SLIDING ROOF SYSTEM Sliding Roof does not Move by Operating Sliding Roof Control Switch

DTC Code DTC Name
Sliding Roof does not Move by Operating Sliding Roof Control Switch

DESCRIPTION

The sliding roof drive gear sub-assembly (sliding roof ECU) receives slide and tilt signals when the sliding roof control switch is operated and drives its built-in motor.

WIRING DIAGRAM

B344650E01

CAUTION / NOTICE / HINT

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

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

    Click here

  • The sliding roof system uses the LIN communication system. First, confirm that there are no malfunctions in the LIN communication system. Refer to the How to Proceed with Troubleshooting procedure.

    Click here

    Click here

  • When a sliding roof drive gear sub-assembly (sliding roof ECU) DTC is output, first perform troubleshooting for the sliding roof drive gear sub-assembly (sliding roof ECU) DTC.

PROCEDURE

  1. READ VALUE USING GTS

    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 / Sliding Roof / Data List.

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

      Body Electrical > Sliding Roof > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Open Switch

      OPEN switch signal

      ON or OFF

      ON: OPEN switch pressed

      OFF: OPEN switch not pressed

      -

      Close Switch

      CLOSE switch signal

      ON or OFF

      ON: CLOSE switch pressed

      OFF: CLOSE switch not pressed

      -

      Up Switch

      UP switch signal

      ON or OFF

      ON: UP switch pressed

      OFF: UP switch not pressed

      -

      Down Switch

      DOWN switch signal

      ON or OFF

      ON: DOWN switch pressed

      OFF: DOWN switch not pressed

      -

      Body Electrical > Sliding Roof > Data List

      Tester Display

      Open Switch

      Close Switch

      Up Switch

      Down Switch

      OK

      The GTS display changes according to switch operation as shown in the table.

    Result

    Proceed to

    OK

    NG

    NG

    INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF CONTROL SWITCH)Click here

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

    1. B295816C08

      *a

      Front view of wire harness connector

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

      Disconnect the sliding roof drive gear sub-assembly (sliding roof ECU) connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      Q8-8 (B) - Body ground

      Always

      11 to 14 V

      Q8-1 (IG) - Body ground

      Ignition switch ON

      11 to 14 V

      Q8-1 (IG) - Body ground

      Ignition switch off

      Below 1 V

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      Q8-12 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF CONTROL SWITCH)

    1. B338690N02

      Remove the map light assembly (sliding roof control switch).

      Click here

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

      Standard Resistance

      Tester Connection

      Switch Condition

      Specified Condition

      5 (UP) - 1 (GND3)

      UP switch is pressed

      Below 1 Ω

      5 (UP) - 1 (GND3)

      UP switch is not pressed

      10 kΩ or higher

      4 (DOWN) - 1 (GND3)

      DOWN switch is pressed

      Below 1 Ω

      4 (DOWN) - 1 (GND3)

      DOWN switch is not pressed

      10 kΩ or higher

      3 (OPN) - 1 (GND3)

      OPEN switch is pressed

      Below 1 Ω

      3 (OPN) - 1 (GND3)

      OPEN switch is not pressed

      10 kΩ or higher

      2 (CLS) - 1 (GND3)

      CLOSE switch is pressed

      Below 1 Ω

      2 (CLS) - 1 (GND3)

      CLOSE switch is not pressed

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG

    NG

    REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF CONTROL SWITCH)

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

    1. Disconnect the Q7 map light assembly (sliding roof control switch) connector.

    2. Disconnect the Q8 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      Q8-5 (CLS) - Q7-2 (CLS)

      Always

      Below 1 Ω

      Q8-5 (CLS) - Body ground

      Always

      10 kΩ or higher

      Q8-7 (OPN) - Q7-3 (OPN)

      Always

      Below 1 Ω

      Q8-7 (OPN) - Body ground

      Always

      10 kΩ or higher

      Q8-6 (DWN) - Q7-4 (DOWN)

      Always

      Below 1 Ω

      Q8-6 (DWN) - Body ground

      Always

      10 kΩ or higher

      Q8-4 (UP) - Q7-5 (UP)

      Always

      Below 1 Ω

      Q8-4 (UP) - Body ground

      Always

      10 kΩ or higher

      Q7-1 (GND3) - Body ground

      Always

      Below 1 Ω

      Q8-12 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR