Power Door Lock Control System (For Hatchback) All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch

Vehicle Interior. Yaris. Ncp93, 131
Door Lock. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING TECHSTREAM (DOOR CONTROL SWITCH)

INSPECT DOOR CONTROL SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

POWER DOOR LOCK CONTROL SYSTEM (for Hatchback) - All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch


DESCRIPTION

The main body ECU receives switch signals from the door control switch and activates the door lock motor on each door according to these signals.

WIRING DIAGRAM


Yaris. Ncp93, 131.Door Lock.Power Door Lock Control System (For Sedan).Power Door Lock Control System (For Hatchback) All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch


INSPECTION PROCEDURE

1.READ VALUE USING TECHSTREAM (DOOR CONTROL SWITCH)

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Enter the following menus: Body Electrical / Main Body / Data List.

  1. According to the display on the Techstream, read the Data List.

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Door Lock SW-Lock
    		Door manual lock switch signal / OFF or ON
    		OFF: Door control switch is turned to unlock position
    ON: Door control switch is turned to lock position
    		-
    Door Lock SW-Unlock
    		Door manual unlock switch signal / OFF or ON
    		OFF: Door control switch is turned to lock position
    ON: Door control switch is turned to unlock position
    		-
    OK:
    The Techstream indicates ON or OFF according to the switch operation shown in the table.


NG
Go to step 2
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)

2.INSPECT DOOR CONTROL SWITCH ASSEMBLY

  1. Inspect the door control switch assembly (YARIS_NCP93 RM000004OBK005X.html).



NG
REPLACE DOOR CONTROL SWITCH ASSEMBLY (YARIS_NCP93 RM000004OBM005X.html)
OK


3.CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

  1. Disconnect the F22 door control switch assembly connector.

  1. Disconnect the D143 main body ECU connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F22-2 (UL) - D143-10 (UL1)
    		Always
    		Below 1 Ω
    F22-4 (L) - D143-9 (L1)
    		Always
    		Below 1 Ω
    F22-3 (E) - Body ground
    		Always
    		Below 1 Ω
    F22-2 (UL) - Body ground
    		Always
    		10 kΩ or higher
    F22-4 (L) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (YARIS_NCP93 RM000003TOE00CX.html)