ELECTRONIC SHIFT LEVER SYSTEM TERMINALS OF ECU


  1. CHECK SHIFT CONTROL ECU

    B000Q6GC02
    *a TERMINALS OF SHIFT CONTROL ECU - -
    Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition
    A53-1 (MWA) - P75-6 (E01) Output L - W-B Parking lock motor signal Power switch on (IG) 7.5 to 15.4 V
    A53-2 (MVA) - P75-6 (E01) Output R - W-B Parking lock motor signal Power switch on (IG) 7.5 to 15.4 V
    A53-5 (MUA) - P75-6 (E01) Output B - W-B Parking lock motor signal Power switch on (IG) 7.5 to 15.4 V
    A53-7 (SS) - Body ground - - Shield line Always Below 1 Ω
    A53-12 (BMA1) - P74-1 (E1) Output G - W-B P CON MTR relay operation signal Power switch off → Power switch on (IG) 7.5 to 15.4 V → Below 1 V
    A53-16 (RS) - Body ground - - Shield line Always Below 1 Ω
    A53-17 (E2NS) - P74-1 (E1) Input G - W-B Range sensor ground Always 0.4 V or less
    A53-18 (NS2) - A53-17 (E2NS) Input R - G Range sensor signal Power switch on (IG), shift state park (P) 0.5 to 4.5 V
    A53-19 (VCNS) - A53-17 (E2NS) Output B - G Power source of range sensor Power switch on (IG) 4.5 to 5.5 V
    A53-20 (NS1) - A53-17 (E2NS) Input W - G Range sensor signal Power switch on (IG), shift state park (P) 0.5 to 4.5 V
    A53-21 (RB) - A53-24 (E2) Input R - G Rotation angle sensor signal Power switch off → Power switch on (IG) 0.4 V or less → 4.9 V or higher
    Power switch on (IG), changing the shift state between park (P) and neutral (N) Pulse generation (see waveform 1)
    A53-22 (VC) - A53-24 (E2) Output W - G Power source of rotation angle sensor Power switch on (IG) 4.5 to 5.5 V
    A53-23 (RA) - A53-24 (E2) Input B - G Rotation angle sensor signal Power switch off → Power switch on (IG) 0.4 V or less → 4.9 V or higher
    Power switch on (IG), changing the shift state between park (P) and neutral (N) Pulse generation (see waveform 1)
    A53-24 (E2) - P74-1 (E1) Output G - W-B Rotation angle sensor ground Always 0.4 V or less
    P74-1 (E1) - Body ground - W-B - - Ground Always Below 1 Ω
    P74-3 (SBFS) - P74-1 (E1) Output BE - W-B Fail-safe signal Power switch on (IG) Pulse generation (see waveform 2)
    P74-5 (CA2L) - P74-1 (E1) Input/Output W - W-B CAN communication signal Power switch on (IG) Pulse generation (see waveform 3)
    P74-6 (CA2H) - P74-1 (E1) Input/Output R - W-B CAN communication signal Power switch on (IG) Pulse generation (see waveform 3)
    P74-8 (CA1L) - P74-1 (E1) Input/Output W - W-B CAN communication signal Power switch on (IG) Pulse generation (see waveform 4)
    P74-9 (CA1H) - P74-1 (E1) Input/Output Y - W-B CAN communication signal Power switch on (IG) Pulse generation (see waveform 4)
    P74-10 (BUB) - P74-1 (E1) Input G - W-B Sub-battery power supply Power switch on (IG)*1 8 to 15.4 V
    P74-11 (EC) - Body ground - W-B - - Ground Always Below 1 Ω
    P74-13 (PPOS) - P74-1 (E1) Output LG - W-B Shift state signal Power switch on (IG), shift state park (P) Pulse generation (see waveform 5)
    P74-15 (BL) - P74-1 (E1) Output R - W-B Back-up light relay operation signal Shift state reverse (R) 7.25 to 14.65 V
    Shift state not reverse (R) 1 V or less
    P74-18 (ACC) - P74-1 (E1) Input GR - W-B ACC power supply Power switch on (ACC) 6 V or higher
    P74-20 (IGCT) - P74-1 (E1) Input SB - W-B IGCT power supply Power switch on (IG) 6 V or higher
    P74-22 (BUBI) - P74-1 (E1) Input P - W-B Sub-battery condition signal Power switch on (IG) Pulse generation (see waveform 6)
    P74-24 (BMA2) - P74-1 (E1) Output V - W-B P CON MTR2 relay operation signal Power switch on (IG)*2 7.5 to 15.4 V
    P74-27 (IG2) - P74-1 (E1) Input B - W-B IG2 power supply Power switch on (IG) 6 V or higher
    P74-29 (BUBO) - P74-1 (E1) Output L - W-B Backup request signal Power switch on (IG) Pulse generation (see waveform 7)
