POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


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

    B000YCPC11
    *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.

      Click here

    2. Reconnect the driver side junction block assembly connectors.

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

      Tester Connection Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
      A-11 (GND1) - Body ground - - Ground Always Below 1 Ω -
      A-30 (ACC) - Body ground - Input ACC power supply Engine switch on (ACC) 11 to 14 V ACC SW
      Engine switch off Below 1 V
      A-31 (BECU) - Body ground - Input Battery power supply Always 11 to 14 V -
      A-32 (IG) - Body ground - Input IG power supply Engine switch on (IG) 11 to 14 V IG SW
      Engine switch off Below 1 V
    4. Install the main body ECU (multiplex network body ECU) to the driver side junction block assembly.

      Click here

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

      Tester Connection Wiring Color Input/Output Terminal Description Condition Specified Condition Related Data List Item
      P7-1 (FLCY) - Body ground R - Body ground Input Courtesy light switch LH input Front door LH open → closed Below 1 V → 4.7 to 5.3 V FL Door Courtesy SW
      P7-6 (FRCY) - Body ground SB - Body ground Input Courtesy light switch RH input Front door RH open → closed Below 1 V → 4.7 to 5.3 V FR Door Courtesy SW
      P9-18 (L2) - Body ground Y - Body ground Input Driver and front passenger door key-linked lock input Driver or front passenger door key cylinder turned to neutral position → on (lock) Pulse generation → Below 1 V Door Key SW-Lock
      P9-19 (UL2) - Body ground BR - Body ground Input Front passenger door key-linked unlock input Front passenger door key cylinder turned to neutral position → on (unlock) Pulse generation → Below 1 V Door Key SW-Unlock
      P9-17 (UL3) - Body ground LG - Body ground Input Driver door key-linked unlock input Driver door key cylinder turned to neutral position → on (unlock) Pulse generation → Below 1 V D Door Key SW-UL
      3D-18 (ACT+) - Body ground LA-G - Body ground Output Door lock motor lock drive output Door control switch or door key cylinder off → on (lock) Below 1 V → 11 to 14 V → Below 1 V -
      3A-2 (ACT+) - Body ground G - Body ground Output Door lock motor lock drive output Door control switch or door key cylinder off → on (lock) Below 1 V → 11 to 14 V → Below 1 V -
      3A-1 (ACT-) - Body ground LG - Body ground Output Front passenger door lock motor unlock drive output Door control switch front passenger door key cylinder off → on (unlock) Below 1 V → 11 to 14 V → Below 1 V -
      3D-8 (ACTD) - Body ground LA-LG - Body ground Output Driver 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 -

      3B-14 (LSFR) - Body ground*1

      3D-31 (LSFR) - Body ground*2

      GR - Body ground*1

      P - Body ground*2

      Input Front door RH unlock detection switch input Front door RH locked → unlocked Pulse generation → Below 1 V FR Door Lock Pos

      3D-31 (LSFL) - Body ground*1

      3A-15 (LSFL) - Body ground*2

      P - Body ground*1

      Y - Body ground*2

      Input Front door LH unlock detection switch input Front door LH locked → unlocked Pulse generation → Below 1 V FL Door Lock Pos

      3B-13 (L1) - Body ground*1

      3A-38 (L1) - Body ground*2

      P - Body ground Input Front passenger door control switch input Front passenger door control switch off → on (lock) Pulse generation → Below 1 V Door Lock Switch Status

      3B-12 (UL1) - Body ground*1

      3A-39 (UL1) - Body ground*2

      R - Body ground Input Front passenger door control switch input Front passenger door control switch off → on (unlock) Pulse generation → Below 1 V Door Unlock Switch Status
      3A-46 (GSW) - Body ground Y - Body ground Input Collision detection input Engine switch on (IG) 2.9 to 4.2 V -

      • *1: for LHD

      • *2: for RHD

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

    B000Y5CN18

    1. Disconnect the P83 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 Input/Output Terminal Description Condition Specified Condition Related Data List Item
      P83-12 (+B) - Body ground LA-B - Body ground Input Battery power supply Always 11 to 14 V -
      P83-11 (CPUB) - Body ground LA-W - Body ground Input Battery power supply Always 11 to 14 V -
      P83-7 (GND) - Body ground W-B - Body ground - Ground Always Below 1 Ω -
    3. Reconnect the P83 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 Input/Output Terminal Description Condition Specified Condition Related Data List Item
      P83-8 (ACTS) - Body ground LA-G - Body ground Output All door double lock motor set on output Double lock unset → set Below 1 V → 11 to 14 V -
      P83-1 (ACTR) - Body ground LA-SB - Body ground Output All door double lock motor set off output Double lock set → unset Below 1 V → 11 to 14 V -
      P83-6 (DLPD) - Body ground

      LA-P - Body ground*1

      LA-V - Body ground*2

      Input Driver door double lock position switch input Double lock unset → set Pulse generation → Below 1 V -
      P83-5 (DLPP) - Body ground

      LA-V - Body ground*1

      LA-P - Body ground*2

      Input Front passenger door double lock position switch input Double lock unset → set Pulse generation → Below 1 V -

      • *1: for LHD

      • *2: for RHD

  3. CHECK AIRBAG ECU ASSEMBLY

    Click here