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REAR DOOR SUNSHADE SYSTEM TERMINALS OF ECU

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  1. CHECK REAR MULTIPLEX NETWORK DOOR ECU RH


    1. B004W3RN05

      Disconnect the K7 rear multiplex network door ECU RH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-1 (GND) - Body ground LA - Body ground Ground Always Below 1 Ω
      K7-4 (BDR) - Body ground B - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K7-11 (CPUB) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K7-12 (SIG) - Body ground L - Body ground IG power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

    3. Reconnect the K7 rear multiplex network door ECU RH connector.

    4. Measure the voltage, resistance and waveform according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K7-5 (SSA+) - Body ground LA-B - Body ground Rear curtain sub-assembly RH (door sunshade motor) signal Rear curtain sub-assembly RH (door sunshade motor) closing operation Pulse generation
      Rear curtain sub-assembly RH (door sunshade motor) not operating Below 1 V
      K7-6 (SSA-) - Body ground LA-L - Body ground Rear curtain sub-assembly RH (door sunshade motor) signal Rear curtain sub-assembly RH (door sunshade motor) opening operation Pulse generation
      Rear curtain sub-assembly RH (door sunshade motor) not operating Below 1 V
      K7-15 (SHS+) - Body ground B - Body ground Rear curtain sub-assembly RH (hall sensor) power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      K7-16 (SHS1) - Body ground L - Body ground Rear curtain sub-assembly RH (hall sensor 1) signal Rear curtain sub-assembly RH operating Pulse generation
      K7-17 (SHS2) - Body ground R - Body ground Rear curtain sub-assembly RH (hall sensor 2) signal Rear curtain sub-assembly RH operating Pulse generation
      K7-26 (SHS-) - Body ground Y - Body ground Rear curtain sub-assembly RH (hall sensor) ground Always Below 1 Ω

  2. CHECK REAR MULTIPLEX NETWORK DOOR ECU LH


    1. B004W3RN07

      Disconnect the K21 rear multiplex network door ECU LH connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-1 (GND) - Body ground LA - Body ground Ground Always Below 1 Ω
      K21-4 (BDR) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K21-11 (CPUB) - Body ground L - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      K21-12 (SIG) - Body ground B - Body ground IG power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

    3. Reconnect the K21 rear multiplex network door ECU LH connector.

    4. Measure the voltage, resistance and waveform according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K21-5 (SSAB) - Body ground LA-B - Body ground Rear curtain sub-assembly LH (door sunshade motor) signal Rear curtain sub-assembly LH (door sunshade motor) closing operation Pulse generation
      Rear curtain sub-assembly LH (door sunshade motor) not operating Below 1 V
      K21-6 (SSAE) - Body ground LA-L - Body ground Rear curtain sub-assembly LH (door sunshade motor) signal Rear curtain sub-assembly LH (door sunshade motor) opening operation Pulse generation
      Rear curtain sub-assembly LH (door sunshade motor) not operating Below 1 V
      K21-15 (SHSB) - Body ground B - Body ground Rear curtain sub-assembly LH (hall sensor) power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      K21-16 (SHS3) - Body ground L - Body ground Rear curtain sub-assembly LH (hall sensor 1) signal Rear curtain sub-assembly LH operating Pulse generation
      K21-17 (SHS4) - Body ground R - Body ground Rear curtain sub-assembly LH (hall sensor 2) signal Rear curtain sub-assembly LH operating Pulse generation
      K21-26 (SHSE) - Body ground Y - Body ground Rear curtain sub-assembly LH (hall sensor) ground Always Below 1 Ω