POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

    U122367E02
    Table 1. Text in Illustration

    *1

    for LHD

    *2

    for RHD

    1. Disconnect the K5*1 or J5*2 switch connector.

      *1: for LHD

      *2: for RHD

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

      Table 2. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      K5-12 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      K5-11 (B) - Body ground

      R - Body ground

      Battery power supply

      Always

      11 to 14 V
      Table 3. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      J5-12 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      J5-11 (B) - Body ground

      R - Body ground

      Battery power supply

      Always

      11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

  2. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    U122431E02

    1. Disconnect the H79, H80, DB, DE and DG ECU connectors.

    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

      DG-1 (ALTB) - Body ground

      W - Body ground

      Battery power supply

      Always

      11 to 14 V

      DH-12 (BECU) - Body ground

      B - Body ground

      Power supply

      Always

      11 to 14 V

      DE-28 (GND1) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      H80-4 (GND2) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the H79, H80, DB, DE and DG ECU connectors.

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

      Table 4. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      DA-21 (DCTY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Driver side door open

      Below 1 V

      DA-21 (DCTY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Driver side door closed

      11 to 14 V

      DE-20 (PCTY) - Body ground

      BR - Body ground

      Front door courtesy light switch RH input

      Front passenger side door open

      Below 1 V

      DE-20 (PCTY) - Body ground

      BR - Body ground

      Front door courtesy light switch RH input

      Front passenger side door closed

      11 to 14 V

      H79-8 (LCTY) - Body ground

      SB - Body ground

      Rear door courtesy light switch LH input

      Rear door LH open

      Below 1 V

      H79-8 (LCTY) - Body ground

      SB - Body ground

      Rear door courtesy light switch LH input

      Rear door LH closed

      11 to 14 V

      DE-19 (RCTY) - Body ground

      LG - Body ground

      Rear door courtesy light switch RH input

      Rear door RH open

      Below 1 V

      DE-19 (RCTY) - Body ground

      LG - Body ground

      Rear door courtesy light switch RH input

      Rear door RH closed

      11 to 14 V

      DA-7 (BCTY) - Body ground

      LG - Body ground

      Back door courtesy light switch input

      Back door open

      Below 1 V

      DA-7 (BCTY) - Body ground

      LG - Body ground

      Back door courtesy light switch input

      Back door closed

      11 to 14 V

      DH-8 (ACT+) - Body ground

      BE - Body ground

      Front door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-8 (ACT+) - Body ground

      BE - Body ground

      Front door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder lock

      11 to 14 V

      DH-17 (ACT+) - Body ground

      R - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-17 (ACT+) - Body ground

      R - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder lock

      11 to 14 V

      DA-3 (ACT+) - Body ground

      R - Body ground

      Rear door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DA-3 (ACT+) - Body ground

      R - Body ground

      Rear door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder lock

      11 to 14 V

      DH-9 (ACT-) - Body ground

      LG - Body ground

      Front door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-9 (ACT-) - Body ground

      LG - Body ground

      Front door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      DA-4 (ACT-) - Body ground

      SB - Body ground

      Rear door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DA-4 (ACT-) - Body ground

      SB - Body ground

      Rear door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      DH-18 (ACT-) - Body ground

      SB - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-18 (ACT-) - Body ground

      SB - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      DH-7 (L2) - Body ground

      SB - Body ground

      Front door lock LH key switch input

      Front door lock key cylinder lock

      Below 1 V

      DH-7 (L2) - Body ground

      SB - Body ground

      Front door lock LH key switch input

      Ignition switch off, all doors closed and front door lock key cylinder neutral position

      Pulse generation (see waveform 1 or 2)

      H79-1 (TR+) - Body ground

      R - Body ground

      Back door lock unlock motor drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      H79-1 (TR+) - Body ground

      R - Body ground

      Back door lock unlock motor drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      H79-25 (LSWD) - Body ground

