Power Back Door System Door Control Switch Circuit

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Door Hatch. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING GTS (PBD CLOSE SW)

INSPECT BACK DOOR CONTROL SWITCH

CHECK HARNESS AND CONNECTOR (BACK DOOR CONTROL SWITCH - POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU] AND BODY GROUND)

POWER BACK DOOR SYSTEM - Door Control Switch Circuit


DESCRIPTION

The back door control switch only turns on while the switch is being pressed, and turns off when the back door control switch is released.
When the back door control switch is on, a power back door close request signal is input to the power back door unit assembly (power back door ECU) to close the back door.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Hatch.Tail Gate Closer System.Power Back Door System Door Control Switch Circuit


INSPECTION PROCEDURE

1.READ VALUE USING GTS (PBD CLOSE SW)

  1. Check the Data List for proper functioning of the back door control switch (Click here).

    Back Door
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    PBD Close SW
    		Back door control switch signal / ON or OFF
    		ON: Back door control switch on
    OFF: Back door control switch off
    		-
    OK:
    The display is as specified in the normal condition.


NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

2.INSPECT BACK DOOR CONTROL SWITCH

  1. Remove the back door control switch (Click here).

  1. Inspect the back door control switch (Click here).



NG
REPLACE BACK DOOR CONTROL SWITCH (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (BACK DOOR CONTROL SWITCH - POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU] AND BODY GROUND)

  1. Disconnect the S25 back door control switch connector.

  1. Disconnect the L52 power back door unit assembly (power back door ECU) connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    S25-3 - L52-4 (DS1)
    		Always
    		Below 1 Ω
    S25-4 - Body ground
    		Always
    		Below 1 Ω
    S25-3 - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE POWER BACK DOOR UNIT ASSEMBLY (POWER BACK DOOR ECU) (Click here)