ROOF SUNSHADE SYSTEM Roof Sunshade does not Move by Operating Roof Sunshade Switch

DESCRIPTION

The roof sunshade ECU (sliding roof drive gear sub-assembly) receives switch signals and drives its built-in motor.

WIRING DIAGRAM

A01NH5TE02

INSPECTION PROCEDURE

Note


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

  • When the roof sunshade ECU (sliding roof drive gear sub-assembly) is reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear sub-assembly) must be initialized Click here.

  • Since the roof sunshade system has functions that use LIN communication, first confirm that there is no malfunction in the LIN communication functions in accordance with the How to Proceed with Troubleshooting procedure Click here.

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

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

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

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

      		 -
      OK
      The intelligent tester display changes according to switch operation as shown in the table.

    NG

    INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU - AUXILIARY BATTERY, BODY GROUND)


    1. A01NHRDE08
      Text in Illustration
      *1

      Front view of wire harness connector

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

      Disconnect the T2 ECU connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      T2-1 (B) - Body ground Power switch off 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T2-2 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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

  3. INSPECT ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY)


    1. A01NG9KE01
      Text in Illustration
      *1

      Component without harness connected

      (Roof Sunshade Switch (Map Light Assembly))

      Remove the roof sunshade switch (map light assembly) Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      T10-38 (CLS) - T10-40 (GND) CLOSE switch is pressed Below 1 Ω
      T10-38 (CLS) - T10-40 (GND) CLOSE switch is not pressed 10 kΩ or higher
      T10-37 (OPN) - T10-40 (GND) OPEN switch is pressed Below 1 Ω
      T10-37 (OPN) - T10-40 (GND) OPEN switch is not pressed 10 kΩ or higher

    NG

    REPLACE ROOF SUNSHADE SWITCH (MAP LIGHT ASSEMBLY) Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU - ROOF SUNSHADE SWITCH)


    1. A01NGSZE06
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Roof Sunshade ECU (Sliding Roof Drive Gear Sub-assembly))
      *2

      Front view of wire harness connector

      (to Roof Sunshade Switch (Map Light Assembly))

      Disconnect the T10 switch connector.

    2. Disconnect the T2 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T2-9 (CLS) - T10-38 (CLS) Always Below 1 Ω
      T2-9 (CLS) - Body ground Always 10 kΩ or higher
      T2-7 (OPN) - T10-37 (OPN) Always Below 1 Ω
      T2-7 (OPN) - Body ground Always 10 kΩ or higher
      T10-40 (GND) - Body ground Always Below 1 Ω
      T2-2 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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