Theft Deterrent System (For Sedan) Luggage Compartment Door Key Cylinder Switch Circuit

Vehicle Interior. Yaris. Ncp93, 131
Theft Deterrent Keyless Entry. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING TECHSTREAM (LUGGAGE COMPARTMENT DOOR UNLOCK DETECTION SWITCH)

INSPECT LUGGAGE COMPARTMENT DOOR UNLOCK DETECTION SWITCH

CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU - UNLOCK DETECTION SWITCH)

CHECK HARNESS AND CONNECTOR (UNLOCK DETECTION SWITCH - BODY GROUND)

THEFT DETERRENT SYSTEM (for Sedan) - Luggage Compartment Door Key Cylinder Switch Circuit


DESCRIPTION

The luggage compartment door unlock detection switch comes on when the luggage compartment door key cylinder is turned to the unlock position with the key.

WIRING DIAGRAM


Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Theft Deterrent System (For Sedan) Luggage Compartment Door Key Cylinder Switch Circuit


INSPECTION PROCEDURE

1.READ VALUE USING TECHSTREAM (LUGGAGE COMPARTMENT DOOR UNLOCK DETECTION SWITCH)

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the tester main switch ON.

  1. Select the item below in the Data List and read the display on the tester.

    Theft Warning ECU:

    Item
    		Test Details
    		Diagnostic Note
    Trunk Key Unlock
    		Luggage compartment door unlock detection switch signal ON
    		-
    OK:
    When the luggage compartment door is unlocked, "ON" appears on the screen.
    HINT:
    The theft warning ECU detects the luggage compartment door lock condition using signals from the luggage compartment door unlock detection switch.


NG
Go to step 2
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2.INSPECT LUGGAGE COMPARTMENT DOOR UNLOCK DETECTION SWITCH


    Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Theft Deterrent System (For Sedan) Luggage Compartment Door Key Cylinder Switch Circuit

  1. Disconnect the J43 unlock detection switch connector.

  1. Measure the resistance.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 2
    		The luggage compartment door is locked
    		10 kΩ or higher
    1 - 2
    		The luggage compartment door is unlocked
    		Below 1 Ω

  1. Reconnect the unlock detection switch connector.



NG
REPLACE LUGGAGE COMPARTMENT DOOR UNLOCK DETECTION SWITCH (YARIS_NCP93 RM00000293B00JX.html)
OK


3.CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU - UNLOCK DETECTION SWITCH)


    Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Theft Deterrent System (For Sedan) Luggage Compartment Door Key Cylinder Switch Circuit

  1. Disconnect the D26 theft warning ECU and the J43 unlock detection switch connectors.

  1. Measure the resistance.

    Standard resistance:
    Tester Connection
    		Specified Condition
    D26-6 (LUG) - J43-2
    		Below 1 Ω
    D26-6 (LUG) or J43-2 - Body ground
    		10 kΩ or higher

  1. Reconnect the theft warning ECU and the unlock detection switch connectors.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (UNLOCK DETECTION SWITCH - BODY GROUND)


    Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Theft Deterrent System (For Sedan) Luggage Compartment Door Key Cylinder Switch Circuit

  1. Disconnect the J43 unlock detection switch connector.

  1. Measure the resistance.

    Standard resistance:
    Tester Connection
    		Specified Condition
    J43-1 - Body ground
    		Below 1 Ω

  1. Reconnect the unlock detection switch connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE THEFT WARNING ECU ASSEMBLY (YARIS_NCP93 RM0000033J4009X.html)