Power Back Door System Power Back Door Warning Buzzer Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER)

CHECK HARNESS AND CONNECTOR (POWER BACK DOOR WARNING BUZZER - POWER BACK DOOR UNIT ASSEMBLY AND BODY GROUND)

REPLACE POWER BACK DOOR WARNING BUZZER

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER)

POWER BACK DOOR SYSTEM - Power Back Door Warning Buzzer Circuit


DESCRIPTION

The power back door unit assembly (power back door ECU) receives the power back door ON/OFF switch signal to sound the power back door warning buzzer.

WIRING DIAGRAM


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


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER)

  1. Select the Active Test, use the intelligent tester to generate a control command, and check that the power back door warning buzzer sounds (Click here).

    Back Door
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    PBD Buzzer
    		Operate warning buzzer
    		ON / OFF
    		-
    OK:
    Power back door warning buzzer sounds normally.


NG
Go to step 2
OK

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

2.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR WARNING BUZZER - POWER BACK DOOR UNIT ASSEMBLY AND BODY GROUND)

  1. Disconnect the K47 power back door warning buzzer connector.

  1. Disconnect the L52 power back door unit assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    K47-1 (BZR+) - L52-26 (BZR+)
    		Always
    		Below 1 Ω
    K47-2 (BZR-) - Body ground
    		Always
    		Below 1 Ω
    K47-1 (BZR+) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.REPLACE POWER BACK DOOR WARNING BUZZER

  1. Temporarily replace the power back door warning buzzer with a new or normally functioning one (Click here).


NEXT


4.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (PBD BUZZER)

  1. Select the Active Test, use the intelligent tester to generate a control command, and check that the power back door warning buzzer sounds (Click here).

    Back Door
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    PBD Buzzer
    		Operate warning buzzer
    		ON / OFF
    		-
    OK:
    Power back door warning buzzer sounds normally.


NG
REPLACE POWER BACK DOOR UNIT ASSEMBLY (Click here)
OK

END (POWER BACK DOOR WARNING BUZZER IS DEFECTIVE)