SLIDING ROOF SYSTEM > TERMINALS OF ECU

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

B050671E03

  1. Disconnect the Y10 ECU connector.

  2. Measure the resistance and voltage of the wire harness side connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    B (Y10-5) - E (Y10-7)
    		L - W-B
    		+B Power supply
    		Always
    		10 to 14 V
    IG (Y10-6) - E (Y10-7)
    		V - W-B
    		Engine switch power supply
    		Engine switch off
    		Below 1 V
    IG (Y10-6) - E (Y10-7)
    		V - W-B
    		Engine switch power supply
    		Engine switch on (IG)
    		10 to 14 V
    OPN (Y10-9) - E (Y10-7)
    		B - W-B
    		Sliding roof motor open
    		SLIDE OPEN switch OFF
    		10 kΩ or higher
    OPN (Y10-9) - E (Y10-7)
    		B - W-B
    		Sliding roof motor open
    		SLIDE OPEN switch ON
    		Below 1 Ω
    CLS (Y10-8) - E (Y10-7)
    		SB - W-B
    		Sliding roof motor close
    		SLIDE CLOSE switch OFF
    		10 kΩ or higher
    CLS (Y10-8) - E (Y10-7)
    		SB - W-B
    		Sliding roof motor close
    		SLIDE CLOSE switch ON
    		Below 1 Ω
    UP (Y10-3) - E (Y10-7)
    		O - W-B
    		Sliding roof motor up
    		TILT UP switch OFF
    		10 kΩ or higher
    UP (Y10-3) - E (Y10-7)
    		O - W-B
    		Sliding roof motor up
    		TILT UP switch ON
    		Below 1 Ω
    DWN (Y10-4) - E (Y10-7)
    		L - W-B
    		Sliding roof motor down
    		TILT DOWN switch OFF
    		10 kΩ or higher
    DWN (Y10-4) - E (Y10-7)
    		L - W-B
    		Sliding roof motor down
    		TILT DOWN switch ON
    		Below 1 Ω
    E (Y10-7) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω

  3. Reconnect the Y10 ECU connector.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    OPN (Y10-9) - E (Y10-7)
    		B - W-B
    		Sliding roof motor open
    		Engine switch on (IG), sliding roof closed, SLIDE OPEN switch OFF
    		Below 1 V
    OPN (Y10-9) - E (Y10-7)
    		B - W-B
    		Sliding roof motor open
    		Engine switch on (IG), sliding roof closed, SLIDE OPEN switch ON
    		10 to 14 V
    CLS (Y10-8) - E (Y10-7)
    		SB - W-B
    		Sliding roof motor close
    		Engine switch on (IG), sliding roof open, SLIDE CLOSE switch OFF
    		Below 1 V
    CLS (Y10-8) - E (Y10-7)
    		SB - W-B
    		Sliding roof motor close
    		Engine switch on (IG), sliding roof open, SLIDE CLOSE switch ON
    		10 to 14 V
    UP (Y10-3) - E (Y10-7)
    		O - W-B
    		Sliding roof motor up
    		Engine switch on (IG), sliding roof tilted downward, TILT UP switch OFF
    		Below 1 V
    UP (Y10-3) - E (Y10-7)
    		O - W-B
    		Sliding roof motor up
    		Engine switch on (IG), sliding roof tilted downward, TILT UP switch ON
    		10 to 14 V
    DWN (Y10-4) - E (Y10-7)
    		L - W-B
    		Sliding roof motor down
    		Engine switch on (IG), sliding roof tilted upward, TILT DOWN switch OFF
    		Below 1 V
    DWN (Y10-4) - E (Y10-7)
    		L - W-B
    		Sliding roof motor down
    		Engine switch on (IG), sliding roof tilted upward, TILT DOWN switch ON
    		10 to 14 V
    If the result is not as specified, the ECU may have a malfunction.