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 2F, F14 and 2D junction block connectors.

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    2. Disconnect the A main body ECU (multiplex network body ECU) connector.

    3. 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
      2F-40 (BECU) - Body ground G - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      A-31 (ALTB) - Body ground - Auxiliary battery power supply Power switch off 11 to 14 V
      A-32 (IG) - Body ground - Power switch power supply Power switch on (IG) 11 to 14 V
      A-32 (IG) - Body ground - Power switch power supply Power switch off Below 1 V
      A-29 (ACC) - Body ground - ACC power supply Power switch on (ACC) 11 to 14 V
      A-29 (ACC) - Body ground - ACC power supply Power switch off Below 1 V
      F14-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      2D-6 (GND1) - Body ground BR - Body ground Ground Always Below 1 Ω

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

    4. Reconnect the 2F, F14 and 2D junction block connectors.

    5. Reconnect the A main body ECU (multiplex network body ECU) connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2H-26 (FLCY) - Body ground B - Body ground Front door LH courtesy switch input Front door LH open Below 1 V
      2H-26 (FLCY) - Body ground B - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V
      2D-26 (FRCY) - Body ground L - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      2D-26 (FRCY) - Body ground L - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V
      F12-3 (LCTY) - Body ground L - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V
      F12-3 (LCTY) - Body ground L - Body ground Rear door LH courtesy light switch input Rear door LH closed 11 to 14 V
      F13-6 (RCTY) - Body ground GR - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V
      F13-6 (RCTY) - Body ground GR - Body ground Rear door RH courtesy light switch input Rear door RH closed 11 to 14 V
      F13-19 (BCTY) - Body ground*1 R - Body ground Back door courtesy light switch input Back door open Below 1 V
      F13-19 (BCTY) - Body ground*1 R - Body ground Back door courtesy light switch input Back door closed 11 to 14 V
      F13-11 (L2) - Body ground BR - Body ground Driver side door key-linked lock input Driver side door key cylinder turned to lock Below 1 V
      F13-11 (L2) - Body ground BR - Body ground Driver side door key-linked lock input Driver side door key cylinder off 11 to 14 V
      F13-24 (UL3) - Body ground GR - Body ground Driver side door key-linked unlock input Driver side door key cylinder turned to unlock Below 1 V
      F13-24 (UL3) - Body ground GR - Body ground Driver side door key-linked unlock input Driver side door key cylinder off 11 to 14 V
      F13-9 (L1) - Body ground LG - Body ground Front passenger side door control switch input Front passenger side door control switch locked Below 1 V
      F13-9 (L1) - Body ground LG - Body ground Front passenger side door control switch input Front passenger side door control switch off Pulse generation
      F13-10 (UL1) - Body ground L - Body ground Front passenger side door control switch input Front passenger side door control switch unlocked Below 1 V
      F13-10 (UL1) - Body ground L - Body ground Front passenger side door control switch input Front passenger side door control switch off Pulse generation
      2D-3 (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
      2D-3 (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 locked 11 to 14 V
      2D-7 (ACTD) - Body ground R - Body ground 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
      2D-7 (ACTD) - Body ground R - Body ground Driver side door lock motor unlock drive output Multiplex network master switch (door control switch) or driver side door key cylinder unlocked 11 to 14 V
      2D-1 (ACT-) - Body ground R - 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
      2D-1 (ACT-) - Body ground R - Body ground Door lock motor unlock drive output (except driver side) Multiplex network master switch (door control switch) or driver side door key cylinder unlocked 11 to 14 V
      F13-18 (LSFR) - Body ground SB - Body ground Front door RH lock position switch input Front door RH unlocked Below 1 V
      F13-18 (LSFR) - Body ground SB - Body ground Front door RH lock position switch input Power switch off, all doors closed and front door RH locked Pulse generation
      2H-27 (LSWL) - Body ground Y - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2H-27 (LSWL) - Body ground Y - Body ground Rear door LH lock position switch input Power switch off, all doors closed and rear door LH locked Pulse generation
      F14-2 (LSWR) - Body ground B - Body ground Rear door RH lock position switch input Rear door RH unlocked Below 1 V
      F14-2 (LSWR) - Body ground B - Body ground Rear door RH lock position switch input Power switch off, all doors closed and rear door RH locked 11 to 14 V
      F13-7 (LSFL) - Body ground P - Body ground Front door LH lock position switch input Front door LH unlocked Below 1 V
      F13-7 (LSFL) - Body ground P - Body ground Front door LH lock position switch input Power switch off, all doors closed and front door LH locked Pulse generation
      2A-25 (GSW) - Body ground G - Body ground Center airbag sensor signal Power switch on (IG) with the center airbag sensor assembly connector disconnected 2.8 to 4.3 V

      • *1: w/o Power Back Door System

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

  2. CHECK DOUBLE LOCK DOOR CONTROL RELAY


    1. Disconnect the F84 double lock door control relay connector.

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    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
      F84-1 (+B) - Body ground R - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      F84-7 (CPUB) - Body ground SB - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      F84-14 (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 F84 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
      F84-5 (DLPD) - Body ground P - Body ground Front RH double lock position switch input Double lock UNSET Pulse generation
      F84-5 (DLPD) - Body ground P - Body ground Front RH double lock position switch input Double lock SET Below 1 V
      F84-6 (DLPP) - Body ground BR - Body ground Front LH double lock position switch input Double lock UNSET Pulse generation
      F84-6 (DLPP) - Body ground BR - Body ground Front LH double lock position switch input Double lock SET Below 1 V
      F84-11 (DLPR) - Body ground G - Body ground Rear RH double lock position switch input Double lock UNSET Pulse generation
      F84-11 (DLPR) - Body ground G - Body ground Rear RH double lock position switch input Double lock SET Below 1 V
      F84-12 (DLPL) - Body ground V - Body ground Rear LH double lock position switch input Double lock UNSET Pulse generation
      F84-12 (DLPL) - Body ground V - Body ground Rear LH double lock position switch input Double lock SET Below 1 V
      F84-3 (ACTS) - Body ground B - Body ground All door double lock motor set on output Double lock UNSET Below 1 V
      F84-3 (ACTS) - Body ground B - Body ground All door double lock motor set on output Double lock SET 11 to 14 V
      F84-4 (ACTR) - Body ground L - Body ground All door double lock motor set off output Double lock SET Below 1 V
      F84-4 (ACTR) - Body ground L - 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.

  3. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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    1. Disconnect the F58 certification ECU (smart key ECU assembly) connector.

    2. Measure the 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
      F58-22 (TSW5) - Body ground L - Body ground Back door opener switch signal Back door opener switch on Below 1 Ω
      F58-22 (TSW5) - Body ground L - Body ground Back door opener switch signal Back door opener switch off 10 kΩ or higher
      F58-15 (E) - 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 F58 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
      F58-22 (TSW5) - Body ground L - Body ground Back door opener switch signal Back door opener switch off Pulse generation
      F58-22 (TSW5) - Body ground L - 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 have a malfunction.

  4. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ Power Back Door System)

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    1. Disconnect the P33 power back door ECU (power back door motor unit) connector.

    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
      P33-12 (B) - Body ground Y - Body ground Auxiliary battery power supply Always 11 to 14 V
      P33-10 (ECUB) - Body ground BR - Body ground Auxiliary battery power supply Always 11 to 14 V
      P33-8 (IG) - Body ground SB - Body ground IG power supply Power switch on (IG) 11 to 14 V
      P33-8 (IG) - Body ground SB - Body ground IG power supply Power switch off Below 1 V
      P33-11 (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 P33 power back door ECU (power back door motor unit) connector.

    4. Initialize the power back door ECU (power back door motor unit) Click here.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P33-20 (FUL) - Body ground P - Body ground Back door courtesy switch circuit Back door closed 11 to 14 V
      P33-20 (FUL) - Body ground P - Body ground Back door courtesy switch circuit Back door open Below 1 V

      If the result is not as specified, the power back door ECU (power back door motor unit) may have a malfunction.