POWER DOOR LOCK CONTROL SYSTEM TERMINALS OF ECU

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

    1. Disconnect the MB main body ECU (multiplex network body ECU) connector.

      B332798C01

      *A

      Main Body ECU (Multiplex Network Body ECU) with 1 Connector

      -

      -

      *1

      Main Body ECU (Multiplex Network Body ECU)

      -

      -

      *a

      1 Connector

      -

      -
      B332794C01

      *A

      Main Body ECU (Multiplex Network Body ECU) with 2 Connectors

      -

      -

      *1

      Main Body ECU (Multiplex Network Body ECU)

      -

      -

      *a

      2 Connectors

      -

      -

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

      Tip:

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

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      MB-11 (GND1) - Body ground

      -

      Ground

      Always

      Below 1 Ω

      MB-30 (BECU) - Body ground

      -

      Battery power supply

      Always

      11 to 14 V

      MB-29 (ACC) - Body ground

      -

      ACC power supply

      Ignition switch ACC

      11 to 14 V

      MB-29 (ACC) - Body ground

      -

      ACC power supply

      Ignition switch off

      Below 1 V

      MB-32 (IG) - Body ground

      -

      Ignition switch power supply

      Ignition switch ON

      11 to 14 V

      MB-32 (IG) - Body ground

      -

      Ignition switch power supply

      Ignition switch off

      Below 1 V

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

    3. Reconnect the MB main body ECU (multiplex network body ECU) 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

      3E-1 (ACT-) - Body ground

      SB - 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

      SB - 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

      3C-5 (ACT-) - Body ground

      SB - 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

      3C-5 (ACT-) - Body ground

      SB - 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

      3E-2 (ACT-) - Body ground

      SB - 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-2 (ACT-) - Body ground

      SB - 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

      3C-4 (ACT-) - Body ground

      LG - 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

      3C-4 (ACT-) - Body ground

      LG - 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

      3C-13 (ACT+) - Body ground

      BE - 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

      3C-13 (ACT+) - Body ground

      BE - 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

      3C-14 (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

      3C-14 (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

      3E-8 (ACT+) - Body ground

      BE - 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-8 (ACT+) - Body ground

      BE - 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

      3E-9 (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-9 (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

      E22-19 (FRCY) - Body ground

      V - Body ground

      Front door courtesy light switch RH input

      Front door RH open

      Below 1 V

      E22-19 (FRCY) - Body ground

      V - Body ground

      Front door courtesy light switch RH input

      Front door RH closed

      Pulse generation

      3E-25 (FLCY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Front door LH open