      Y - Body ground

      Front door lock LH (door lock position switch) input

      Driver side door unlocked

      Below 1 V

      H79-25 (LSWD) - Body ground

      Y - Body ground

      Front door lock LH (door lock position switch) input

      Ignition switch off, all doors closed and driver side door locked

      Pulse generation (see waveform 3 or 4)

      H79-10 (LSWP) - Body ground

      LG - Body ground

      Front door lock RH (door lock position switch) input

      Front passenger side door unlocked

      Below 1 V

      H79-10 (LSWP) - Body ground

      LG - Body ground

      Front door lock RH (door lock position switch) input

      Ignition switch off, all doors closed and front passenger side door locked

      Pulse generation (see waveform 5 or 6)

      H81-10 (LSR) - Body ground

      Y - Body ground

      Rear door lock (door lock position switch) input

      Rear door unlocked

      Below 1 V

      H81-10 (LSR) - Body ground

      Y - Body ground

      Rear door lock (door lock position switch) input

      Ignition switch off, all doors closed and rear door locked

      Pulse generation (see waveform 7 or 8)

      H79-12 (BDSU) - Body ground*1

      V - Body ground

      Back door opener switch input

      Back door opener switch off

      Below 1 V

      H79-12 (BDSU) - Body ground*1

      V - Body ground

      Back door opener switch input

      Ignition switch off, all doors closed and back door opener switch on

      Pulse generation (see waveform 9 or 10)

      DH-6 (UL2) - Body ground

      P - Body ground

      Front door lock LH (key-linked switch) input

      Front door lock key cylinder lock

      Below 1 V

      DH-6 (UL2) - Body ground

      P - Body ground

      Front door lock LH (key-linked switch) input

      Ignition switch off, all doors closed and front door lock key cylinder neutral position

      Pulse generation (see waveform 11 or 12)

      H79-4 (BATB) - Body ground

      BR - Body ground

      Battery power supply for collision door lock release

      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

      • *1: w/o Entry and Start System

      • *2: Door control battery not charged

      • *3: Door control battery charged

      Table 5. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      DC-6 (DCTY) - Body ground

      BR - Body ground

      Front door courtesy light switch RH input

      Driver side door open

      Below 1 V

      DC-6 (DCTY) - Body ground

      BR - Body ground

      Front door courtesy light switch RH input

      Ignition switch off and front door courtesy light switch RH off

      11 to 14 V

      DA-24 (PCTY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Front passenger side door open

      Below 1 V

      DA-24 (PCTY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Ignition switch off and front door courtesy light switch LH off

      11 to 14 V

      H79-8 (LCTY) - Body ground

      SB - Body ground

      Rear door courtesy light switch LH input

      Rear door LH open

      Below 1 V

      H79-8 (LCTY) - Body ground

      SB - Body ground

      Rear door courtesy light switch LH input

      Ignition switch off and rear door courtesy light switch LH off

      11 to 14 V

      DE-19 (RCTY) - Body ground

      LG - Body ground

      Rear door courtesy light switch RH input

      Rear door RH open

      Below 1 V

      DE-19 (RCTY) - Body ground

      LG - Body ground

      Rear door courtesy light switch RH input

      Ignition switch off and rear door courtesy light switch RH off

      11 to 14 V

      DA-7 (BCTY) - Body ground

      LG - Body ground

      Back door courtesy light switch input

      Back door open

      Below 1 V

      DA-7 (BCTY) - Body ground

      LG - Body ground

      Back door courtesy light switch input

      Ignition switch off and back door closed

      11 to 14 V

      DH-8 (ACT+) - Body ground

      BE - Body ground

      Front door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-8 (ACT+) - Body ground

      BE - Body ground

      Front door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder lock

      11 to 14 V

      DH-17 (ACT+) - Body ground

      R - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-17 (ACT+) - Body ground

      R - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder lock

      11 to 14 V

      DA-3 (ACT+) - Body ground

      R - Body ground

      Rear door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DA-3 (ACT+) - Body ground

