CRUISE CONTROL SYSTEM TERMINALS OF ECM


  1. CHECK ECM (for 3UR-FE)

    A01X6FJE02

    Tech Tips

    The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    C45-81 (E1) - Body ground W-B - Body ground ECM ground Always Below 1 Ω
    C45-49 (D) - Body ground P - Body ground D shift position signal

    Ignition switch ON

    Shift lever in D

    11 to 14 V

    Ignition switch ON

    Shift lever not in D

    Below 1 V
    A38-39 (SFTU) - Body ground V - Body ground Up-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in +

    Below 1 V
    A38-27 (S) - Body ground W - Body ground S shift position switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever not in S

    Below 1 V
    A38-47 (SFTD) - Body ground L - Body ground Down-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in -

    Below 1 V
    A38-7 (STP) - Body ground R - Body ground Stop light signal Brake pedal depressed 7.5 to 14 V
    Brake pedal released 0 to 1.5 V
    A38-8 (ST1-) - Body ground P - Body ground Stop light signal (opposite to STP terminal)

    Ignition switch ON

    Brake pedal depressed

    0 to 1.5 V

    Ignition switch ON

    Brake pedal released

    7.5 to 14 V
    A38-60 (CCS) - A38-59 (ECCS) L - BR Cruise control main switch signal

    Ignition switch ON

    Main switch off

    1 MΩ or higher

    Ignition switch ON

    CANCEL switch held on

    1510 to 1570 Ω

    Ignition switch ON

    -SET switch held on

    620 to 640 Ω

    Ignition switch ON

    +RES switch held on

    235 to 245 Ω

    Ignition switch ON

    Main switch on

    Below 2.5 Ω
  2. CHECK ECM (for 1UR-FE)

    A01X6VCE01

    Tech Tips

    The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

    C45*1-81 (E1) - Body ground

    C46*2-81 (E1) - Body ground

    BR - Body ground ECM ground Always Below 1 Ω

    C45*1-27 (D) - Body ground

    C46*2-27 (D) - Body ground

    Y - Body ground D shift position signal

    Ignition switch ON

    Shift lever in D

    11 to 14 V

    Ignition switch ON

    Shift lever not in D

    Below 1 V

    A38*1-38 (SFTU) - Body ground

    A52*2-38 (SFTU) - Body ground

    V - Body ground Up-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "+"

    Below 1 V

    A38*1-25 (S) - Body ground

    A52*2-25 (S) - Body ground

    W - Body ground S shift position switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever not in S

    Below 1 V

    A38*1-27 (SFTD) - Body ground

    A52*2-27 (SFTD) - Body ground

    L - Body ground Down-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "-"

    Below 1 V

    A38*1-36 (STP) - Body ground

    A52*2-36 (STP) - Body ground

    R - Body ground Stop light signal Brake pedal depressed 7.5 to 14 V
    Brake pedal released 0 to 1.5 V

    A38*1-35 (ST1-) - Body ground

    A52*2-35 (ST1-) - Body ground

    P - Body ground Stop light signal (opposite to STP terminal)

    Ignition switch ON

    Brake pedal depressed

    0 to 1.5 V

    Ignition switch ON

    Brake pedal released

    7.5 to 14 V

    A38*1-45 (CCS) - Body ground

    A52*2-45 (CCS) - Body ground

    L - Body ground Cruise control main switch signal

    Ignition switch ON

    Main switch off

    1 MΩ or higher

    Ignition switch ON

    CANCEL switch held on

    1510 to 1570 Ω

    Ignition switch ON

    -SET switch held on

    620 to 640 Ω

    Ignition switch ON

    +RES switch held on

    235 to 245 Ω

    Ignition switch ON

    Main switch on

    Below 2.5 Ω

    • *1: for LHD

    • *2: for RHD

  3. CHECK ECM (for 1GR-FE)

    A01X78XE01

    Tech Tips

    The standard voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard voltage for that pair of terminals, which is displayed in the "Specified Condition" column. The illustration above can be used as a reference to identify the ECM terminal locations.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

    C45*1-81 (E1) - Body ground

    C46*2-81 (E1) - Body ground

    BR - Body ground ECM ground Always Below 1 Ω

    C45*1-27 (D) - Body ground

    C46*2-27 (D) - Body ground

    P - Body ground D shift position signal*3

    Ignition switch ON

    Shift lever in D

    11 to 14 V

    Ignition switch ON

    Shift lever not in D

    Below 1 V

    C45*1-27 (D) - Body ground

    C46*2-27 (D) - Body ground

    P - Body ground Clutch switch signal*4

    Ignition switch ON

    clutch pedal depressed

    Below 1 V

    Ignition switch ON

    clutch pedal released

    11 to 14 V
    A38*1-38 (SFTU) - Body ground V - Body ground Up-shift switch signal*3

