ROOF SUNSHADE SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

This DTC is stored when the sliding roof drive gear assembly detects that the slide roof motor switch is stuck for 30 seconds or more.

DTC Code DTC Detection Condition Trouble Area
B2342 Sliding roof drive gear assembly detects that the slide roof motor switch in the map light assembly is stuck for 30 seconds or more.

  • Sliding roof drive gear assembly

  • Slide roof motor switch

  • Wire harness or connector

WIRING DIAGRAM

A005MG1E01

CAUTION / NOTICE / HINT

Note


  • When the sliding roof drive gear assembly is reinstalled or replaced, the roof sunshade system must be initialized.

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

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check the DTCs Click here.

      Result
      Result Proceed to
      DTC B2342 is output A
      No DTC is output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER (SWITCH STATUS)


    1. Use the Data List to check if the roof sunshade switch is functioning properly Click here.

      Sliding Roof
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Open Switch Failure(Past) Open switch failure signal (Past)/Fail or Not Fail

      Fail: Roof sunshade open signal failure (Past)

      Not Fail: No roof sunshade open signal failure (Past)

      		 -
      Close Switch Failure(Past) Close switch failure signal (Past)/Fail or Not Fail

      Fail: Roof sunshade close signal failure (Past)

      Not Fail: No roof sunshade close signal failure (Past)

      		 -
      Open Switch Failure(Current) Open switch failure signal (Current)/Fail or Not Fail

      Fail: Roof sunshade open signal failure (Current)

      Not Fail: No roof sunshade open signal failure (Current)

      		 -
      Close Switch Failure(Current) Close switch failure signal (Current)/Fail or Not Fail

      Fail: Roof sunshade close signal failure (Current)

      Not Fail: No roof sunshade close signal failure (Current)

      		 -
      OK
      "Not Fail" appears on screen.

    OK

    REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY Click here

    NG

  3. INSPECT SLIDE ROOF MOTOR SWITCH


    1. Remove the slide roof motor switch Click here.

    2. Inspect the slide roof motor switch Click here.


    NG

    REPLACE SLIDE ROOF MOTOR SWITCH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR ASSEMBLY - SLIDE ROOF MOTOR SWITCH)


    1. Disconnect the a1 sliding roof drive gear assembly connector.

    2. Disconnect the L7 slide roof motor switch connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      L7-1 (OPN) - a1-7 Always Below 1 Ω
      L7-2 (CLS) - a1-9 Always Below 1 Ω
      L7-3 (E) - Body ground Always Below 1 Ω
      a1-2- Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      L7-1 (OPN) or a1-7 - Body ground Always 10 kΩ or higher
      L7-2 (CLS) or a1-9 - Body ground Always 10 kΩ or higher

    OK

    REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR