POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU


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

    A00YV8EN02
    A00YX3RC04
    *A Main Body ECU (Multiplex Network Body ECU) with 1 connector *B Main Body ECU (Multiplex Network Body ECU) with 3 connectors
    *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.

      for LHD: Click here

      for RHD: Click here

    2. 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 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      A-29 (ACC) - Body ground - ACC power supply Ignition switch ACC 11 to 14 V
      A-29 (ACC) - Body ground - ACC power supply Ignition switch off Below 1 V
      A-32 (IG) - Body ground - Ignition power supply Ignition switch ON

      11 to 14 V*1

      10.5 to 14 V*2
      A-32 (IG) - Body ground - Ignition power supply Ignition switch off Below 1 V

      *1: w/o Stop and Start System

      *2: w/ Stop and Start System

    3. Install the main body ECU (multiplex network body ECU).

      for LHD: Click here

      for RHD: Click here

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      3E-1 (ACT-) - Body ground BR - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3E-1 (ACT-) - Body ground BR - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder unlocked 11 to 14 V
      3D-5 (ACT-) - Body ground*6 B - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3D-5 (ACT-) - Body ground*6 B - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder unlocked 11 to 14 V
      3D-4 (ACT-) - Body ground B - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3D-4 (ACT-) - Body ground B - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder unlocked 11 to 14 V
      3D-3 (ACT-) - Body ground B - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3D-3 (ACT-) - Body ground B - Body ground Door lock motor unlock drive output (all door) Door control switch (power window regulator master switch assembly) or driver door key cylinder unlocked 11 to 14 V
      3D-10 (ACTD) - Body ground*5 B - Body ground Door lock motor unlock drive output (all door) Power window regulator master switch assembly, door control switchassembly or driver door key cylinder off Below 1 V
      3D-10 (ACTD) - Body ground*5 B - Body ground Door lock motor unlock drive output (all door) Power window regulator master switch assembly, door control switchassembly or driver door key cylinder unlocked 11 to 14 V
      3D-13 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder locked 11 to 14 V
      3D-13 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3D-11 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder locked 11 to 14 V
      3D-11 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3D-12 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder locked 11 to 14 V
      3D-12 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder off Below 1 V
      3E-17 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder locked Below 1 V
      3E-17 (ACT+) - Body ground R - Body ground Door lock motor lock drive output (all doors) Door control switch (power window regulator master switch assembly) or driver door key cylinder locked 11 to 14 V
      G78-19 (FRCY) - Body ground L - Body ground Front door courtesy light switch RH input Front door RH open Below 1 V
      G78-19 (FRCY) - Body ground L - Body ground Front door courtesy light switch RH input Front door RH closed Pulse generation
      3E-40 (FLCY) - Body ground W - Body ground Front door courtesy light switch LH input Front door LH open Below 1 V
      3E-40 (FLCY) - Body ground W - Body ground Front door courtesy light switch LH input Front door LH closed Pulse generation
      G78-1 (LCTY) - Body ground*5 W - Body ground Rear door courtesy light switch LH input Rear door LH open Below 1 V
      G78-1 (LCTY) - Body ground*5 W - Body ground Rear door courtesy light switch LH input Rear door LH closed Pulse generation
      G78-24 (LCTY) - Body ground*6

      W - Body ground*3

      SB - Body ground*4

      		 Rear door courtesy light switch LH input Rear door LH open Below 1 V
      G78-24 (LCTY) - Body ground*6

      W - Body ground*3

      SB - Body ground*4

      		 Rear door courtesy light switch LH input Rear door LH closed Pulse generation
      G78-6 (RCTY) - Body ground Y - Body ground Rear door courtesy light switch RH input Rear door RH open Below 1 V
      G78-6 (RCTY) - Body ground Y - Body ground Rear door courtesy light switch RH input Rear door RH closed Pulse generation
      G78-9 (L1) - Body ground

      P - Body ground*3

      V - Body ground*4

      		 Door control switch input Door control switch locked Below 1 V
      G78-9 (L1) - Body ground

      P - Body ground*3

      V - Body ground*4

      		 Door control switch input Door control switch off Pulse generation
      G78-10 (UL1) - Body ground

      B - Body ground*3

      W - Body ground*4

      		 Door control switch input Door control switch unlocked Below 1 V
      G78-10 (UL1) - Body ground

      B - Body ground*3

      W - Body ground*4

      		 Door control switch input Door control switch off Pulse generation
      G78-11 (L2) - Body ground

      BR - Body ground*3

      R - Body ground*4

      		 Driver door key-linked lock input Driver door key cylinder turned to lock position Below 1 V
      G78-11 (L2) - Body ground

      BR - Body ground*3

      R - Body ground*4

      		 Driver door key-linked lock input Driver door key cylinder off Pulse generation
      G78-24 (UL3) - Body ground*5 LG - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock position Below 1 V
      G78-24 (UL3) - Body ground*5 LG - Body ground Driver door key-linked unlock input Driver door key cylinder off Pulse generation
      G78-12 (UL2) - Body ground*6

