POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    B005AH5C01
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.


    2. Reconnect the instrument panel junction block assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω
      A-30 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      Engine switch off Below 1 V
      A-31 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      A-32 (IG) - 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 instrument panel junction block assembly.


    5. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I47-2 (LSWR) - Body ground Y - Body ground Rear door RH unlock detection switch input Rear door RH unlocked Below 1 V
      Rear door RH locked Pulse generation
      I47-21 (ACTG) - Body ground*7 L - Body ground Collision door lock release signal Collision door lock release function does not operate

      Below 2 V*8

      7.3 to 9.9 V*9
      Collision door lock release function operates Below 1 V
      I48-2 (UL3) - Body ground LG - Body ground Driver door key-linked unlock input Driver door key cylinder turned to neutral position → on (unlock) Pulse generation → Below 1 V
      I48-6 (FLCY) - Body ground G - Body ground Front door courtesy light switch LH input Front door LH open Below 1 V
      Front door LH closed Pulse generation
      I48-18 (BDSU) - Body ground*6 R - Body ground Back door opener switch input Back door opener switch assembly (open switch) off → on Pulse generation
      I48-27 (FRCY) - Body ground W - Body ground Front door courtesy light switch RH input Front door RH open Below 1 V
      Front door RH closed Pulse generation
      I48-29 (L2) - Body ground

      R - Body ground*1

      B - Body ground*2

      		 Driver door key-linked lock input Driver door key cylinder turned to neutral position → on (lock) Pulse generation → Below 1 V
      4A-1 (ACT-) - Body ground R - Body ground Door lock motor unlock drive output Door control switch or driver door key cylinder off → on (unlock) Below 1 V → 11 to 14 V → Below 1 V
      4A-4 (ACT+) - Body ground R - Body ground Door lock motor lock drive output Door control switch or driver door key cylinder off → on (lock) Below 1 V → 11 to 14 V → Below 1 V
      4A-18 (LCTY) - Body ground W - Body ground Rear door courtesy light switch LH input Rear door LH open Below 1 V
      Rear door LH closed Pulse generation
      4A-21 (BCTY) - Body ground

      LG - Body ground*3

      R - Body ground*4

      		 Back door courtesy light switch input Back door closed Below 1 V
      Back door open Pulse generation
      4A-25 (TR+) - Body ground*5 W - Body ground Back door lock motor drive output Back door closed → open Below 1 V → 11 to 14 V → Below 1 V
      4A-34 (LSWL) - Body ground Y - Body ground Rear door LH unlock detection switch input Rear door LH unlocked Below 1 V
      Rear door LH locked Pulse generation
      4D-4 (ACT-) - Body ground LG - Body ground Door lock motor unlock drive output Door control switch or driver door key cylinder off → on (unlock) Below 1 V → 11 to 14 V → Below 1 V
      4C-10 - Body ground R - Body ground Door lock power supply Door control switch or driver door key cylinder off → on (lock or unlock) 11 to 14 V → Below 1 V → 11 to 14 V
      4D-5 (ACT-) - Body ground B - Body ground Door lock motor unlock drive output Door control switch or driver door key cylinder off → on (unlock) Below 1 V → 11 to 14 V → Below 1 V
      4D-10 (ACTD) - Body ground B - Body ground Door lock motor unlock drive output Door control switch or driver door key cylinder off → on (unlock) Below 1 V → 11 to 14 V → Below 1 V
      4D-11 (ACT+) - Body ground R - Body ground Door lock motor lock drive output Door control switch or driver door key cylinder off → on (lock) Below 1 V → 11 to 14 V → Below 1 V
      4D-12 (ACT+) - Body ground R - Body ground Door lock motor lock drive output Door control switch or driver door key cylinder off → on (lock) Below 1 V → 11 to 14 V → Below 1 V
      4D-13 (ACT+) - Body ground P - Body ground Door lock motor lock drive output Door control switch or driver door key cylinder off → on (lock) Below 1 V → 11 to 14 V → Below 1 V
      4D-37 (RCTY) - Body ground Y - Body ground Rear door courtesy light switch RH input Rear door RH open Below 1 V
      Rear door RH closed Pulse generation
      4D-39 (LSFR) - Body ground P - Body ground Front door RH unlock detection switch input Front door RH unlocked Below 1 V
      Front door RH locked Pulse generation
      4D-40 (LSFL) - Body ground B - Body ground Front door LH unlock detection switch input Front door LH unlocked Below 1 V
      Front door LH locked Pulse generation
      4D-42 (L1) - Body ground V - Body ground Door control switch assembly input Door control switch assembly off → on (lock) Pulse generation → Below 1 V
      4D-46 (GSW) - Body ground B - Body ground Unlock detection input Engine switch on (IG) 2.8 to 4.3 V
      4D-55 (UL1) - Body ground W - Body ground Door control switch assembly input Door control switch assembly off → on (unlock) Pulse generation → Below 1 V

      • *1: for LHD

      • *2: for RHD

      • *3: w/ Rear Power Seat System

      • *4: w/o Rear Power Seat System

      • *5: w/o Power Back Door System

      • *6: w/o Entry Function

      • *7: w/ Door Control Battery

      • *8: Door control battery not charged

      • *9: Door control battery charging or charged

  2. CHECK CERTIFICATION ECU

    B0058T7N38

    1. Disconnect the I53 certification ECU (smart key ECU assembly) 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
      I53-10 (+B) - Body ground W - Body ground Battery power supply Always 11 to 14 V
      I53-11 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the I53 certification ECU (smart key ECU assembly) connector.

    4. Check for pulses according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I52-5 (TSW5) - Body ground* Y - Body ground Back door opener switch input Back door opener switch assembly (open switch) off → on Pulse generation
      I52-13 (TSW6) - Body ground* L - Body ground Back door opener switch input Back door opener switch assembly (lock switch) off → on Pulse generation

      • *: w/ Entry Function

  3. CHECK DOUBLE LOCK DOOR CONTROL RELAY ASSEMBLY (w/ Double Locking System)

    B0058KBN05

    1. Disconnect the I129 double lock door control relay assembly 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
      I129-1 (+B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
      I129-7 (CPUB) - Body ground L - Body ground Battery power supply Always 11 to 14 V
      I129-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the I129 double lock door control relay assembly connector.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      I129-3 (ACTS) - Body ground BE - Body ground All door double lock motor set on output Double lock unset Below 1 V
      Double lock set 11 to 14 V
      I129-4 (ACTR) - Body ground V - Body ground All door double lock motor set off output Double lock set Below 1 V
      Double lock unset 11 to 14 V
      I129-5 (DLPD) - Body ground W - Body ground Front RH double lock position switch input Double lock unset Pulse generation
      Double lock set Below 1 V
      I129-6 (DLPP) - Body ground LG - Body ground Front LH double lock position switch input Double lock unset Pulse generation
      Double lock set Below 1 V
      I129-11 (DLPR) - Body ground P - Body ground Rear RH double lock position switch input Double lock unset Pulse generation
      Double lock set Below 1 V
      I129-12 (DLPL) - Body ground SB - Body ground Rear LH double lock position switch input Double lock unset Pulse generation
      Double lock set Below 1 V

  4. CHECK AIRBAG ECU ASSEMBLY

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