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ENTRY AND START SYSTEM (for Entry Function) TERMINALS OF ECU

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  1. A01DO5ME30

    CHECK CERTIFICATION ECU


    1. Disconnect the G38 ECU 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
      G38-1 (+B) - G38-15 (E) V - W-B +B power supply Always 11 to 14 V
      G38-15 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G38-16 (IG) - G38-15 (E) W - W-B IG power supply Engine switch off → on (IG) Below 1 V →11 to 14 V
      G38-17 (CUTB) - G38-15 (E) L - W-B +B 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 G38 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G38-3 (CLG1) - G38-15 (E) R - W-B Electrical key antenna (for driver side) sensor signal Engine switch off, all doors closed, key not in cabin and transmitter lock switch not pressed → pressed No pulse generation → Pulse generation
      G38-4 (CG1B) - G38-15 (E) G - W-B Electrical key antenna (for driver side) sensor signal Engine switch off, all doors closed, key not in cabin and transmitter lock switch not pressed → pressed No pulse generation → Pulse generation
      G38-5 (CLG2) - G38-15 (E) B - W-B Electrical key antenna (for front passenger side) sensor signal Engine switch off, all doors closed, key not in cabin and transmitter lock switch not pressed → pressed No pulse generation → Pulse generation
      G38-6 (CG2B) - G38-15 (E) W - W-B Electrical key antenna (for front passenger side) sensor signal Engine switch off, all doors closed, key not in cabin and transmitter lock switch not pressed → pressed No pulse generation → Pulse generation
      G38-7 (CLG5) - G38-15 (E) R - W-B Indoor No. 1 electrical key antenna (front floor) sensor signal Engine switch off, all doors closed, key not in cabin and lock sensor off → on No pulse generation → Pulse generation
      G38-8 (CG5B) - G38-15 (E) W - W-B Indoor No. 1 electrical key antenna (front floor) sensor signal Engine switch off, all doors closed, key not in cabin and lock sensor off → on No pulse generation → Pulse generation
      G38-18 (TSW1) - G38-15 (E) LG - W-B Entry lock sensor (for driver side) detection signal Engine switch off, all doors closed and lock sensor (for driver side) off → on Pulse generation → Below 2 V
      G38-19 (TSW2) - G38-15 (E) V - W-B Entry lock sensor (for front passenger side) detection signal Engine switch off, all doors closed and lock sensor (for front passenger side) off → on Pulse generation → Below 2 V
      G38-20 (SEN1) - G38-15 (E) W - W-B Entry unlock sensor (for driver side) detection signal Engine switch off, all doors locked, key not sufficiently close to vehicle and unlock sensor (for driver side) off → on Pulse generation → Below 2 V
      G38-21 (SEN2) - G38-15 (E) L - W-B Entry unlock sensor (for front passenger side) detection signal Engine switch off, all doors locked, key not sufficiently close to vehicle and unlock sensor (for front passenger side) off → on Pulse generation → Below 2 V
      G38-22 (TSW5) - Body ground G - Body ground Luggage electrical key switch signal Unlock switch off → on Pulse generation → Below 1 V
      G38-23 (TSW6) - Body ground L - Body ground Luggage electrical key switch signal Lock switch off → on Pulse generation → Below 1 V
      G38-24 (CLG6) - G38-15 (E) Y - W-B Indoor No. 2 electrical key antenna (rear floor) sensor signal Engine switch off, all doors closed, key not in cabin and lock sensor off → on No pulse generation → Pulse generation
      G38-25 (CG6B) - G38-15 (E) W - W-B Indoor No. 2 electrical key antenna (rear floor) sensor signal Engine switch off, all doors closed, key not in cabin and lock sensor off → on No pulse generation → Pulse generation
      G38-26 (CLG7) - G38-15 (E) LG - W-B Indoor No. 3 electrical key antenna (inside luggage) sensor signal Engine switch off, all doors closed, key not in cabin and lock sensor off → on No pulse generation → Pulse generation
      G38-27 (CG7B) - G38-15 (E) L - W-B Indoor No. 3 electrical key antenna (inside luggage) sensor signal Engine switch off, all doors closed, key not in cabin and lock sensor off → on No pulse generation → Pulse generation
      G38-32 (POS1) - G38-15 (E) R - W-B Entry unlock sensor (for driver side) output signal Engine switch off → on (IG) 9 to 14 V → Below 2 V
      G38-33 (POS2) - G38-15 (E) R - W-B Entry unlock sensor (for front passenger side) output signal Engine switch off → on (IG) 9 to 14 V → Below 2 V
      G39-5 (RCO) - G38-15 (E) L - W-B Door control receiver power source Engine switch off and transmitter switch not pressed → pressed Below 1 V → 4.5 to 5.5 V
      G39-15 (RDA) - G38-15 (E) G - W-B Door control receiver data input signal Engine switch off 11 to 14 V pulse generation at regular intervals
      G39-16 (RSSI) - G38-15 (E) P - W-B Door control receiver electric wave existence signal All doors closed, all doors locked and transmitter switch not pressed → pressed 11 to 14 V → Below 2 V
      G39-19 (CLG8) - G38-15 (E) B - W-B Electrical key antenna (outside luggage) sensor signal Engine switch off, all doors closed and unlock switch off → on No pulse generation → Pulse generation
      G39-20 (CG8B) - G38-15 (E) W - W-B Electrical key antenna (outside luggage) sensor signal Engine switch off, all doors closed and unlock switch off → on No pulse generation → Pulse generation

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

  2. A01DMMGE06

    CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    Table 1. Text in Illustration
    *A for LHD *B for RHD

    1. Remove the main body ECU (Click here).

    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
      A-30 (BECU) - Body ground - Auxiliary battery power supply Always 11 to 14 V
      A-31 (ALTB) - Body ground - Auxiliary battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground - Engine switch power supply Engine switch on (IG) 11 to 14 V
      A-32 (IG) - Body ground - Engine switch power supply Engine switch off Below 1 V
      A-29 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      A-29 (ACC) - Body ground - ACC power supply Engine switch off Below 1 V
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω
      G63-3 (GND2) - 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. Install the main body ECU (Click here).

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V
      2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V
      2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V
      G65-3 (LCTY) - Body ground*3 V - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V
      G65-3 (LCTY) - Body ground*3 V - Body ground Rear door LH courtesy light switch input Rear door LH closed 11 to 14 V
      G64-6 (RCTY) - Body ground*3 R - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V
      G64-6 (RCTY) - Body ground*3 R - Body ground Rear door RH courtesy light switch input Rear door RH closed 11 to 14 V
      G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Back door open Below 1 V
      G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Engine switch off, all doors closed and back door closed Pulse generation (see waveform 1 or 2)
      G64-1 (GCTY) - Body ground*4 V - Body ground Glass hatch courtesy switch input Glass hatch open Below 1 V
      G64-1 (GCTY) - Body ground*4 V - Body ground Glass hatch courtesy switch input Engine switch off, all doors closed and glass hatch closed Pulse generation (see waveform 3 or 4)
      G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Front door LH unlocked Below 1 V
      G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Engine switch off, all doors closed and front door LH locked Pulse generation (see waveform 5 or 6)
      G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Front door RH unlocked Below 1 V
      G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Engine switch off, all doors closed and front door RH locked Pulse generation (see waveform 7 or 8)
      2I-25 (LSWL) - Body ground*1, *3 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2I-25 (LSWL) - Body ground*1, *3 B - Body ground Rear door LH lock position switch input Engine switch off, all doors closed and rear door LH locked Pulse generation (see waveform 9 or 10)
      2D-16 (LSWL) - Body ground*2, *3 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V
      2D-16 (LSWL) - Body ground*2, *3 B - Body ground Rear door LH lock position switch input Engine switch off, all doors closed and rear door LH locked Pulse generation (see waveform 11 or 12)
      G63-2 (LSWR) - Body ground*3 V - Body ground Rear door RH lock position switch input Rear door RH unlocked Below 1 V
      G63-2 (LSWR) - Body ground*3 V - Body ground Rear door RH lock position switch input Engine switch off, all doors closed and rear door RH locked Pulse generation (see waveform 13 or 14)
      G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Back door lock unlocked Below 1 V
      G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Engine switch off, all doors closed and back door locked Pulse generation (see waveform 15 or 16)

      • *1: for LHD

      • *2: for RHD

      • *3: for 5 Door

      • *4: w/ Glass Hatch Opener System

      If the result is not as specified, the main body ECU or driver side junction block assembly may have a malfunction.

    5. A01DS10E01

      Using an oscilloscope, check waveform 1.

      Table 2. Waveform 1 (Reference)
      Item Content
      Terminal No. (Symbol) G64-19 (BCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and back door closed
    6. A01DSUNE01

      Using an oscilloscope, check waveform 2.

      Table 3. Waveform 2 (Reference)
      Item Content
      Terminal No. (Symbol) G64-19 (BCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and back door closed
    7. A01DS10E01

      Using an oscilloscope, check waveform 3.

      Table 4. Waveform 3 (Reference)
      Item Content
      Terminal No. (Symbol) G64-1 (GCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and glass hatch closed
    8. A01DSUNE01

      Using an oscilloscope, check waveform 4.

      Table 5. Waveform 4 (Reference)
      Item Content
      Terminal No. (Symbol) G64-1 (GCTY) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and glass hatch closed
    9. A01DS10E01

      Using an oscilloscope, check waveform 5.

      Table 6. Waveform 5 (Reference)
      Item Content
      Terminal No. (Symbol) G64-7 (LSFL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door LH locked
    10. A01DSUNE01

      Using an oscilloscope, check waveform 6.

      Table 7. Waveform 6 (Reference)
      Item Content
      Terminal No. (Symbol) G64-7 (LSFL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door LH locked
    11. A01DS10E01

      Using an oscilloscope, check waveform 7.

      Table 8. Waveform 7 (Reference)
      Item Content
      Terminal No. (Symbol) G64-18 (LSFR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door RH locked
    12. A01DSUNE01

      Using an oscilloscope, check waveform 8.

      Table 9. Waveform 8 (Reference)
      Item Content
      Terminal No. (Symbol) G64-18 (LSFR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and front door RH locked
    13. A01DS10E01

      Using an oscilloscope, check waveform 9.

      Table 10. Waveform 9 (Reference)
      Item Content
      Terminal No. (Symbol) 2I-25 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door LH locked
    14. A01DSUNE01

      Using an oscilloscope, check waveform 10.

      Table 11. Waveform 10 (Reference)
      Item Content
      Terminal No. (Symbol) 2I-25 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door LH locked
    15. A01DS10E01

      Using an oscilloscope, check waveform 11.

      Table 12. Waveform 11 (Reference)
      Item Content
      Terminal No. (Symbol) 2D-16 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door LH locked
    16. A01DSUNE01

      Using an oscilloscope, check waveform 12.

      Table 13. Waveform 12 (Reference)
      Item Content
      Terminal No. (Symbol) 2D-16 (LSWL) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door LH locked
    17. A01DOEPE01

      Using an oscilloscope, check waveform 13.

      Table 14. Waveform 13 (Reference)
      Item Content
      Terminal No. (Symbol) G63-2 (LSWR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door RH locked
    18. A01DTKWE01

      Using an oscilloscope, check waveform 14.

      Table 15. Waveform 14 (Reference)
      Item Content
      Terminal No. (Symbol) G63-2 (LSWR) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and rear door RH locked
    19. A01DS10E01

      Using an oscilloscope, check waveform 15.

      Table 16. Waveform 15 (Reference)
      Item Content
      Terminal No. (Symbol) G65-13 (LSWB) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and back door locked
    20. A01DSUNE01

      Using an oscilloscope, check waveform 16.

      Table 17. Waveform 16 (Reference)
      Item Content
      Terminal No. (Symbol) G65-13 (LSWB) - Body ground
      Tool Setting 5 V/DIV., 20 ms/DIV.
      Condition Engine switch off, all doors closed and back door locked