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Terminals Of Ecu

  1. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) 
    Fig 1: Identifying Sliding Roof Drive Gear Sub-Assembly (Sliding Roof ECU) Connector
    G04946943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the X5 ECU connector.
    2. Measure the resistance and voltage according to the value(s) in the table below.
      SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) DISCONNECT X5 ECU CONNECTOR

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X5-1 (B) - X5-2 (E) B-W-B +B power supply Always 11 to 14 V
      X5-5 (IG) - X5-2 (E) L-W-B Power supply Engine switch off Below 1 V
      X5-5 (IG) - X5-2 (E) L-W-B Power supply Engine switch on (IG) 11 to 14 V
      X5-7 (OPN) - X5-2 (E) G-W-B Sliding roof motor open SLIDE OPEN switch OFF 10 kΩ or higher
      X5-7 (OPN) - X5-2 (E) G-W-B Sliding roof motor open SLIDE OPEN switch ON Below 1 Ω
      X5-9 (CLS) - X5-2 (E) Y-W-B Sliding roof motor close SLIDE CLOSE switch OFF 10 kΩ or higher
      X5-9 (CLS) - X5-2 (E) Y-W-B Sliding roof motor close SLIDE CLOSE switch ON Below 1 Ω
      X5-10(UP)-X5-2(E) R-W-B Sliding roof motor up TILT UP switch OFF 10 kΩ or higher
      X5-10 (UP) - X5-2 (E) R-W-B Sliding roof motor up TILT UP switch ON Below 1 Ω
      X5-8 (DWN) - X5-2 (E) B-W-B Sliding roof motor down TILT DOWN switch OFF 10 kΩ or higher
      X5-8 (DWN) - X5-2 (E) B-W-B Sliding roof motor down TILT DOWN switch ON Below 1 Ω
      X5-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the X5 ECU connector.
    4. Measure the voltage according to the value(s) in the table below.
      SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) RECONNECT X5 ECU CONNECTOR

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X5-7 (OPN) - X5-2 (E) G-W-B Sliding roof motor open Engine switch on (IG), SLIDE OPEN switch OFF Below 1 V
      X5-7 (OPN) - X5-2 (E) G-W-B Sliding roof motor open Engine switch on (IG), SLIDE OPEN switch ON 11 to 14 V
      X5-9 (CLS) - X5-2 (E) Y-W-B Sliding roof motor close Engine switch on (IG), SLIDE CLOSE switch OFF Below 1 V
      X5-9 (CLS) - X5-2 (E) Y-W-B Sliding roof motor close Engine switch on (IG), SLIDE CLOSE switch ON 11 to 14 V
      X5-10(UP)-X5-2(E) R-W-B Sliding roof motor up Engine switch on (IG), TILT UP switch OFF Below 1 V
      X5-10 (UP) - X5-2 (E) R-W-B Sliding roof motor up Engine switch on (IG), TILT UP switch ON 11 to 14 V
      X5-8 (DWN) - X5-2 (E) B-W-B Sliding roof motor down Engine switch on (IG), TILT DOWN switch OFF Below 1 V
      X5-8 (DWN) - X5-2 (E) B-W-B Sliding roof motor down Engine switch on (IG), TILT DOWN switch ON 11 to 14 V

      If the result is not as specified, the ECU may have a malfunction.

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