Toyota Parking Assist-Sensor System (W/O Multi-Display) Taillight Relay Circuit


WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK TAILLIGHT

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BATTERY)

TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/o Multi-display) - Taillight Relay Circuit


WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Park Assist Monitoring.Toyota Parking Assist-Sensor System (W/ Multi-Display).Toyota Parking Assist-Sensor System (W/O Multi-Display) Taillight Relay Circuit


INSPECTION PROCEDURE

1.CHECK TAILLIGHT

  1. Turn the light control switch to the TAIL position.

  1. Check that the taillight turns on.

    OK:
    Taillight turns on.


NG
GO TO LIGHTING SYSTEM (LandCruiser RM000000PKJ0SFX.html)
OK


2.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BATTERY)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Park Assist Monitoring.Toyota Parking Assist-Sensor System (W/ Multi-Display).Toyota Parking Assist-Sensor System (W/O Multi-Display) Taillight Relay Circuit

  1. Disconnect the I1 clearance warning ECU connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    I1-11 (TL) - Body ground
    		Ignition switch ON, light control switch TAIL
    		7 V or higher
    Ignition switch ON, light control switch not TAIL
    		Below 1.5 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Clearance Warning ECU)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000003QOU01DX.html)