REAR SUNSHADE SYSTEM > TERMINALS OF ECU

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CHECK REAR SUNSHADE RELAY

B081618E02

  1. Disconnect the W24 relay connector.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    B (W24-1) - E (W39-5)
    		L - W-B
    		Power supply for rear sunshade relay
    		Engine switch off
    		Below 1 V
    B (W24-1) - E (W39-5)
    		L - W-B
    		Power supply for rear sunshade relay
    		Engine switch on (IG)
    		10 to 14 V
    E (W24-5) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side connector.


CHECK NO. 1 JUNCTION BLOCK ASSEMBLY

E106723E02

  1. Disconnect the LB, LC, and LF junction block connectors.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    LB-1 (RRS) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch off
    		Below 1 V
    LB-1 (RRS) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch on (IG)
    		10 to 14 V
    LC-15 (ECUB) - Body ground
    		B - Body ground
    		Battery
    		Always
    		10 to 14 V
    LF-1 (PGND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side connectors.

  3. Reconnect the LB, LC and LF junction block connectors.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    REV (LC-27) -Body ground
    		Y - W-B
    		Reverse signal
    		Engine switch on (IG), shift lever on P
    		Below 1 V
    REV (LC-27) -Body ground
    		Y - W-B
    		Reverse signal
    		Engine switch on (IG), shift lever on R
    		10 to 14 V
    SW (LC-26) - Body ground)
    		L - W-B
    		Rear sunshade switch signal
    		Engine switch on (IG), rear sunshade switch not pushed
    		10 to 14 V
    SW (LC-26) - Body ground)
    		L - W-B
    		Rear sunshade switch signal
    		Engine switch on (IG), rear sunshade switch pushed
    		Below 1.5 V
    If the result is not as specified, the relay may have a malfunction.