      R - Body ground

      Rear door lock LH (door lock motor) lock drive output

      Master switch (door control switch) or front door lock key cylinder lock

      11 to 14 V

      DH-9 (ACT-) - Body ground

      LG - Body ground

      Front door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-9 (ACT-) - Body ground

      LG - Body ground

      Front door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      DA-4 (ACT-) - Body ground

      SB - Body ground

      Rear door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DA-4 (ACT-) - Body ground

      SB - Body ground

      Rear door lock LH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      DH-18 (ACT-) - Body ground

      SB - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      DH-18 (ACT-) - Body ground

      SB - Body ground

      Front door lock RH (door lock motor), rear door lock RH (door lock motor) unlock drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      DH-7 (L2) - Body ground

      SB - Body ground

      Front door lock RH key switch input

      Front door lock key cylinder lock

      Below 1 V

      DH-7 (L2) - Body ground

      SB - Body ground

      Front door lock RH key switch input

      Ignition switch off, all doors closed and front door lock key cylinder neutral position

      Pulse generation (see waveform 1 or 2)

      H79-1 (TR+) - Body ground

      R - Body ground

      Back door lock unlock motor drive output

      Master switch (door control switch) or front door lock key cylinder neutral position

      Below 1 V

      H79-1 (TR+) - Body ground

      R - Body ground

      Back door lock unlock motor drive output

      Master switch (door control switch) or front door lock key cylinder unlock

      11 to 14 V

      H79-25 (LSWD) - Body ground

      LG - Body ground

      Front door lock RH (door lock position switch) input

      Driver side door unlocked

      Below 1 V

      H79-25 (LSWD) - Body ground

      LG - Body ground

      Front door lock RH (door lock position switch) input

      Ignition switch off, all doors closed and driver side door locked

      Pulse generation (see waveform 3 or 4)

      H79-10 (LSWP) - Body ground

      LG - Body ground

      Front door lock LH (door lock position switch) input

      Front passenger side door unlocked

      Below 1 V

      H79-10 (LSWP) - Body ground

      LG - Body ground

      Front door lock LH (door lock position switch) input

      Ignition switch off, all doors closed and front passenger side door locked

      Pulse generation (see waveform 5 or 6)

      H81-10 (LSR) - Body ground

      Y - Body ground

      Rear door lock (door lock position switch) input

      Rear door unlocked

      Below 1 V

      H81-10 (LSR) - Body ground

      Y - Body ground

      Rear door lock (door lock position switch) input

      Ignition switch off, all doors closed and rear door locked

      Pulse generation (see waveform 7 or 8)

      H79-12 (BDSU) - Body ground*1

      V - Body ground

      Back door opener switch input

      Back door opener switch off

      Below 1 V

      H79-12 (BDSU) - Body ground*1

      V - Body ground

      Back door opener switch input

      Ignition switch off, all doors closed and back door opener switch on

      Pulse generation (see waveform 9 or 10)

      DH-6 (UL2) - Body ground

      P - Body ground

      Front door lock RH (key-linked switch) input

      Front door lock key cylinder lock

      Below 1 V

      DH-6 (UL2) - Body ground

      P - Body ground

      Front door lock RH (key-linked switch) input

      Ignition switch off, all doors closed and front door lock key cylinder neutral position

      Pulse generation (see waveform 11 or 12)

      H79-4 (BATB) - Body ground

      BR - Body ground

      Battery power supply for collision door lock release

      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

      • *1: w/o Entry and Start System

      • *2: Door control battery not charged

      • *3: Door control battery charged

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

    5. B122376E20

      Using an oscilloscope, check waveform 1.

      Table 6. Waveform 1 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      DH-7 (L2) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and front door lock key cylinder neutral position
    6. B129408E12

      Using an oscilloscope, check waveform 2.