      LG - Body ground*3

      L - Body ground*4

      		 Driver door key-linked unlock input Driver door key cylinder turned to unlock position Below 1 V
      G78-12 (UL2) - Body ground*6

      LG - Body ground*3

      L - Body ground*4

      		 Driver door key-linked unlock input Driver door key cylinder off Pulse generation
      G78-7 (LSFL) - Body ground*1 B - Body ground Front door LH unlock detection switch input Front door LH unlocked Below 1 V
      G78-7 (LSFL) - Body ground*1 B - Body ground Front door LH unlock detection switch input Front door LH locked Pulse generation
      G78-18 (LSFR) - Body ground P - Body ground Front door RH unlock detection switch input Front door RH unlocked Below 1 V
      G78-18 (LSFR) - Body ground P - Body ground Front door RH unlock detection switch input Front door RH locked Pulse generation
      3E-32 (LSR) - Body ground*1 Y - Body ground Rear door RH unlock detection switch input Rear door RH or LH unlocked Below 1 V
      3E-32 (LSR) - Body ground*1 Y - Body ground Rear door RH unlock detection switch input Rear door RH and LH locked Pulse generation
      3C-41 (LSR) - Body ground*1 Y - Body ground Rear door LH unlock detection switch input Rear door LH or RH unlocked Below 1 V
      3C-41 (LSR) - Body ground*1 Y - Body ground Rear door LH unlock detection switch input Rear door LH and RH locked Pulse generation
      3E-33 (BCTY) - Body ground LG - Body ground Back door courtesy light switch input Back door open Below 1 V
      3E-33 (BCTY) - Body ground LG - Body ground Back door courtesy light switch input Back door closed 11 to 14 V
      3E-8 (TR+) - Body ground*7 R - Body ground Back door lock motor unlock drive output Back door opener switch (open switch) pushed 11 to 14 V
      3E-8 (TR+) - Body ground*7 R - Body ground Back door lock motor unlock drive output Back door opener switch (open switch) not pushed Below 1 V
      G78-17 (KSW) - Body ground*2 R - Body ground Key unlock warning switch input No key in ignition key cylinder Pulse generation
      G78-17 (KSW) - Body ground*2 R - Body ground Key unlock warning switch input Key in ignition key cylinder Below 1 V
      G78-23 (BDSU) - Body ground*2 R - Body ground Back door opener switch input Back door opener switch (open switch) pushed Below 1 V
      G78-23 (BDSU) - Body ground*2 R - Body ground Back door opener switch input Back door opener switch (open switch) not pushed Pulse generation

      *1: w/ Entry and Start System or Theft Deterrent System or Double Locking System

      *2: w/o Entry and Start System

      *3: for LHD

      *4: for RHD

      *5: w/ Panic Switch

      *6: w/o Panic Switch

      *7: w/o Power Back Door System

  2. CHECK CERTIFICATION ECU (SMART KEY ECU assembly) (w/ Smart Entry and Start System)


    1. Disconnect the G82 certification ECU (smart key ECU assembly) connector.

      A00YRN5N74

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G82-11 (E) - Body ground BR - Body ground Ground Always Below 1 Ω
      G82-2 (+B) - Body ground W - Body ground Battery power supply Always 11 to 14 V

    3. Reconnect the G82 certification ECU (smart key ECU assembly) connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G83-27 (TSW5) - Body ground Y - Body ground Back door opener switch (open switch) input Back door opener switch (open switch) pushed Below 1 V
      G83-27 (TSW5) - Body ground Y - Body ground Back door opener switch (open switch) input Back door opener switch (open switch) not pushed Pulse generation
      G83-28 (TSW6) - Body ground L - Body ground Back door opener switch (close switch) input Back door opener switch (close switch) pushed Below 1 V
      G83-28 (TSW6) - Body ground L - Body ground Back door opener switch (close switch) input Back door opener switch (close switch) not pushed Pulse generation

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


    1. Disconnect the G66 double lock door control relay assembly connector.

      A00YUIXN02

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G66-1 (+B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
      G66-7 (CPUB) - Body ground BR - Body ground Battery power supply Always 11 to 14 V
      G66-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the G66 double lock door control relay assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G66-5 (DLPD) - Body ground B - Body ground Front RH double lock position switch input Double lock unset Pulse generation
      G66-5 (DLPD) - Body ground B - Body ground Front RH double lock position switch input Double lock set Below 1 V
      G66-6 (DLPP) - Body ground P - Body ground Front LH double lock position switch input Double lock unset Pulse generation
      G66-6 (DLPP) - Body ground P - Body ground Front LH double lock position switch input Double lock set Below 1 V
      G66-3 (ACTS) - Body ground L - Body ground All door double lock motor set on output Double lock unset Below 1 V
      G66-3 (ACTS) - Body ground L - Body ground All door double lock motor set on output Double lock set 11 to 14 V
      G66-4 (ACTR) - Body ground B - Body ground All door double lock motor set off output Double lock set Below 1 V
      G66-4 (ACTR) - Body ground B - Body ground All door double lock motor set off output Double lock unset 11 to 14 V