    P75-1 (BATT) - P74-1 (E1) Input G - W-B Auxiliary battery power supply Always 8 to 15.4 V
    P75-4 (E03) - Body ground - W-B - - Ground Always Below 1 Ω
    P75-5 (E02) - Body ground - W-B - - Ground Always Below 1 Ω
    P75-6 (E01) - Body ground - W-B - - Ground Always Below 1 Ω
    P75-10 (P1) - P74-1 (E1) Input SB - W-B P position switch signal Power switch on (IG), P position switch not operated 5.8 V or higher
    Power switch on (IG), P position switch being pushed and held 2.47 to 5.8 V
    P75-11 (ACCI) - P74-1 (E1) Output P - W-B Power source of shift position indicator Power switch off → Power switch on (ACC) 1 V or less → 8 to 15.4 V
    P75-12 (INDP) - P74-1 (E1) Output B - W-B Shift position indicator signal (P) Shift state park (P) 1 V or less
    Shift state not park (P) 8 to 15.4 V
    P75-13 (INDM) - P74-1 (E1) Output Y - W-B Shift position indicator signal (M) Shift state manual (M) 1 V or less
    Shift state not manual (M) 8 to 15.4 V
    P75-14 (INDD) - P74-1 (E1) Output R - W-B Shift position indicator signal (D) Shift state drive (D) 1 V or less
    Shift state not drive (D) 8 to 15.4 V
    P75-15 (INDN) - P74-1 (E1) Output G - W-B Shift position indicator signal (N) Shift state neutral (N) 1 V or less
    Shift state not neutral (N) 8 to 15.4 V
    P75-16 (INDR) - P74-1 (E1) Output BE - W-B Shift position indicator signal (R) Shift state reverse (R) 1 V or less
    Shift state not reverse (R) 8 to 15.4 V
    P75-17 (E12) - Body ground - W-B - - Ground Always Below 1 Ω
    P75-18 (STP) - P74-1 (E1) Input R - W-B Stop light switch signal Brake pedal depressed 7.17 V or higher
    Brake pedal released 2 V or less
    P75-19 (VSI1) - P75-24 (E2X1) Input B - LG Shift lever position signal Power switch on (READY), shift lever in home position 3.634 to 4.226 V
    Power switch on (READY), shift lever in D 1.366 to 1.923 V
    Power switch on (READY), shift lever in N 0.774 to 1.366 V
    Power switch on (READY), shift lever in R 0.3 to 0.774 V
    Power switch on (READY), shift lever in M 2.5 to 3.634 V
    P75-20 (VCX1) - P75-24 (E2X1) Output L - LG Power source of shift lever position sensor Power switch on (IG) 4.5 to 5.5 V
    P75-21 (VSI2) - P75-24 (E2X1) Input W - LG Shift lever position signal Power switch on (READY), shift lever in home position 3.084 to 3.676 V
    Power switch on (READY), shift lever in D 2.08 to 2.5 V
    Power switch on (READY), shift lever in N 1.324 to 2.08 V
    Power switch on (READY), shift lever in R 0.3 to 1.324 V
    Power switch on (READY), shift lever in M 2.5 to 3.084 V
    P75-22 (VCX2) - P75-26 (E2X2) Output GR - SB Power source of shift lever position sensor Power switch on (IG) 4.5 to 5.5 V
    P75-23 (VSI3) - P75-26 (E2X2) Input V - SB Shift lever position signal Power switch on (READY), shift lever in home position 1.324 to 1.916 V
    Power switch on (READY), shift lever in D 3.676 to 4.75 V
    Power switch on (READY), shift lever in N 2.92 to 3.676 V
    Power switch on (READY), shift lever in R 2.5 to 2.92 V
    Power switch on (READY), shift lever in M 0.3 to 1.324 V
    P75-24 (E2X1) - P74-1 (E1) Input LG - W-B Shift lever position sensor ground Power switch on (IG) 0.4 V or less
    P75-25 (VSI4) - P75-26 (E2X2) Input P - SB Shift lever position signal Power switch on (READY), shift lever in home position 0.774 to 1.366 V
    Power switch on (READY), shift lever in D 4.226 to 4.75 V
    Power switch on (READY), shift lever in N 3.634 to 4.226 V
    Power switch on (READY), shift lever in R 3.077 to 3.634 V
    Power switch on (READY), shift lever in M 0.3 to 0.774 V
    P75-26 (E2X2) - P74-1 (E1) Input SB - W-B Shift lever position sensor ground Power switch on (IG) 0.4 V or less

