CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM TERMINALS OF ECM


  1. ECM

    A005LA8E01

    Tech Tips

    The standard voltage and resistance of each ECM terminal is shown in the table below.

    In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol) " for the terminals to be inspected. The standard voltage and resistance between the terminals is shown under "Specific Condition".

    Use the illustration above as a reference for the ECM terminals.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A58-1 (BATT) - B23-16 (E1) Y - W-B Battery (for measuring battery voltage and for ECM memory) Always 11 to 14 V
    A58-2 (+B) - B23-16 (E1) B - W-B Power source of ECM Ignition switch ON 11 to 14 V
    A58-3 (+B2) - B23-16 (E1) B - W-B Power source of ECM Ignition switch ON 11 to 14 V
    A58-9 (STP) - B23-16 (E1) G - W-B Stop light switch assembly signal Brake pedal depressed 7.5 to 14 V
    Brake pedal released Below 1.5 V
    A58-13 (CANH) - B23-16 (E1) L - W-B CAN communication line Ignition switch ON Pulse generation
    A58-26 (CANL) - B23-16 (E1) W - W-B CAN communication line Ignition switch ON Pulse generation
    A58-41 (S) - B23-16 (E1) V - W-B M position switch signal Ignition switch ON and shift lever in M 11 to 14 V
    Ignition switch ON and shift lever not in M Below 1 V
    A58-42 (SFTU) - B23-16 (E1) GR - W-B Up-shift position switch signal Ignition switch ON and shift lever in M 11 to 14 V

    • Ignition switch ON and shift lever in "+" (up-shift)

    • Ignition switch ON and "+" shift paddle operated (up-shift)

    Below 1 V
    A58-43 (SFTD) - B23-16 (E1) P - W-B Down-shift position switch signal Ignition switch ON and shift lever in M 11 to 14 V

    • Ignition switch ON and shift lever in "-" (down-shift)

    • Ignition switch ON and "-" shift paddle operated (down-shift)

    Below 1 V
    A58-46 (MREL) - B23-16 (E1) GR - W-B EFI MAIN relay operation signal Ignition switch ON 11 to 14 V
    A58-57 (PWMS) - B23-16 (E1) L - W-B Pattern select switch (SPORT) signal Ignition switch ON and pattern select switch (SPORT) off 11 to 14 V
    Ignition switch ON and pattern select switch (SPORT) on Below 1.5 V
    B23-16 (E1) - Body ground W-B Ground Always Below 1 Ω
    B23-29 (+BM) - B23-16 (E1) GR - W-B Power source of throttle actuator Always 11 to 14 V
    B23-48 (SLU+) - B23-47 (SLU-) V - R Shift solenoid valve SLU signal Lock-up turned from off to on Pulse generation
    B23-63 (NSW) - B23-16 (E1) BE - W-B Park/neutral position switch signal Ignition switch ON and shift lever in P or N Below 1 Ω
    Ignition switch ON and shift lever not in P or N 11 to 14 V
    B23-67 (SLP+) - B23-66 (SLP-) W - GR Shift solenoid valve SLP signal Engine idling Pulse generation
    B23-68 (SL) - B23-16 (E1) P - W-B Shift solenoid valve SL signal Engine idling Pulse generation
    B23-71 (SC) - B23-16 (E1) LG - W-B Shift solenoid valve SC signal Engine idling Pulse generation
    B23-72 (SLS-) - B23-73 (SLS+) BE - V Shift solenoid valve SLS signal Engine idling Pulse generation
    B23-79 (R) - B23-16 (E1) R - W-B R position switch signal Ignition switch ON and shift lever in R 11 to 14 V
    Ignition switch ON and shift lever not in R Below 1 Ω
    B23-81 (D) - B23-16 (E1) L - W-B D position switch signal Ignition switch ON and shift lever in D or M 11 to 14 V
    Ignition switch ON and shift lever not in D and M Below 1 V
    B23-89 (PTO) - B23-121 (EPTO) L - BE Oil pressure sensor signal Engine idling and shift lever in P 0.8 to 1.2 V
    B23-95 (THO1) - B23-96 (ETHO) Y - B CVT fluid temperature sensor signal CVT fluid temperature: 60 to 120°C (140 to 248°F) 0.2 to 1.0 V
    B23-97 (N) - B23-16 (E1) V - W-B N position switch signal Ignition switch ON and shift lever in N 11 to 14 V
    Ignition switch ON and shift lever not in N Below 1 V
    B23-99 (P) - B23-16 (E1) P - W-B P position switch signal Ignition switch ON and shift lever in P 11 to 14 V
    Ignition switch ON and shift lever not in P Below 1 V
    B23-120 (VCPT) - B23-121 (EPTO) V - BE Power supply for oil pressure sensor signal Ignition switch ON 4.75 to 5.25 V
    B23-125 (NTO) - B23-16 (E1) G - W-B Transmission revolution sensor (NT) signal When driving with shift lever in D Pulse generation
    B23-126 (NTB) - B23-16 (E1) B - W-B Power supply for transmission revolution sensor (NT) Ignition switch ON 11 to 14 V
    B23-127 (NIN+) - B23-128 (NIN-) Y - LG Transmission revolution sensor (NIN) signal When driving with shift lever in D Pulse generation
    B23-129 (NOTO) - B23-16 (E1) BE - W-B Transmission revolution sensor (NOUT) signal When driving with shift lever in D Pulse generation
    B23-130 (NOTB) - B23-16 (E1) W - W-B Power supply for transmission revolution sensor (NOUT) Ignition switch ON 11 to 14 V