SLIDING ROOF SYSTEM Sliding Roof ECU Power Source Circuit

DESCRIPTION

If the sliding function and tilt function do not operate, there may be a malfunction in the sliding roof drive gear sub-assembly power source circuit.

WIRING DIAGRAM

A01XKWKE03

CAUTION / NOTICE / HINT

Note


  • When the sliding roof drive gear sub-assembly is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly must be initialized Click here.

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

PROCEDURE


  1. READ VALUE USING GTS (ENGINE SWITCH SIGNAL)


    1. Use the Data List to check if the ignition switch signal is functioning properly Click here.

      Sliding Roof
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Ignition (Direct Signal) Ignition switch signal / ON or OFF

      ON: Ignition switch ON

      OFF: Ignition switch off

      -
      Ignition (MPX) Ignition switch signal (LIN signal) / ON or OFF

      ON: Ignition switch ON

      OFF: Ignition switch off

      -
      OK
      The intelligent tester displays as shown in the table according to the operation of each switch.

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

    B001FUWN05
    Text in Illustration
    *a

    Front view of wire harness connector

    (to Sliding Roof Drive Gear Sub-assembly)


    1. Disconnect the W20 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W20-12 (E) - Body ground Always Below 1 Ω
      Standard Voltage
      Tester Connection Condition Specified Condition
      W20-8 (B) - Body ground Always 11 to 14 V

    OK
    NG