. 2 RELAY BLOCK, JUNCTION BLOCK (FRONT CONTROLLER)

E108357E01

  1. Disconnect the 2E, 2F and 2G front controller connectors.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    2E-4 - Body ground
    		G-R - Body ground
    		Battery power supply (ECU)
    		Always
    		10 to 14 V
    2F-1 - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    2G-3 - Body ground
    		W-L - Body ground
    		Engine hood courtesy switch signal
    		Engine hood closed
    		10 kΩ or higher
    2G-3 - Body ground
    		W-L - Body ground
    		Engine hood courtesy switch signal
    		Engine hood open
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the 2E, 2F and 2G front controller connectors.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    2G-1 - Body ground
    		B - Body ground
    		Horn signal
    		Horn sounding
    		10 to 14 V
    2G-1 - Body ground
    		B - Body ground
    		Horn signal
    		Horn sounding
    		Below 1 V
    If the result is not as specified, the junction block may have a malfunction.


CHECK POWER SOURCE CONTROL ECU ASSEMBLY

B075721E14

  1. Disconnect the L73 ECU connector.

  2. Measure the resistance and voltage of the wire harness side connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    AM1 (L73-33) - Body ground
    		R - Body ground
    		+B power supply
    		Always
    		10 to 14 V
    AM2 (L73-12) - Body ground
    		O - Body ground
    		+B power supply
    		Always
    		10 to 14 V
    GND2 (L73-6) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.