POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)


    1. Disconnect the RK, RM, RN and RD main body ECU RH (cowl side junction block RH) connectors.

      A015ZH5E01
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      RK-5 (BECU) - Body ground G-R - Body ground Battery power supply Always 11 to 14 V
      RN-1 (BATB) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      RD-7 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      RD-17 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the RK, RM, RN and RD main body ECU RH (cowl side junction block RH) connectors.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P1-14 (DCTY) - Body ground W - Body ground Driver side door courtesy switch input Driver side door open Below 1 V
      P1-14 (DCTY) - Body ground W - Body ground Driver side door courtesy switch input Engine switch off, and driver side door courtesy switch off 11 to 14 V
      J75-23 (PCTY) - Body ground

      B - Body ground*1

      V - Body ground*2

      Front passenger side door courtesy switch input Front passenger side door open Below 1 V
      J75-23 (PCTY) - Body ground

      B - Body ground*1

      V - Body ground*2

      Front passenger side door courtesy switch input Engine switch off, and passenger side door courtesy switch off 11 to 14 V
      RA-11 (LCTY) - Body ground BR - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V
      RA-11 (LCTY) - Body ground BR - Body ground Rear door LH courtesy light switch input Engine switch off, and rear door courtesy switch LH off 11 to 14 V
      P1-16 (RCTY) - Body ground BE - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V
      P1-16 (RCTY) - Body ground BE - Body ground Rear door RH courtesy light switch input Engine switch off, and rear door courtesy switch RH off 11 to 14 V
      J75-25 (LGCY) - Body ground L - Body ground Luggage compartment door courtesy light switch input Luggage compartment door open Below 1 V
      J75-25 (LGCY) - Body ground L - Body ground Luggage compartment door courtesy light switch input Engine switch off, and luggage compartment door closed 11 to 14 V
      RJ-9 (ACT+) - Body ground L - Body ground Door lock motor lock drive output (all doors) Multiplex network master switch (door control switch) or driver side door key cylinder off Below 1 V
      RJ-9 (ACT+) - Body ground L - Body ground Door lock motor lock drive output (all doors) Multiplex network master switch (door control switch) or driver side door key cylinder lock 11 to 14 V
      P1-4 (ACTD) - Body ground

      L - Body ground*1

      LG - Body ground*2

      Driver side door lock motor unlock drive output Multiplex network master switch (door control switch) or driver side door key cylinder off Below 1 V
      P1-4 (ACTD) - Body ground

      L - Body ground*1

      LG - Body ground*2

      Driver side door lock motor unlock drive output Multiplex network master switch (door control switch) or driver side door key cylinder unlock 11 to 14 V
      RJ-17 (ACT-) - Body ground LG - Body ground Door lock motor unlock drive output (except driver side) Multiplex network master switch (door control switch) or driver side door key cylinder off Below 1 V
      RJ-17 (ACT-) - Body ground LG - Body ground Door lock motor unlock drive output (except driver side) Multiplex network master switch (door control switch) or driver side door key cylinder unlock 11 to 14 V
      J75-27 (LSWP) - Body ground W - Body ground Passenger side door lock position switch input Passenger side door unlock Below 1 V
      J75-27 (LSWP) - Body ground W - Body ground Passenger side door lock position switch input Engine switch off, all doors closed and passenger side door lock 11 to 14 V
      RA-2 (LSWL) - Body ground R - Body ground Rear door LH lock position switch input Rear door LH unlock Below 1 V
      RA-2 (LSWL) - Body ground R - Body ground Rear door LH lock position switch input Engine switch off, all doors closed and rear door LH lock 11 to 14 V
      J75-5 (LSWR) - Body ground V - Body ground Rear door RH lock position switch input Rear door RH unlock Below 1 V
      J75-5 (LSWR) - Body ground V - Body ground Rear door RH lock position switch input Engine switch off, all doors closed and rear door RH lock 11 to 14 V
      RA-7 (GSW) - Body ground L - Body ground Center airbag sensor signal Turning the engine switch on (IG) with the center airbag sensor assembly connector disconnected 4.5 to 5.5 V

      • *1: for LHD

      • *2: for RHD

      If the result is not as specified, the main body ECU RH (cowl side junction block RH) may have a malfunction.

