POWER BACK DOOR SYSTEM, Diagnostic DTC:B2229

DTC Code DTC Name
B2229 PBD Unit Motor RH Circuit

DESCRIPTION

This DTC is output when the multiplex network door ECU detects a power back door unit assembly set RH motor malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2229 PBD Unit Motor RH Circuit This DTC is output when the multiplex network door ECU detects a power back door unit assembly set RH motor malfunction.

  • Multiplex network door ECU

  • Power back door unit assembly set RH

  • Harness or connector

WIRING DIAGRAM

B0029C8E12
*a Power Back Door Unit Assembly Set RH
*b Multiplex Network Door ECU

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Back Door > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > Back Door > Trouble Codes
      Result
      Proceed to
      DTC B2229 is not output
      DTC B2229 is output

    DTC B2229 is not output

    USE SIMULATION METHOD TO CHECK Click here

    DTC B2229 is output

  2. INSPECT POWER BACK DOOR UNIT ASSEMBLY SET RH


    1. Fully open the back door.

    2. B0029R4C03
      *a

      Component without harness connected

      (Power Back Door Unit Assembly Set RH)

      Disconnect the power back door unit assembly set RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (BD+2) - Body ground Always 10 kΩ or higher
      2 (BD-2) - Body ground Always 10 kΩ or higher
      1 (BD+2) - 2 (BD-2) Always Below 1 MΩ
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER BACK DOOR UNIT ASSEMBLY SET RH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR UNIT ASSEMBLY SET RH)


    1. Disconnect the U19 multiplex network door ECU connector.

    2. Disconnect the U20 power back door unit assembly set RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U19-2 (BD+2) - U20-1 (BD+2) Always Below 1 Ω
      U19-1 (BD-2) - U20-2 (BD-2) Always Below 1 Ω
      U19-2 (BD+2) or U20-1 (BD+2) - Body ground Always 10 kΩ or higher
      U19-1 (BD-2) or U20-2 (BD-2) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR