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 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 assembly) detects sliding roof switch is stuck for 30 seconds or more.

  • Sliding roof ECU (Sliding roof drive gear assembly)

  • Sliding roof switch (Power slide door control switch) (for front side)

  • Sliding roof switch (Integration control and panel assembly) (for rear side)

  • Wire harness or connector

WIRING DIAGRAM

Refer to DTC B2341 Click here.

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (FRONT AND REAR SLIDING ROOF SWITCHES)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the intelligent tester on.

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

    5. Read the Data List according to the display on the intelligent tester.

      Slide Roof (Sliding Roof ECU (Sliding Roof Drive Gear Assembly))
      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)

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

    NG

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

    OK

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

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


    1. A01CBRYE03

      Disconnect the M2 ECU connector.

    2. Disconnect the R14 switch connector.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      M2-6 (OPN) - Body ground Always 10 kΩ or higher
      M2-7 (CLS) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (SLIDING ROOF SWITCH (POWER SLIDE DOOR CONTROL SWITCH))


    1. A01CBRYE03

      Reconnect the R14 switch connector.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      M2-6 (OPN) - Body ground Front sliding roof switch off 10 kΩ or higher
      M2-7 (CLS) - Body ground Front sliding roof switch off 10 kΩ or higher

    NG

    REPLACE SLIDING ROOF SWITCH (POWER SLIDE DOOR CONTROL SWITCH) (for Front Side) Click here

    OK

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


    1. A01CBRYE03

      Disconnect the R9 switch connector.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      M2-6 (OPN) - Body ground Always 10 kΩ or higher
      M2-7 (CLS) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (SLIDING ROOF SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY))


    1. A01CBRYE03

      Reconnect the R9 switch connector.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      M2-6 (OPN) - Body ground Rear sliding roof switch off 10 kΩ or higher
      M2-7 (CLS) - Body ground Rear sliding roof switch off 10 kΩ or higher

    NG

    REPLACE SLIDING ROOF SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) (for Rear Side) Click here

    OK

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