  2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. Disconnect the M20*1 or L22*2 multiplex network master switch assembly connector.


      • *1: for LHD

      • *2: for RHD

      A01625QE33
    2. Measure the voltage and resistance according to the value(s) in the table below.

      for LHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      M20-15 (CPUB) - M20-12 (E) G - W-B Battery power supply Always 11 to 14 V
      M20-18 (SIG) - M20-12 (E) B - W-B SIG power supply Engine switch on (IG) → off

      11 to 14 V →

      Below 1 V

      M20-12 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      M20-4 (KL) - M20-12 (E) L - W-B Door key-linked door lock input Using key, operate driver door lock cylinder from free → lock

      10 kΩ or higher →

      Below 1 Ω

      M20-13 (KUL) - M20-12 (E) W - W-B Door key-linked door unlock input Using key, operate driver door lock cylinder from free → unlock

      10 kΩ or higher →

      Below 1 Ω

      M20-1 (LSW) - M20-12 (E) SB - W-B Driver side door lock position switch input Driver side door unlock → lock

      Below 1 Ω →

      10 kΩ or higher

      for RHD
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L22-15 (CPUB) - L22-12 (E) G - W-B Battery power supply Always 11 to 14 V
      L22-18 (SIG) - L22-12 (E) B - W-B SIG power supply Engine switch on (IG) → off

      11 to 14 V →

      Below 1 V

      L22-12 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L22-4 (KL) - L22-12 (E) L - W-B Door key-linked door lock input Using key, operate driver door lock cylinder from free → lock

      10 kΩ or higher →

      Below 1 Ω

      L22-13 (KUL) - L22-12 (E) W - W-B Door key-linked door unlock input Using key, operate driver door lock cylinder from free → unlock

      10 kΩ or higher →

      Below 1 Ω

      L22-1 (LSW) - L22-12 (E) SB - W-B Driver side door lock position switch input Driver side door unlock → lock

      Below 1 Ω →

      10 kΩ or higher

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

  3. CHECK DOUBLE LOCK DOOR CONTROL RELAY (w/ DOUBLE LOCKING SYSTEM)


    1. Disconnect the P34 double lock door control relay connector.

      A015ZPYE08
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P34-1 (+B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      P34-7 (CPUB) - Body ground LG - Body ground Battery power supply Always 11 to 14 V
      P34-14 (GND) - 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 P34 double lock door control relay connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P34-5 (DLPD) - Body ground R-B - Body ground Front RH double lock position switch input Double lock UNSET 5 V or higher
      P34-5 (DLPD) - Body ground R-B - Body ground Front RH double lock position switch input Double lock SET Below 1 V
      P34-6 (DLPP) - Body ground GR - Body ground Front LH double lock position switch input Double lock UNSET 5 V or higher
      P34-6 (DLPP) - Body ground GR - Body ground Front LH double lock position switch input Double lock SET Below 1 V
      P34-11 (DLPR) - Body ground L - Body ground Rear RH double lock position switch input Double lock UNSET 5 V or higher
      P34-11 (DLPR) - Body ground L - Body ground Rear RH double lock position switch input Double lock SET Below 1 V
      P34-12 (DLPL) - Body ground Y - Body ground Rear LH double lock position switch input Double lock UNSET 5 V or higher
      P34-12 (DLPL) - Body ground Y - Body ground Rear LH double lock position switch input Double lock UNSET Below 1 V
      P34-3 (ACTS) - Body ground V - Body ground All door double lock motor set on output Double lock UNSET Below 1 V
      P34-3 (ACTS) - Body ground V - Body ground All door double lock motor set on output Double lock SET 11 to 14 V
      P34-4 (ACTR) - Body ground P - Body ground All door double lock motor set off output Double lock SET Below 1 V
      P34-4 (ACTR) - Body ground P - Body ground All door double lock motor set off output Double lock UNSET 11 to 14 V

      If the result is not as specified, the double lock door control relay may have a malfunction.