      Table 7. Waveform 2 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      DH-7 (L2) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and front door lock key cylinder neutral position
    7. B122376E12

      Using an oscilloscope, check waveform 3.

      Table 8. Waveform 3 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H79-25 (LSWD) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and driver side door locked
    8. B129408E12

      Using an oscilloscope, check waveform 4.

      Table 9. Waveform 4 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H79-25 (LSWD) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and driver side door locked
    9. B122376E12

      Using an oscilloscope, check waveform 5.

      Table 10. Waveform 5 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H79-10 (LSWP) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and front passenger side door locked
    10. B129408E12

      Using an oscilloscope, check waveform 6.

      Table 11. Waveform 6 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H79-10 (LSWP) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and front passenger side door locked
    11. B122376E12

      Using an oscilloscope, check waveform 7.

      Table 12. Waveform 7 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H81-10 (LSR) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and rear door locked
    12. B129408E12

      Using an oscilloscope, check waveform 8.

      Table 13. Waveform 8 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H81-10 (LSR) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and rear door locked
    13. B189909E01

      Using an oscilloscope, check waveform 9.

      Table 14. Waveform 9 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H79-12 (BDSU) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and back door opener switch on
    14. B456109E01

      Using an oscilloscope, check waveform 10.

      Table 15. Waveform 10 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      H79-12 (BDSU) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and back door opener switch on
    15. B189909E04

      Using an oscilloscope, check waveform 11.

      Table 16. Waveform 11 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      DH-6 (UL2) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and driver side key cylinder neutral position
    16. B456109E01

      Using an oscilloscope, check waveform 12.

      Table 17. Waveform 12 (Reference)

      Item

      Content

      Terminal No. (Symbol)

      DH-6 (UL2) - Body ground

      Tool Setting

      5 V/DIV., 20 ms/DIV.

      Condition

      Ignition switch off, all doors closed and driver side key cylinder neutral position

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

    U184668E02

    1. Disconnect the H135 relay 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

      H135-7 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      H135-12 (+B) - Body ground

      B - Body ground

      Battery power supply

      Always

      11 to 14 V

      H135-11 (CPUB) - Body ground

      W - Body ground

      Battery power supply

      Always

      11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the H135 relay connector.

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

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      H135-5 (DLPP) - Body ground

      R - Body ground

      Front door lock LH (double door lock position switch) input

      Double lock not set

      10 kΩ or higher

      H135-5 (DLPP) - Body ground

      R - Body ground

      Front door lock LH (double door lock position switch) input

      Double lock set

      Below 1 Ω

      H135-6 (DLPD) - Body ground

      GR - Body ground

      Front door lock RH (double door lock position switch) input

      Double lock not set

      10 kΩ or higher

      H135-6 (DLPD) - Body ground

      GR - Body ground

      Front door lock RH (double door lock position switch) input

      Double lock set

      Below 1 Ω

      H135-4 (DLPR) - Body ground

      L - Body ground

      Rear door lock RH (double door lock position switch) input

      Double lock not set

      10 kΩ or higher

      H135-4 (DLPR) - Body ground

      L - Body ground

      Rear door lock RH (double door lock position switch) input

      Double lock set

      Below 1 Ω

      H135-3 (DLPL) - Body ground

      P - Body ground

      Rear door lock LH (double door lock position switch) input

      Double lock not set

      10 kΩ or higher

      H135-3 (DLPL) - Body ground

      P - Body ground

      Rear door lock LH (double door lock position switch) input

      Double lock set

      Below 1 Ω

      H135-1 (ACTR) - Body ground

      G - Body ground

      All door double lock motor set off output

      Double lock set → not set

      Below 1 V → 11 to 14 V → Below 1 V

      H135-8 (ACTS) - Body ground

      BR - Body ground

      All door double lock motor set on output

      Double lock not set → set

      Below 1 V → 11 to 14 V → Below 1 V

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