SLIDING ROOF SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

This DTC is output when the sliding roof ECU (sliding roof drive gear sub-assembly) detects that the sliding roof switch is stuck for 30 seconds or more.

DTC Code DTC Detection Condition Trouble Area
B2342 Sliding roof ECU (sliding roof drive gear sub-assembly) detects sliding roof switch is stuck for 30 seconds or more.

  • Sliding roof ECU (Sliding roof drive gear sub-assembly)

  • Sliding roof switch (Roof console box assembly)

  • Wire harness or connector

WIRING DIAGRAM

Refer to DTC B2341 Click here.

INSPECTION PROCEDURE

Note


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

  • When the sliding roof ECU (sliding roof drive gear sub-assembly) is replaced or removed and reinstalled, it requires initialization Click here.

PROCEDURE


  1. READ VALUE USING GTS (SLIDING ROOF SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Slide Roof / Data List.

    5. Read the Data List according to the display on the GTS.

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

      Fail: Sliding roof open signal failure (Current)

      Not Fail: Sliding roof open signal not fail (Current)

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

      Fail: Sliding roof close signal failure (Current)

      Not Fail: Sliding roof close signal not fail (Current)

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

      Fail: Sliding roof tilt up signal failure (Current)

      Not Fail: Sliding roof tilt up signal not fail (Current)

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

      Fail: Sliding roof tilt down signal failure (Current)

      Not Fail: Sliding roof tilt down signal not fail (Current)

      		 -
      OK
      "Not Fail" appears on the GTS screen.

    NG

    CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BODY GROUND) Click here

    OK

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

  2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BODY GROUND)


    1. A01EKPJE03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))

      Disconnect the P4 ECU connector.

    2. Disconnect the P6 switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P4-7 (OPN) - Body ground Always 10 kΩ or higher
      P4-8 (DWN) - Body ground Always 10 kΩ or higher
      P4-9 (CLS) - Body ground Always 10 kΩ or higher
      P4-10 (UP) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY))


    1. A01EKPJE03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))

      Reconnect the P6 switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P4-7 (OPN) - Body ground SLIDE OPEN switch off 10 kΩ or higher
      P4-8 (DWN) - Body ground TILT DOWN switch off 10 kΩ or higher
      P4-9 (CLS) - Body ground SLIDE CLOSE switch off 10 kΩ or higher
      P4-10 (UP) - Body ground TILT UP switch off 10 kΩ or higher

    NG

    REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) Click here

    OK

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here