      Below 1 V

      3E-25 (FLCY) - Body ground

      W - Body ground

      Front door courtesy light switch LH input

      Front door LH closed

      Pulse generation

      E22-24 (LCTY) - Body ground

      SB - Body ground

      Rear door courtesy light switch LH input

      Rear door LH open

      Below 1 V

      E22-24 (LCTY) - Body ground

      SB - Body ground

      Rear door courtesy light switch LH input

      Rear door LH closed

      Pulse generation

      E22-6 (RCTY) - Body ground

      LG - Body ground

      Rear door courtesy light switch RH input

      Rear door RH open

      Below 1 V

      E22-6 (RCTY) - Body ground

      LG - Body ground

      Rear door courtesy light switch RH input

      Rear door RH closed

      Pulse generation

      E22-9 (L1) - Body ground*1

      L - Body ground

      Door control switch input

      Door control switch locked

      Below 1 V

      E22-9 (L1) - Body ground*1

      L - Body ground

      Door control switch input

      Door control switch off

      Pulse generation

      E22-10 (UL1) - Body ground*1

      Y - Body ground

      Door control switch input

      Door control switch unlocked

      Below 1 V

      E22-10 (UL1) - Body ground*1

      Y - Body ground

      Door control switch input

      Door control switch off

      Pulse generation

      E22-11 (L2) - Body ground

      SB - Body ground

      Driver door key-linked lock input

      Driver door key cylinder turned to lock position

      Below 1 V

      E22-11 (L2) - Body ground

      SB - Body ground

      Driver door key-linked lock input

      Driver door key cylinder off

      Pulse generation

      E22-12 (UL2) - Body ground

      P - Body ground

      Driver door key-linked unlock input

      Driver door key cylinder turned to unlock position

      Below 1 V

      E22-12 (UL2) - Body ground

      P - Body ground

      Driver door key-linked unlock input

      Driver door key cylinder off

      Pulse generation

      E22-7 (LSFL) - Body ground

      Y - Body ground

      Front door LH unlock detection switch input

      Front door LH unlocked

      Below 1 V

      E22-7 (LSFL) - Body ground

      Y - Body ground

      Front door LH unlock detection switch input

      Front door LH locked

      Pulse generation

      E22-18 (LSFR) - Body ground

      LG - Body ground

      Front door RH unlock detection switch input

      Front door RH unlocked

      Below 1 V

      E22-18 (LSFR) - Body ground

      LG - Body ground

      Front door RH unlock detection switch input

      Front door RH locked

      Pulse generation

      3E-22 (LSR) - Body ground

      Y - Body ground

      Rear door RH unlock detection switch input

      Rear door RH or LH unlocked

      Below 1 V

      3E-22 (LSR) - Body ground

      Y - Body ground

      Rear door RH unlock detection switch input

      Rear door RH and LH locked

      Pulse generation

      3E-37 (LSR) - Body ground

      Y - Body ground

      Rear door LH unlock detection switch input

      Rear door LH or RH unlocked

      Below 1 V

      3E-37 (LSR) - Body ground

      Y - Body ground

      Rear door LH unlock detection switch input

      Rear door LH and RH locked

      Pulse generation

      3E-34 (BCTY) - Body ground

      LG - Body ground

      Back door courtesy light switch input

      Back door open

      Below 1 V

      3E-34 (BCTY) - Body ground

      LG - Body ground

      Back door courtesy light switch input

      Back door closed

      11 to 14 V

      3E-39 (TR+) - Body ground

      P - Body ground

      Back door lock motor unlock drive output

      Back door opener switch (open switch) pushed

      11 to 14 V

      3E-39 (TR+) - Body ground

      P - Body ground

      Back door lock motor unlock drive output

      Back door opener switch (open switch) not pushed

      Below 1 V

      E22-17 (KSW) - Body ground*2

      V - Body ground

      Key unlock warning switch input

      No key in ignition key cylinder

      Pulse generation

      E22-17 (KSW) - Body ground*2

      V - Body ground

      Key unlock warning switch input

      Key in ignition key cylinder

      Below 1 V

      E22-23 (BDSU) - Body ground*2

      V - Body ground

      Back door opener switch input

      Back door opener switch (open switch) pushed

      Below 1 V

      E22-23 (BDSU) - Body ground*2

      V - Body ground

      Back door opener switch input

      Back door opener switch (open switch) not pushed

      Pulse generation

      • *1: for Model with Jam Protection Function on Driver Door Window Only

      • *2: w/o Entry and Start System

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may be malfunctioning.

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

    1. Disconnect the E33 certification ECU (smart key ECU assembly) connector.

      B264892N38

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

      Tip:

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

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      E33-11 (E) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

      E33-2 (+B) - Body ground

      L - Body ground

      +B power supply

      Always

      11 to 14 V

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

    3. Reconnect the E33 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

      E34-27 (TSW5) - Body ground

      V - Body ground

      Back door opener switch signal

      Back door opener switch off

      Pulse generation

      E34-27 (TSW5) - Body ground

      V - Body ground

      Back door opener switch signal

      Back door opener switch on

      Below 1 V

      If the result is not as specified, the certification ECU (smart key ECU assembly) may be malfunctioning.

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

    1. Disconnect the E107 double lock door control relay assembly connector.

      B336508N01

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

      Tip:

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

      Tester Connection

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      E107-1 (+B) - Body ground

      B - Body ground

      Battery power supply

      Always

      11 to 14 V

      E107-7 (CPUB) - Body ground

      LG - Body ground

      Battery power supply

      Always

      11 to 14 V

      E107-14 (GND) - Body ground

      W-B - Body ground

      Ground

      Always

      Below 1 Ω

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

    3. Reconnect the E107 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

      E107-5 (DLPD) - Body ground

      GR - Body ground

      Front RH double lock position switch input

      Double lock unset

      Pulse generation

      E107-5 (DLPD) - Body ground

      GR - Body ground

      Front RH double lock position switch input

      Double lock set

      Below 1 V

      E107-6 (DLPP) - Body ground

      L - Body ground

      Front LH double lock position switch input

      Double lock unset

      Pulse generation

      E107-6 (DLPP) - Body ground

      L - Body ground

      Front LH double lock position switch input

      Double lock set

      Below 1 V

      E107-11 (DLPR) - Body ground

      L - Body ground

      Rear RH double lock position switch input

      Double lock unset

      Pulse generation

      E107-11 (DLPR) - Body ground

      L - Body ground

      Rear RH double lock position switch input

      Double lock set

      Below 1 V

      E107-12 (DLPL) - Body ground

      P - Body ground

      Rear LH double lock position switch input

      Double lock unset

      Pulse generation

      E107-12 (DLPL) - Body ground

      P - Body ground

      Rear LH double lock position switch input

      Double lock set

      Below 1 V

      E107-3 (ACTS) - Body ground

      R - Body ground

      All door double lock motor set on output

      Double lock unset

      Below 1 V

      E107-3 (ACTS) - Body ground

      R - Body ground

      All door double lock motor set on output

      Double lock set

      11 to 14 V

      E107-4 (ACTR) - Body ground

      G - Body ground

      All door double lock motor set off output

      Double lock set

      Below 1 V

      E107-4 (ACTR) - Body ground

      G - 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 assembly may be malfunctioning.