SLIDING ROOF SYSTEM > TERMINALS OF ECU

for Preparation Click here



CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
B050671E75

  1. Disconnect the R9 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 (R9-1) - E (R9-2)
    		L - W-B
    		+B power supply
    		Always
    		11 to 14 V
    IG (R9-5) - E (R9-2)
    		L - W-B
    		Power supply
    		Ignition switch off
    		Below 1 V
    IG (R9-5) - E (R9-2)
    		L - W-B
    		Power supply
    		Ignition switch on (IG)
    		11 to 14 V
    DWN (R9-7) - E (R9-2)
    		GR - W-B
    		Sliding roof motor open
    		SLIDE OPEN switch OFF
    		10 kΩ or higher
    DWN (R9-7) - E (R9-2)
    		GR - W-B
    		Sliding roof motor open
    		SLIDE OPEN switch ON
    		Below 1 Ω
    UP (R9-9) - E (R9-2)
    		G - W-B
    		Sliding roof motor close
    		TILT UP switch OFF
    		10 kΩ or higher
    UP (R9-9) - E (R9-2)
    		G - W-B
    		Sliding roof motor close
    		TILT UP switch ON
    		Below 1 Ω
    E (R9-2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the R9 ECU connector.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    DWN (R9-7) - E (R9-2)
    		GR - W-B
    		Sliding roof motor open
    		Ignition switch on (IG), sliding roof closed, SLIDE OPEN switch OFF
    		Below 1 V
    DWN (R9-7) - E (R9-2)
    		GR - W-B
    		Sliding roof motor open
    		Ignition switch on (IG), sliding roof closed, SLIDE OPEN switch ON
    		11 to 14 V
    UP (R9-9) - E (R9-2)
    		G - W-B
    		Sliding roof motor closed
    		Ignition switch on (IG), sliding roof open, TILT UP switch OFF
    		Below 1 V
    UP (R9-9) - E (R9-2)
    		G - W-B
    		Sliding roof motor closed
    		Ignition switch on (IG), sliding roof open, TILT UP switch ON
    		11 to 14 V
    1. If the result is not as specified, the ECU may have a malfunction.