CLEARANCE SONAR SYSTEM TERMINALS OF ECU


  1. CLEARANCE WARNING ECU

    A01BGCPE01
    Terminal No. (Symbols) Wiring color Terminal description Condition Specified condition
    H33-1 (S1) - H33-14 (E1) R - G Front clearance sonar sensor RH When signals are transmitted from the ECU to the front clearance sonar sensor RH

    Pulse generation

    Refer to waveform 3
    H33-2 (S4) - H33-15 (E4) B - W Front clearance sonar sensor LH When signals are transmitted from the ECU to the front clearance sonar sensor LH

    Pulse generation

    Refer to waveform 3
    H33-3 (S5) - H33-16 (E5) B - Y Rear clearance sonar sensor RH When signals are transmitted from the ECU to the rear clearance sonar sensor RH

    Pulse generation

    Refer to waveform 3
    H33-4 (S6) - H33-17 (E6) W - R Rear clearance sonar sensor LH When signals are transmitted from the ECU to the rear clearance sonar sensor LH

    Pulse generation

    Refer to waveform 3
    H33-5 (S7) - H33-18 (E7) P - V Back sonar sensor RH When signals are transmitted from the ECU to the back sonar sensor RH

    Pulse generation

    Refer to waveform 2
    H33-6 (S8) - H33-19 (E8) L - Y Back sonar sensor LH When signals are transmitted from the ECU to the back sonar sensor LH

    Pulse generation

    Refer to waveform 2
    H33-8 (IG) - H33-27 (E) L-R - W-B Power source Ignition switch ON, clearance sonar main switch OFF → ON

    Below 1 V →

    10 to 14 V
    H33-9 (RL) - H33-27 (E) L - W-B Reverse signal Ignition switch ON, shift position is except R position → R

    Below 1 V →

    10 to 14 V
    H33-10 (CBZ) - H33-27 (E) L-W - W-B Clearance warning buzzer Clearance sonar sounding (when the clearance sonar senses something)

    Pulse generation

    Refer to waveform 1
    H33-11 (L7) - H33-27 (E) Y - W-B Back sonar indicator Back sonar indicator OFF → ON 10 to 14 V → Below 3 V
    H33-12 (L6) - H33-27 (E) Y-B - W-B Clearance sonar indicator rear LH Clearance sonar indicator rear LH OFF → ON 10 to 14 V → Below 3 V
    H33-13 (L5) - H33-27 (E) Y-R - W-B Clearance sonar indicator rear RH Clearance sonar indicator rear RH OFF → ON 10 to 14 V → Below 3 V
    H33-14 (E1) - H33-27 (E) G - W-B Ground (for front clearance sonar sensor RH) Always Below 1 V
    H33-15 (E4) - H33-27 (E) W - W-B Ground (for front clearance sonar sensor LH) Always Below 1 V
    H33-16 (E5) - H33-27 (E) Y - W-B Ground (for rear clearance sonar sensor RH) Always Below 1 V
    H33-17 (E6) - H33-27 (E) R - W-B Ground (for rear clearance sonar sensor LH) Always Below 1 V
    H33-18 (E7) - H33-27 (E) V - W-B Ground (for back sonar sensor RH) Always Below 1 V
    H33-19 (E8) - H33-27 (E) Y - W-B Ground (for back sonar sensor LH) Always Below 1 V
    H33-25 (SPD) - H33-27 (E) P-L - W-B Speed signal When driving at low speed Pulse generation
    H33-26 (TL) - H33-27 (E) G - W-B Dimmer signal

    Light control switch off

    → TAIL or HEAD

    Below 1 V →

    10 to 14 V
    H33-27 (E) - Body ground

    W-B -

    Body ground

    		 Ground Always Below 1 V
    H33-28 (PL) - H33-27 (E) R-W - W-B Parking position signal Shift lever is P position (A/T) 10 to 14 V
    H33-30 (L10) - H33-27 (E) L - W-B Power indicator Ignition switch ON, clearance sonar main switch OFF → ON

    10 to 14 V →

    Below 3 V
    H33-31 (L4) - H33-27 (E) Y-G - W-B Front clearance sonar indicator LH Front clearance sonar indicator LH OFF → ON 10 to 14 V → Below 3 V
    H33-32 (L1) - H33-27 (E) L-B - W-B Front clearance sonar indicator RH Front clearance sonar indicator RH OFF → ON 10 to 14 V → Below 3 V

  2. CLEARANCE WARNING INDICATOR

    A01BCOME01
    Terminal No. (Symbols) Wiring color Terminal description Condition Specified condition
    H15-1 (E) - Body ground

    W-B -

    Body ground

    		 Ground Always Below 1 V
    H15-2 (RR) - H15-1 (E) Y-R - W-B Rear clearance sonar indicator RH Rear clearance sonar indicator RH OFF → ON 10 to 14 V → Below 3 V
    H15-3 (FR) - H15-1 (E) L-B - W-B Front clearance sonar indicator RH Front clearance sonar indicator RH OFF → ON 10 to 14 V → Below 3 V
    H15-4 (RL) - H15-1 (E) Y-B - W-B Rear clearance sonar indicator LH Rear clearance sonar indicator LH OFF → ON 10 to 14 V → Below 3 V
    H15-5 (FL) - H15-1 (E) Y-G - W-B Front clearance sonar indicator LH Front clearance sonar indicator LH OFF → ON 10 to 14 V → Below 3 V
    H15-7 (BD) - H15-1 (E) L-R - W-B Power source Always 10 to 14 V
    H15-9 (BK) - H15-1 (E) Y - W-B Back sonar indicator Back sonar indicator OFF → ON 10 to 14 V → Below 3 V
    H15-10 (OP) - H15-1 (E) L - W-B Power indicator Ignition switch ON, clearance sonar main switch OFF → ON 10 to 14 V → Below 3 V
    H15-11 (BZ) - H15-1 (E) L-W - W-B Clearance warning buzzer Clearance sonar sounding (when the clearance sonar senses something)

    Pulse generation

    Refer to waveform 1
    H15-12 (SK) - H15-1 (E) L-R - W-B Power source Ignition switch ON, clearance sonar main switch OFF → ON

    Below 1 V →

    10 to 14 V

    1. A01BF7IE01

      Reference: waveform 1

      Tech Tips


      • Terminal: CBZ - E, BZ - E

      • Gauge set: 2 V/DIV, 500 μs/DIV

      • Condition: When the clearance sonar is detecting.

    2. A01BBK9E01

      Reference: waveform 2

      Tech Tips


      • Terminal: S7 - E7, S8 - E8

      • Gauge set: 2 V/DIV, 100 μs/DIV

      • Condition: When the clearance sonar is not detecting.

    3. A01BF3WE01

      Reference: waveform 3

      Tech Tips


      • Terminal: S1 - E1, S4 - E4, S5 - E5, S6 - E6

      • Gauge set: 2 V/DIV, 100 μs/DIV

      • Condition: When the back sonar is not detecting.