Power Back Door System Back Door Lock Motor Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT BACK DOOR LOCK ASSEMBLY (CLOSER MOTOR OPERATION)

CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU])

POWER BACK DOOR SYSTEM - Back Door Lock Motor Circuit


DESCRIPTION

The back door lock motor is built into the back door lock assembly. The power back door unit assembly (power back door ECU) controls the back door lock motor to open/close the back door. This power back door unit assembly (power back door ECU) applies current to terminals 2 and 1 to operate the motor to close the door. It reverses the direction of the current to operate the motor to open the door.

WIRING DIAGRAM


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


INSPECTION PROCEDURE

1.INSPECT BACK DOOR LOCK ASSEMBLY (CLOSER MOTOR OPERATION)
  1. Remove the back door lock assembly (Click here).

  1. Inspect the back door lock assembly (Click here).



NG
REPLACE BACK DOOR LOCK ASSEMBLY (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU])
  1. Disconnect the S32 back door lock assembly 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:
    w/ G-BOOK System:
    Tester Connection
    Condition
    Specified Condition
    S38-2 (M+) - L52-2 (DC+)
    Always
    Below 1 Ω
    S38-1 (M-) - L52-1 (DC-)
    Always
    Below 1 Ω
    S38-2 (M+) - Body ground
    Always
    10 kΩ or higher
    S38-1 (M-) - Body ground
    Always
    10 kΩ or higher
    w/o G-BOOK System:
    Tester Connection
    Condition
    Specified Condition
    S32-2 (M+) - L52-2 (DC+)
    Always
    Below 1 Ω
    S32-1 (M-) - L52-1 (DC-)
    Always
    Below 1 Ω
    S32-2 (M+) - Body ground
    Always
    10 kΩ or higher
    S32-1 (M-) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

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