LIGHTING SYSTEM TERMINALS OF ECU


  1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    B004CRXC08
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

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    2. Connect the driver side junction block assembly.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A-32 (IG) - Body ground Note - Body ground Ignition power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      A-31 (BECU) - Body ground Note - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      A-30 (ACC) - Body ground Note - Body ground ACC power supply Power switch on (ACC) 11 to 14 V
      Power switch off Below 1 V
      A-11 (GND1) - Body ground Note - Body ground Ground Always Below 1 Ω

    4. Install the main body ECU (multiplex network body ECU).

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    5. Measure the voltage and pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      P9-20 (LED1) - Body ground G - Body ground Multi-display (interior illumination light assembly) output Multi-display (interior illumination light assembly) off 11 to 14 V
      Multi-display (interior illumination light assembly) on Below 1 V
      P9-21 (LED2) - Body ground SB - Body ground Front door trim board sub-assembly (door ambient illumination light) output Front door trim board sub-assembly (door ambient illumination light) off 11 to 14 V
      Front door trim board sub-assembly (door ambient illumination light) on Below 1 V
      P7-1 (FLCY) - Body ground R - Body ground Courtesy light switch LH input Front door LH open Below 1 V
      Front door LH closed 4.7 to 5.3 V
      P7-6 (FRCY) - Body ground SB - Body ground Courtesy light switch RH input Front door RH open Below 1 V
      Front door LH closed 4.7 to 5.3 V
      3D-27 (LGCY) - Body ground G - Body ground Luggage compartment door courtesy light switch input Luggage compartment door open Below 1 V
      Luggage compartment door closed 11 to 14 V
      P7-2 (FLCL) - Body ground V - Body ground Courtesy light assembly LH output Courtesy light assembly LH off 11 to 14 V
      Courtesy light assembly LH on Below 1 V
      P7-3 (FRCL) - Body ground G - Body ground Courtesy light assembly RH output Courtesy light assembly RH off 11 to 14 V
      Courtesy light assembly RH on Below 1 V
      P7-20 (TCYL) - Body ground BR - Body ground No. 1 luggage compartment light assembly output No. 1 luggage compartment light assembly off 11 to 14 V
      No. 1 luggage compartment light assembly on Below 1 V
      3D-31 (LSFL) - Body ground*1 P - Body ground Front door LH unlock detection switch input Front door LH locked Pulse generation
      Front door LH unlocked Below 1 V
      3B-14 (LSFR) - Body ground*1 GR - Body ground Front door RH unlock detection switch input Front door RH locked Pulse generation
      Front door RH unlocked Below 1 V
      3A-15 (LSFL) - Body ground*2 Y - Body ground Front door LH unlock detection switch input Front door LH locked Pulse generation
      Front door LH unlocked Below 1 V
      3D-31 (LSFR) - Body ground*2 P - Body ground Front door RH unlock detection switch input Front door RH locked Pulse generation
      Front door RH unlocked Below 1 V
      3A-36 (FSPT) - Body ground SB - Body ground No. 1 interior illumination light assembly LH (footwell light LH) output No. 1 interior illumination light assembly LH (footwell light LH) off 11 to 14 V
      No. 1 interior illumination light assembly LH (footwell light LH) on Below 1 V
      3A-37 (FSPT) - Body ground GR - Body ground No. 1 interior illumination light assembly RH (footwell light RH) output No. 1 interior illumination light assembly RH (footwell light RH) off 11 to 14 V
      No. 1 interior illumination light assembly RH (footwell light RH) on Below 1 V
      3B-5 - Body ground LA-W - Body ground Map light sub-assembly and vanity lights power supply DOME CUT D relay off 11 to 14 V
      DOME CUT D relay on Below 1 V
      3A-41 (ILE) - Body ground*1 LG - Body ground Interior lights drive output Interior lights off (when operated by illuminated entry system) 11 to 14 V
      Interior lights on (when operated by illuminated entry system) Below 1 V
      3B-13 (ILE) - Body ground*2 LG - Body ground Interior lights drive output Interior lights off (when operated by illuminated entry system) 11 to 14 V
      Interior lights on (when operated by illuminated entry system) Below 1 V
      P7-8 (ACAN) - Body ground Y - Body ground Dimming signal for other system (Output) Power switch on (IG), automatic light control sensor covered by hand, and light control switch in AUTO position 11 to 14 V
      Power switch on (IG), automatic light control sensor not covered by hand, and light control switch in AUTO position Below 1 V
      3A-38 - Body ground*1 LA-G - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V
      3A-39 - Body ground*1 LA-R - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V
      3A-40 - Body ground*1 LA-L - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V
      3A-16 - Body ground*2 LA-R - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V
      3A-17 - Body ground*2 LA-L - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V
      3A-18 - Body ground*2 LA-G - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V
      3D-20 - Body ground LA-G - Body ground Taillight signal Power switch on (IG), light control switch TAIL 11 to 14 V
      Power switch on (IG), light control switch off Below 1 V

      *1: for LHD

      *2: for RHD

  2. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    B004AAPN44

    1. Disconnect the P66 certification ECU (smart key ECU assembly) 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
      P66-4 (+B) - Body ground W - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      P66-15 (CUTB)- Body ground P - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      P66-18 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the P66 certification ECU (smart key ECU assembly) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      P66-10 (SWIL) - P66-11 (AGND) B - L Power switch illumination drive output Power switch illumination on 11 to 14 V
      Power switch illumination off Below 1 V

  3. COMBINATION METER ASSEMBLY

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