LIGHTING SYSTEM(except 5L-E) TERMINALS OF ECU


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

    B001CIBC01
    *A Main Body ECU (Multiplex Network Body ECU) with 3 connectors *B for LHD
    *C for RHD - -
    *1 Main Body ECU (Multiplex Network Body ECU) - -
    B001HRGC01
    *A Main Body ECU (Multiplex Network Body ECU) with 2 connectors *B for LHD
    *C for RHD - -
    *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 connectors.

    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 None - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      A-31 (BECU) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      A-30 (ACC) - Body ground None - Body ground ACC power supply Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      A-11 (GND1) - Body ground None - 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 check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G218-6 (FLCY) - Body ground R - Body ground Front door courtesy light switch assembly LH signal Front door LH open Below 1 V
      Front door LH closed Pulse generation
      G218-27 (FRCY) - Body ground B - Body ground Front door courtesy light switch assembly RH signal Front door RH open Below 1 V
      Front door RH closed Pulse generation
      2N-30 (RCTY) - Body ground*1, *7 R - Body ground Rear door courtesy light switch assembly RH signal Rear door RH open Below 1 V
      Rear door RH closed Pulse generation
      2P-23 (RCTY) - Body ground*2, *7 R - Body ground Rear door courtesy light switch assembly RH signal Rear door RH open Below 1 V
      Rear door RH closed Pulse generation
      2Q-33 (LCTY) - Body ground*1, *7 V - Body ground Rear door courtesy light switch assembly LH signal Rear door LH open Below 1 V
      Rear door LH closed Pulse generation
      2O-15 (LCTY) - Body ground*2, *7 V - Body ground Rear door courtesy light switch assembly LH signal Rear door LH open Below 1 V
      Rear door LH closed Pulse generation
      2Q-27 (BCTY) - Body ground*1 G - Body ground Back door courtesy light switch assembly signal Back door open Below 1 V
      Back door close Pulse generation
      2N-27 (BCTY) - Body ground*2 G - Body ground Back door courtesy light switch assembly signal Back door open Below 1 V
      Back door close Pulse generation
      G216-27 (GCTY) - Body ground*3 V - Body ground Glass hatch courtesy light switch signal Glass hatch open Below 1 V
      Glass hatch close Pulse generation
      G216-4 (OILE) - Body ground*4 W - Body ground Foot light assembly (side step light) signal output Foot light assembly (side step light) on 11 to 14 V
      Foot light assembly (side step light) off Below 1 V
      G216-25 (ILDN) - Body ground*5 B - Body ground Room light switch assembly down signal Room light switch assembly down Below 1 V
      Room light switch assembly off 11 to 14 V
      G216-26 (ILUP) - Body ground*5 L - Body ground Room light switch assembly up signal Room light switch assembly up Below 1 V
      Room light switch assembly off 11 to 14 V
      2N-25 (DOME) - Body ground GR - Body ground Battery saving control (interior light auto cut function) signal Battery saving control (interior light auto cut function) operating Below 1 V
      Battery saving control (interior light auto cut function) not operating 11 to 14 V
      G216-24 (CSPT) - Body ground*8 GR - Body ground Map light assembly (shift lever illumination light) signal Ignition switch off 11 to 14 V
      Ignition switch ON or ACC Below 1 V
      2N-24 (FSPT) - Body ground*6 SB - Body ground No. 2 interior illumination light sub-assembly (footwell light) signal No. 2 interior illumination light sub-assembly (footwell light) off 11 to 14 V
      No. 2 interior illumination light sub-assembly (footwell light) on Below 1 V
      2N-19 (ILE) - Body ground G - 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
      2N-31 (ILE) - Body ground SB - 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
      2O-41 (LSFR) - Body ground G - Body ground Front door unlock detection switch RH signal Front door RH unlocked Below 1 V
      Ignition switch off, all doors closed and front door RH locked Pulse generation
      2N-12 (LSFL) - Body ground G - Body ground Front door unlock detection switch LH signal Front door LH unlocked Below 1 V
      Ignition switch off, all doors closed and front door LH locked Pulse generation
      2Q-26 (LSWL) - Body ground*1, *7 B - Body ground Rear door unlock detection switch LH signal Rear door LH unlocked Below 1 V
      Ignition switch off, all doors closed, rear door LH locked Pulse generation
      2O-38 (LSWL) - Body ground*2, *7 B - Body ground Rear door unlock detection switch LH signal Rear door LH unlocked Below 1 V
      Ignition switch off, all doors closed, rear door LH locked Pulse generation
      G216-2 (LSWR) - Body ground*7 V - Body ground Rear door unlock detection switch RH signal Rear door RH unlocked Below 1 V
      Ignition switch off, all doors closed, rear door RH locked Pulse generation
      G218-17 (LSWB) - Body ground SB - Body ground Back door unlock detection switch signal Back door unlocked Below 1 V
      Ignition switch off, all doors closed, back door locked Pulse generation
      G216-21 (LED1) - Body ground*5 SB - Body ground Front door illumination lights output Front door illumination lights off 11 to 14 V
      Front door illumination lights on Below 1 V
      G216-22 (LED2) - Body ground*5, *7 SB - Body ground Rear door illumination lights output Rear door illumination lights off 11 to 14 V
      Rear door illumination lights on Below 1 V
      2O-33 - Body ground G - Body ground Taillight signal Ignition switch ON, light control switch in tail or head position 11 to 14 V
      Ignition switch ON, light control switch off Below 1 V

      *1: for LHD

      *2: for RHD

      *3: w/ Glass Hatch Opener System

      *4: w/ Side Step Light

      *5: w/ Door Illumination Light

      *6: w/ Footwell Light

      *7: for 5 Door

      *8: w/ Shift Lever Illumination Light

  2. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Entry and Start System)

    B001DXGN01

    1. Disconnect the G215 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
      G215-10 (+B) - Body ground V - Body ground Battery power supply Always 11 to 14 V
      G215-11 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the G215 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
      G215-17 (SWIL) - G215-12 (AGND) B - GR Engine switch illumination operation signal Engine switch illumination on 11 to 14 V
      Engine switch illumination off Below 1 V

  3. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH (w/ Door Mirror Foot Light)

    B001CKHE29

    1. Disconnect the K12 outer mirror control ECU assembly LH connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      K12-5 (SIG) - K12-7 (GND) G - W-B Ignition power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      K12-6 (CPUB) - K12-7 (GND) L - W-B Battery power supply Always 11 to 14 V
      K12-14 (BDR) - K12-7 (GND) R - W-B Battery power supply Always 11 to 14 V
      K12-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the K12 outer mirror control ECU assembly LH connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z18-2 (LP+) - z18-12 (HTR-) - Outer rear view mirror assembly LH (foot light) output signal Outer rear view mirror assembly LH (foot light) on 11 to 14 V
      Outer rear view mirror assembly LH (foot light) off Below 1 V

  4. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY RH (w/ Door Mirror Foot Light)

    B001CKHE30

    1. Disconnect the J12 outer mirror control ECU assembly RH connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      J12-5 (SIG) - J12-7 (GND) G - W-B Ignition power supply Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      J12-6 (CPUB) - J12-7 (GND) L - W-B Battery power supply Always 11 to 14 V
      J12-14 (BDR) - J12-7 (GND) G - W-B Battery power supply Always 11 to 14 V
      J12-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the J12 outer mirror control ECU assembly RH connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      z19-2 (LP+) - z19-12 (HTR-) - Outer rear view mirror assembly RH (foot light) output signal Outer rear view mirror assembly RH (foot light) on 11 to 14 V
      Outer rear view mirror assembly RH (foot light) off Below 1 V