Click here

POWER BACK DOOR SYSTEM ECU Power Source Circuit

Click here
Click here Click here
DTC Code DTC Name
  ECU Power Source Circuit
Click here

DESCRIPTION

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

Click here

WIRING DIAGRAM

Click here

INSPECTION PROCEDURE

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Click here

PROCEDURE


  1. Click here

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


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

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L52-10 (ECUB) - Body ground Always 11 to 14 V
      L52-12 (B) - Body ground Always 11 to 14 V
      L52-8 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      L52-8 (IG) - Body ground Engine switch off Below 1 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L52-11 (GND) - Body ground Always Below 1 Ω
      Table 1. Text in Illustration
      *a

      Front view of wire harness connector

      (to Power Back Door Unit Assembly [Power Back Door ECU])

  2. Click here

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

  3. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR