POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK COWL SIDE JUNCTION BLOCK LH, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    A01WQEAE03
    Text in Illustration
    *1 Cowl Side Junction Block LH - -
    A01WSH8E02
    Text in Illustration
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the cowl side junction block LH.


    2. Connect the cowl side junction block LH 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-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω
      A-30 (ACC) - Body ground None - Body ground ACC power supply Engine switch on (ACC) 11 to 14 V
      Engine switch Off Below 1 V
      A-31 (BECU) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground None - Body ground IG power supply Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

    4. Install the main body ECU (multiplex network body ECU) to the cowl side junction block LH.


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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2I-7 (GSW) - Body ground B - Body ground

      Airbag sensor signal

      (collision detection signal)

      		 Engine switch on (IG) with airbag sensor assembly connector disconnected 2.8 to 4.3 V
      2I-9 (ACTD) - Body ground LA-L - Body ground Door lock motor unlock drive output signal (driver door) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder unlocked 11 to 14 V
      2J-3 (ACT-) - Body ground LA-L - Body ground Door lock motor unlock drive output signal (front passenger side door and rear door RH) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder unlocked 11 to 14 V
      2J-4 (ACT-) - Body ground LA-V - Body ground Door lock motor unlock drive output signal (rear door RH) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder unlocked 11 to 14 V
      2J-5 (ACT+) - Body ground LA-B - Body ground Door lock motor lock drive output signal (front passenger side door) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder locked 11 to 14 V
      2J-6 (ACT+) - Body ground LA-R - Body ground Door lock motor lock drive output signal (driver door) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder locked 11 to 14 V
      2J-7 (ACT+) - Body ground LA-GR - Body ground Door lock motor lock drive output signal (rear door RH) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder locked 11 to 14 V
      2J-16 (LSFR) - Body ground B - Body ground Front door RH unlock detection switch input signal Front door RH unlocked Below 1 V
      Engine switch Off, all doors closed and front door RH locked Pulse generation
      2J-19 (LSFL) - Body ground G - Body ground Front door LH unlock detection switch input signal Front door LH unlocked Below 1 V
      Engine switch Off, all doors closed and front door LH locked Pulse generation
      2J-21 (UL1) - Body ground LG - Body ground Door control switch assembly input Door control switch assembly off Pulse generation
      Door control switch assembly on (unlock) Below 1 V
      2J-26 (L1) - Body ground L - Body ground Door control switch assembly input Door control switch assembly off Pulse generation
      Door control switch assembly on (lock) Below 1 V
      2J-29 (RCTY) - Body ground BE - Body ground Rear door courtesy light switch assembly RH input signal Rear door RH open Below 1 V
      Rear door RH closed Pulse generation
      2K-7 (ACT+) - Body ground LA-SB - Body ground Door lock motor lock drive output signal (rear door LH) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder locked 11 to 14 V
      2K-8 (TR+) - Body ground*1 G - Body ground Back door lock motor drive output Back door closed Below 1 V
      Back door open 11 to 14 V
      2K-9 (ACT-) - Body ground LA-P - Body ground Door lock motor unlock drive output signal (rear door LH and back door*6) Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder off Below 1 V
      Multiplex network master switch assembly (door control switch), power window regulator switch assembly (door control switch) or driver door key cylinder unlocked 11 to 14 V
      2K-31 (BCTY) - Body ground*1 W - Body ground Back door courtesy light switch input Back door closed Below 1 V
      Back door open Pulse generation
      2K-33 (LSWL) - Body ground L - Body ground Rear door LH unlock detection switch input signal Rear door LH unlocked Below 1 V
      Engine switch Off, all doors closed and rear door LH locked Pulse generation
      2K-34 (LCTY) - Body ground BE - Body ground Rear door courtesy light switch assembly LH input signal Rear door LH open Below 1 V
      Rear door LH closed Pulse generation
      E117-2 (LSWR) - Body ground W - Body ground Rear door RH unlock detection switch input signal Rear door RH unlocked Below 1 V
      Engine switch Off, all doors closed and rear door RH locked 11 to 14 V
      E117-3 (ACTG) - Body ground B - Body ground Collision door lock release signal Collision door lock release function does not operate

      Below 2 V*2

      7.3 to 9.9 V*3
      Collision door lock release function operates Below 1 V
      E118-2 (UL3) - Body ground P - Body ground Driver door key-linked unlock input Driver door key cylinder turned to neutral position Pulse generation
      Driver door key cylinder turned to on (unlock) Below 1 V
      E118-6 (FLCY) - Body ground V - Body ground Front door courtesy light switch assembly LH input signal Front door LH open Below 1 V
      Front door LH closed Pulse generation
      E118-27 (FRCY) - Body ground V - Body ground Front door courtesy light switch assembly RH input signal Front door RH open Below 1 V
      Front door RH closed Pulse generation
      E118-29 (L2) - Body ground G - Body ground Driver door key-linked unlock input Driver door key cylinder turned to neutral position Pulse generation
      Driver door key cylinder turned to on (lock) Below 1 V

      Tech Tips

      *1: w/o Power Back Door

      *2: Door control battery not charged

      *3: Door control battery charging or charged

      If the result is not as specified, the ECU may have a malfunction.