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


  1. CHECK MAIN BODY ECU

    A01X7E7E02
    Text in Illustration
    *1 Cowl Side Junction Block LH - -
    A01X1AEE03
    Text in Illustration
    *1 Main Body ECU - -

    1. Remove the main body ECU from the cowl side junction block LH.

      for LHD: Click here

      for RHD: Click here

    2. Connect the cowl side junction block LH 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-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω
      A-30 (ACC) - Body ground None - Body ground ACC power supply ignition switch ACC 11 to 14 V
      ignition switch off Below 1 V
      A-31 (BECU) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground None - Body ground IG power supply ignition switch ON 11 to 14 V
      ignition switch off Below 1 V

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

    4. Install the main body ECU to the cowl side junction block LH.

      for LHD: Click here

      for RHD: Click here

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2H-29 (BZR) - Body ground G - Body ground Wireless door lock buzzer signal Wireless door lock buzzer off Below 1 V
      Wireless door lock buzzer on Pulse generation
      2J-16 (LSFR) - Body ground B - Body ground Front door RH unlock detection switch input signal Front door RH unlocked Below 1 V
      ignition switch off, all doors closed and front door RH locked Pulse generation
      2J-19 (LSFL) - Body ground G - Body ground Front door LH unlock detection switch input signal Front door LH unlocked Below 1 V
      ignition switch off, all doors closed and front door LH locked Pulse generation
      2J-28 (KSW) - Body ground G - Body ground Key unlock warning switch input No key in ignition key cylinder Pulse generation
      Key in ignition key cylinder Below 1 V
      2J-29 (RCTY) - Body ground BE - Body ground Rear door courtesy light switch assembly RH input signal Rear door RH open Below 1 V
      Rear door RH closed Pulse generation
      2K-31 (BCTY) - Body ground W - Body ground Back door courtesy light switch input Back door closed Below 1 V
      Back door open Pulse generation
      2K-33 (LSWL) - Body ground L - Body ground Rear door LH unlock detection switch input signal Rear door LH unlocked Below 1 V
      ignition switch off, all doors closed and rear door LH locked Pulse generation
      2K-34 (LCTY) - Body ground BE - Body ground Rear door courtesy light switch assembly LH input signal Rear door LH open Below 1 V
      Rear door LH closed Pulse generation
      E117-2 (LSWR) - Body ground W - Body ground Rear door RH unlock detection switch input signal Rear door RH unlocked Below 1 V
      ignition switch off, all doors closed and rear door RH locked 11 to 14 V
      E118-4 (RDA) - Body ground G - Body ground Door control receiver input No key in ignition key cylinder, all doors closed and transmitter switch off → on Pulse generation
      E118-5 (PRG) - Body ground L - Body ground Door control receiver output Key in ignition key cylinder → No key in ignition key cylinder Pulse generation
      E118-6 (FLCY) - Body ground V - Body ground Front door courtesy light switch assembly LH input signal Front door LH open Below 1 V
      Front door LH closed Pulse generation
      E118-17 (LSWB) - Body ground B - Body ground Back door unlock detection switch input signal Back door unlocked Below 1 V
      ignition switch off, all doors closed and back door locked 11 to 14 V
      E118-27 (FRCY) - Body ground V - Body ground Front door courtesy light switch assembly RH input signal Front door RH open Below 1 V
      Front door RH closed Pulse generation

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

  2. CHECK DOOR CONTROL RECEIVER

    A01XA1JE02

    1. Disconnect the L47 receiver connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L47-1 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
      L47-5 (+B) - Body ground R - Body ground Battery power supply Always 4.6 to 5.4 V

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