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

E365367E12

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

    DTC B2229 is output
  2. INSPECT POWER BACK DOOR UNIT ASSEMBLY SET RH

    1. Fully open the back door.

    2. E357428C03

      *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

    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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR