WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Entry and Start System) TERMINALS OF ECU


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

    B001CIBC01
    *A Main Body ECU (Multiplex Network Body ECU) with 3 connectors *B for LHD
    *C for RHD - -
    *1 Main Body ECU (Multiplex Network Body ECU) - -
    B001HRGC01
    *A Main Body ECU (Multiplex Network Body ECU) with 2 connectors *B for LHD
    *C for RHD - -
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

    2. Connect the driver side junction block assembly connectors.

    3. 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-32 (IG) - Body ground - IG power supply Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      A-31 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      A-30 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      Engine switch off Below 1 V
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω

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

      Click here

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G218-6 (FLCY) - Body ground R - Body ground Front door courtesy light switch assembly LH signal Front door LH open Below 1 V
      Front door LH closed 11 to 14 V
      G218-27 (FRCY) - Body ground B - Body ground Front door courtesy light switch assembly RH signal Front door RH open Below 1 V
      Front door RH closed 11 to 14 V
      2N-30 (RCTY) - Body ground*1 R - Body ground Rear door courtesy light switch assembly RH signal Rear door RH open Below 1 V
      Rear door RH closed 11 to 14 V
      2P-23 (RCTY) - Body ground*2 R - Body ground Rear door courtesy light switch assembly RH signal Rear door RH open Below 1 V
      Rear door RH closed 11 to 14 V
      2Q-33 (LCTY) - Body ground*1 V - Body ground Rear door courtesy light switch assembly LH signal Rear door LH open Below 1 V
      Rear door LH closed 11 to 14 V
      2O-15 (LCTY) - Body ground*2 V - Body ground Rear door courtesy light switch assembly LH signal Rear door LH open Below 1 V
      Rear door LH closed 11 to 14 V
      2Q-27 (BCTY) - Body ground*1 G - Body ground Back door courtesy light switch assembly signal Back door open Below 1 V
      Back door close 11 to 14 V
      2N-27 (BCTY) - Body ground*2 G - Body ground Back door courtesy light switch assembly signal Back door open Below 1 V
      Back door close 11 to 14 V
      G216-27 (GCTY) - Body ground*3 V - Body ground Glass hatch courtesy switch input Glass hatch open Below 1 V
      Engine switch off, all doors closed and glass hatch closed 11 to 14 V
      2O-41 (LSFR) - Body ground G - Body ground Front door unlock detection switch RH signal Front door RH unlocked Below 1 V
      Engine switch off, all doors closed and front door RH locked 11 to 14 V
      2N-12 (LSFL) - Body ground G - Body ground Front door unlock detection switch LH signal Front door LH unlocked Below 1 V
      Engine switch off, all doors closed and front door LH locked 11 to 14 V
      2Q-26 (LSWL) - Body ground*1, *4 B - Body ground Rear door unlock detection switch LH signal Rear door LH unlocked Below 1 V
      Engine switch off, all doors closed, rear door LH locked 11 to 14 V
      2O-38 (LSWL) - Body ground*2, *4 B - Body ground Rear door unlock detection switch LH signal Rear door LH unlocked Below 1 V
      Engine switch off, all doors closed, rear door LH locked 11 to 14 V
      G216-2 (LSWR) - Body ground*4 V - Body ground Rear door unlock detection switch RH signal Rear door RH unlocked Below 1 V
      Engine switch off, all doors closed, rear door RH locked 8 to 12 V
      G218-17 (LSWB) - Body ground SB - Body ground Back door unlock detection switch signal Back door unlocked Below 1 V
      Engine switch off, all doors closed, back door locked 11 to 14 V
      2M-30 (BZR) - Body ground GR - Body ground Wireless door lock buzzer signal Wireless door lock buzzer off Below 1 V
      Wireless door lock buzzer on Pulse generation

      *1: for LHD

      *2: for RHD

      *3: w/ Glass Hatch Opener System

      *4: for 5 Door

  2. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    B001DPZE55

    1. Disconnect the G215 certification ECU (smart key ECU assembly) connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G215-10 (+B) - Body ground V - Body ground Battery power supply Always 11 to 14 V
      G215-11 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the G215 certification ECU (smart key ECU assembly) 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
      G214-18 (RCO) - G215-11 (E) L - W-B

      Output to door control receiver

      (Power supply for door control receiver. Certification ECU [smart key ECU assembly] outputs 5 V when receiver starts operating.)

        Proceed:

      1. Engine switch off

      2. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

      3. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed

      Pulse generation

      (See waveform 1)
      G214-19 (CSEL) - G215-11 (E) P - W-B Communication channel switching circuit

        Proceed:

      1. Engine switch off

      2. All doors closed

      		 Below 1 V → Pulse generation
      G214-20 (RDAM) - G215-11 (E) G - W-B

      Door control receiver verifies data received from electrical key transmitter sub-assembly.

      Door control receiver sends data from electrical key transmitter sub-assembly to certification ECU (smart key ECU assembly) (Door control receiver intermittently grounds 12 V signal from certification ECU [smart key ECU assembly]).

        Proceed:

      1. Engine switch off

      2. All doors locked

      3. Electrical key transmitter sub-assembly not inside vehicle

      4. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

      5. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed

      Pulse generation

      (See waveform 2)
    5. B001I1JC12
      *a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
      *b After lock or unlock switch of electrical key transmitter sub-assembly pressed

      Using an oscilloscope, check waveform 1.

      Tech Tips

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Waveform 1 (Reference)
      Item Content
      Tester Connection G214-18 (RCO) - G215-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition

        Procedure:

      1. Engine switch off

      2. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

      3. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
    6. B001FZ3C12
      *a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
      *b After lock or unlock switch of electrical key transmitter sub-assembly pressed

      Using an oscilloscope, check waveform 2.

      Tech Tips

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Waveform 2 (Reference)
      Item Content
      Tester Connection G214-20 (RDAM) - G215-11 (E)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition

        Procedure:

      1. Engine switch off

      2. All doors locked

      3. Electrical key transmitter sub-assembly not inside vehicle

      4. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area

      5. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed