Power Back Door System - Ecu Power Source Circuit

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - DOOR / HATCH

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU] - BATTERY AND BODY GROUND)

POWER BACK DOOR SYSTEM - ECU Power Source Circuit

DESCRIPTION

This circuit supplies power to operate the power back door unit assembly (power back door ECU).


WIRING DIAGRAM

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

INSPECTION PROCEDURE

  • NOTICE:
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR UNIT ASSEMBLY [POWER BACK DOOR ECU] - BATTERY AND BODY GROUND)
Power Back Door System - Ecu Power Source Circuit. DOOR / HATCH. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

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

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

  • Standard Voltage:
  • Tester ConnectionConditionSpecified Condition
    L52-10 (ECUB) - Body groundAlways11 to 14 V
    L52-12 (B) - Body groundAlways11 to 14 V
    L52-8 (IG) - Body groundEngine switch on (IG)11 to 14 V
    L52-8 (IG) - Body groundEngine switch offBelow 1 V

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    L52-11 (GND) - Body groundAlwaysBelow 1 Ω
Text in Illustration
*aFront view of wire harness connector
(to Power Back Door Unit Assembly [Power Back Door ECU])
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE ()