Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - DOOR / HATCH

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (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

Power Back Door System - Door Control Switch Circuit. DOOR / HATCH. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (PBD CLOSE SW)

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

Back Door
Tester DisplayMeasurement Item/RangeNormal ConditionDiagnostic Note
PBD Close SWBack door control switch signal / ON or OFFON: 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 ()
2.INSPECT BACK DOOR CONTROL SWITCH

Remove the back door control switch ().

Inspect the back door control switch ().

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

Disconnect the S25 back door control switch connector.

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

Measure the resistance of the wire harness side connectors.

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    S25-3 (MSW) - L52-4 (DS1)AlwaysBelow 1 Ω
    S25-4 (E) - Body groundAlwaysBelow 1 Ω
    S25-3 (MSW) - Body groundAlways10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE POWER BACK DOOR UNIT ASSEMBLY (POWER BACK DOOR ECU) ()