Toyota Parking Assist-Sensor System Clearance Warning Buzzer Circuit

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (NO. 1 CLEARANCE WARNING BUZZER)

CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - NO. 1 CLEARANCE WARNING BUZZER)

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - NO. 1 CLEARANCE WARNING BUZZER)

TOYOTA PARKING ASSIST-SENSOR SYSTEM - Clearance Warning Buzzer Circuit


DESCRIPTION

The No. 1 clearance warning buzzer sounds to alert the driver and the buzzed frequency changes depending on the distance to an obstacle.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Toyota Parking Assist-Sensor System Clearance Warning Buzzer Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Toyota Parking Assist-Sensor System Clearance Warning Buzzer Circuit


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (NO. 1 CLEARANCE WARNING BUZZER)

  1. Select the Active Test, use the intelligent tester to generate a control command, and then check that the buzzer operates (Click here).

    Clearance Sonar
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Front Buzzer
    		No. 1 clearance warning buzzer
    		Operate or Stop
    		-
    OK:
    No. 1 clearance warning buzzer sounds.
    Result
    Result
    		Proceed to
    OK
    		A
    NG (w/ Side Monitor System)
    		B
    NG (w/o Side Monitor System)
    		C


B
Go to step 2

C
Go to step 3
A

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

2.CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - NO. 1 CLEARANCE WARNING BUZZER)

  1. Disconnect the F75 parking assist ECU connector.

  1. Disconnect the E10 No. 1 clearance warning buzzer connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F75-7 (BBZ) - E10-1 (Z+)
    		Always
    		Below 1 Ω
    F75-6 (EF) - E10-2 (Z-)
    		Always
    		Below 1 Ω
    F75-7 (BBZ) - Body ground
    		Always
    		10 kΩ or higher
    F75-6 (EF) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE NO. 1 CLEARANCE WARNING BUZZER (Click here)

3.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - NO. 1 CLEARANCE WARNING BUZZER)

  1. Disconnect the F12 clearance warning ECU connector.

  1. Disconnect the E10 No. 1 clearance warning buzzer connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    F12-10 (BBZ) - E10-1 (Z+)
    		Always
    		Below 1 Ω
    F12-11 (EF) - E10-2 (Z-)
    		Always
    		Below 1 Ω
    F12-10 (BBZ) - Body ground
    		Always
    		10 kΩ or higher
    F12-11 (EF) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE NO. 1 CLEARANCE WARNING BUZZER (Click here)