    *1: Power is supplied from the sub-battery module assembly for only 5 seconds after the power switch is turned on (IG). Therefore, measure the voltage during that time.

    *2: With the power switch on (IG), disconnect the cable from the negative (-) auxiliary battery terminal and check that the voltage level changes.

  2. OSCILLOSCOPE WAVEFORMS

    Tech Tips

    Oscilloscope waveform samples are provided here for reference only. Noise and fluctuating waveforms have been omitted.


    1. B000PN1E02

      Waveform 1 (Rotation angle sensor signal)

      Item Contents
      Terminal

      CH1: RA - E2

      CH2: RB - E2
      Equipment setting 2 V/DIV., 200 ms./DIV.
      Condition Power switch on (IG), changing the shift state between park (P) and neutral (N)

      Tech Tips

      When changing the shift state from park (P) to neutral (N), or neutral (N) to park (P) with the power switch on (IG), a waveform will be generated for up to 1.5 seconds.

    2. B000SZ1E02

      Waveform 2 (Fail-safe signal)

      Item Contents
      Terminal SBFS - E1
      Equipment setting 10 V/DIV., 20 ms./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveforms differ when the shift control ECU is malfunctioning.

    3. B000Q1AE02

      Waveform 3 (CAN communication signal)

      Item Contents
      Terminal

      CH1: CA2H - E1

      CH2: CA2L - E1
      Equipment setting 1 V/DIV., 10 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).

    4. B000OJZE02

      Waveform 4 (CAN communication signal)

      Item Contents
      Terminal

      CH1: CA1H - E1

      CH2: CA1L - E1
      Equipment setting 1 V/DIV., 10 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).

    5. B000RPJE02

      Waveform 5 (Shift state signal)

      Item Contents
      Terminal PPOS - E1
      Equipment setting 10 V/DIV., 10 ms./DIV.
      Condition Power switch on (IG), shift state park (P)

      Tech Tips

      The waveform will vary depending on the shift state.

    6. B000S2AE01

      Waveform 6 (Sub-battery condition signal)

      Item Contents
      Terminal BUBI - E1
      Equipment setting 10 V/DIV., 10 ms./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The duty ratio changes according to the vehicle condition.

    7. B000O5QE01

      Waveform 7 (Backup request signal)

      Item Contents
      Terminal BUBO - E1
      Equipment setting 10 V/DIV., 10 ms./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The duty ratio changes according to the vehicle condition.