ROOF SUNSHADE SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

This DTC is stored when the sliding roof drive gear detects that the roof sunshade switch in the map light is stuck for 30 seconds or more.

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

  • Sliding roof drive gear

  • Map light (Roof sunshade switch)

  • Harness or connector

WIRING DIAGRAM

A003B4LE01

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
      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)

      		 -
      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(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(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)

      		 -
      OK
      "Not Fail" appears on screen.

    NG

    INSPECT MAP LIGHT ASSEMBLY (ROOF SUNSHADE SWITCH) Click here

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

  3. INSPECT MAP LIGHT ASSEMBLY (ROOF SUNSHADE SWITCH)

    A003BGXE02
    Text in Illustration
    *1

    Component without harness connected

    (Map Light)

    1. Remove the map light Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      8 (UP) - 7 (GND) Open switch is pressed Below 1 Ω
      8 (UP) - 7 (GND) Open switch is not pressed 10 kΩ or higher
      9 (DOWN) - 7 (GND) Close switch is pressed Below 1 Ω
      9 (DOWN) - 7 (GND) Close switch is not pressed 10 kΩ or higher

    NG

    REPLACE MAP LIGHT ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY)

    A003EGJE01
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Sliding Roof Drive Gear)
    *2

    Front view of wire harness connector

    (to Map Light)

    1. Disconnect the K9 drive gear connector.

    2. Disconnect the K7 map light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K9-7 (OPEN) - K7-8 (UP) Always Below 1 Ω
      K9-9 (CLOSE) - K7-9 (DOWN) Always Below 1 Ω
      K7-7 (GND) - Body ground Always Below 1 Ω
      K9-2 (E) - Body ground Always Below 1 Ω
      K9-7 (OPEN) or K7-8 (UP) - Body ground Always 10 kΩ or higher
      K9-9 (CLOSE) or K7-9 (DOWN) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here