CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM TERMINALS OF ECM

  1. ECM

    C275234E02
    Tip:

    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 or resistance between the terminals is shown under "Specified Condition".

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

    Terminal No. (Symbol)

    Wiring Color

    Terminal Description

    Condition

    Specified Condition

    A50-1 (BATT) - B31-16 (E1)

    P - BR

    Battery (for measuring battery voltage and for ECM memory)

    Always

    11 to 14 V

    A50-2 (+B) - B31-16 (E1)

    B - BR

    Power source of ECM

    Ignition switch ON

    11 to 14 V

    A50-3 (+B2) - B31-16 (E1)

    B - BR

    Power source of ECM

    Ignition switch ON

    11 to 14 V

    A50-9 (STP) - B31-16 (E1)

    L - BR

    Stop light switch assembly signal

    Brake pedal depressed

    7.5 to 14 V

    Brake pedal released

    Below 1.5 V

    A50-13 (CANH) - B31-16 (E1)

    B - BR

    CAN communication line

    Ignition switch ON

    Pulse generation

    A50-26 (CANL) - B31-16 (E1)

    W - BR

    CAN communication line

    Ignition switch ON

    Pulse generation

    A50-41 (S) - B31-16 (E1)

    L - BR

    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

    A50-42 (SFTU) - B31-16 (E1)

    W - BR

    Up-shift position switch signal

    Ignition switch ON and shift lever in M

    11 to 14 V

    • Ignition switch ON and shift lever in "+"

    • Ignition switch ON and "+" shift paddle operated

    Below 1 V

    A50-43 (SFTD) - B31-16 (E1)

    R - BR

    Down-shift position switch signal

    Ignition switch ON and shift lever in M

    11 to 14 V

    • Ignition switch ON and shift lever in "-"

    • Ignition switch ON and "-" shift paddle operated

    Below 1 V

    A50-46 (MREL) - B31-16 (E1)

    L - BR

    EFI MAIN relay

    Ignition switch ON

    11 to 14 V

    A50-57 (PWMS) - B31-16 (E1)

    G - BR

    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

    B31-16 (E1) - Body ground

    BR - Body ground

    Ground

    Always

    Below 1 Ω

    B31-29 (+BM) - B31-16 (E1)

    B - BR

    Power source of ECM

    Always

    11 to 14 V

    B31-63 (NSW) - B31-16 (E1)

    W - BR

    Park/neutral position switch signal

    Ignition switch ON and shift lever in P or N

    Below 1 V

    Ignition switch ON and shift lever not in P or N

    11 to 14 V

    B31-67 (SLT+) - B31-66 (SLT-)

    LG - V

    Shift solenoid valve SLT signal

    Engine idling

    Pulse generation

    B31-69 (DS2) - B31-16 (E1)

    G - BR

    Shift solenoid valve DS2 signal

    Accelerator pedal depressed further after driving at constant vehicle speed with shift lever in D

    Pulse generation

    B31-70 (DS1) - B31-16 (E1)

    P - BR

    Shift solenoid valve DS1 signal

    Accelerator pedal released while driving with shift lever in D

    Pulse generation

    B31-71 (DSU) - B31-16 (E1)

    R - BR

    Shift solenoid valve DSU signal

    Lock-up turned from off to on

    Pulse generation

    B31-73 (SLS+) - B31-72 (SLS-)

    B - L

    Shift solenoid valve SLS signal

    Engine idling

    Pulse generation

    B31-79 (R) - B31-16 (E1)

    L - BR

    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 V

    B31-81 (D) - B31-16 (E1)

    GR - BR

    D position switch signal

    Ignition switch ON and shift lever in D

    11 to 14 V

    Ignition switch ON and shift lever not in D

    Below 1 V

    B31-89 (PTO) - B31-121 (EPTO)

    R - V

    Oil pressure sensor signal

    Engine idle speed and shift lever in P

    0.8 to 1.2 V

    B31-95 (THO1) - B31-96 (ETHO)

    Y - GR

    CVT fluid temperature sensor signal

    CVT fluid temperature: 60 to 120°C (140 to 248°F)

    0.2 to 1.0 V

    B31-97 (N) - B31-16 (E1)

    B - BR

    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

    B31-99 (P) - B31-16 (E1)

    V - BR

    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

    B31-120 (VCPT) - B31-121 (EPTO)

    R - V

    Power supply for oil pressure sensor signal

    Ignition switch ON

    4.5 to 5.5 V

    B31-125 (NTO) - B31-16 (E1)

    GR - BR

    Transmission revolution sensor (NT) signal

    When driving with shift lever in D

    Pulse generation

    B31-126 (NTB) - B31-16 (E1)

    P - BR

    Power supply for transmission revolution sensor (NT)

    Ignition switch ON

    4.75 to 5.25 V

    B31-127 (NIN+) - B31-128 (NIN-)

    P - V

    Transmission revolution sensor (NIN) signal

    When driving with shift lever in D

    Pulse generation

    B31-129 (NOTO) - B31-16 (E1)

    G - BR

    Transmission revolution sensor (NOUT) signal

    When driving with shift lever in D

    Pulse generation

    B31-130 (NOTB) - B31-16 (E1)

    R - BR

    Power supply for transmission revolution sensor (NOUT)

    Ignition switch ON

    4.75 to 5.25 V