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "+"

    Below 1 V
    A38*1-25 (S) - Body ground W - Body ground S shift position switch signal*3

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever not in S

    Below 1 V
    A38*1-27 (SFTD) - Body ground L - Body ground Down-shift switch signal*3

    Ignition switch ON

    Shift lever in S

    11 to 14 V
    Shift lever in "-" Below 1 V

    A38*1-36 (STP) - Body ground

    A52*2-36 (STP) - Body ground

    R - Body ground Stop light signal Brake pedal depressed 7.5 to 14 V

    Ignition switch ON

    Brake pedal released

    0 to 1.5 V

    A38*1-35 (ST1-) - Body ground

    A52*2-35 (ST1-) - Body ground

    P - Body ground Stop light signal (opposite to STP terminal)

    Ignition switch ON

    Brake pedal depressed

    0 to 1.5 V

    Ignition switch ON

    Brake pedal released

    7.5 to 14 V

    A38*1-45 (CCS) - Body ground

    A52*2-45 (CCS) - Body ground

    L - Body ground Cruise control main switch signal

    Ignition switch ON

    Main switch off

    1 MΩ or higher

    Ignition switch ON

    CANCEL switch held on

    1510 to 1570 Ω

    Ignition switch ON

    -SET switch held on

    620 to 640 Ω

    Ignition switch ON

    +RES switch held on

    235 to 245 Ω

    Ignition switch ON

    Main switch on

    Below 2.5 Ω

    • *1: for LHD

    • *2: for RHD

    • *3: for Automatic Transmission

    • *4: for Manual Transmission

  4. CHECK ECM (for 1VD-FTV (w/ DPF))

    A01X2QNE01

    Tech Tips

    The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of the checks should be compared with the standard normal voltage for that pair of terminals, which is displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

    C45*1-81 (E1) - Body ground

    C46*2-81 (E1) - Body ground

    BR - Body ground ECM ground Always Below 1 Ω

    C45*1-28 (D) - Body ground

    C46*2-28 (D) - Body ground

    P - Body ground D shift position signal

    Ignition switch ON

    Shift lever in D

    11 to 14 V

    Ignition switch ON

    Shift lever not in D

    Below 1 V

    A38*1-38 (SFTU) - Body ground

    A52*2-38 (SFTU) - Body ground

    V - Body ground Up-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "+"

    Below 1 V

    A38*1-25 (S) - Body ground

    A52*2-25 (S) - Body ground

    W - Body ground S shift position switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever not in S

    Below 1 V

    A38*1-37 (SFTD) - Body ground

    A52*2-37 (SFTD) - Body ground

    L - Body ground Down-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "-"

    Below 1 V

    A38*1-13 (STP) - Body ground

    A52*2-13 (STP) - Body ground

    R - Body ground Stop light signal Brake pedal depressed 7.5 to 14 V
    Brake pedal released 0 to 1.5 V

    A38*1-35 (ST1-) - Body ground

    A52*2-35 (ST1-) - Body ground

    P - Body ground Stop light signal (opposite to STP terminal)

    Ignition switch ON

    Brake pedal depressed

    0 to 1.5 V

    Ignition switch ON

    Brake pedal released

    7.5 to 14 V

    A38*1-40 (CCS) - Body ground

    A52*2-40 (CCS) - Body ground

    L - Body ground Cruise control main switch signal

    Ignition switch ON

    Main switch off

    1 MΩ or higher

    Ignition switch ON

    CANCEL switch held on

    1510 to 1570 Ω

    Ignition switch ON

    -SET switch hed on

    620 to 640 Ω

    Ignition switch ON

    +RES switch held on

    235 to 245 Ω

    Ignition switch ON

    Main switch on

    Below 2.5 Ω

    • *1: for LHD

    • *2: for RHD

  5. CHECK ECM (for 1VD-FTV (w/o DPF))

    A01X51ZE01

    Tech Tips

    The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of the checks should be compared with the standard normal voltage for that pair of terminals, which is displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

    C45*1-81 (E1) - Body ground

    C46*2-81 (E1) - Body ground

    BR - Body ground ECM ground Always Below 1 Ω

    C45*1-28 (D) - Body ground

    C46*2-28 (D) - Body ground

    P - Body ground D shift position signal*3

    Ignition switch ON

    Shift lever in D

    11 to 14 V

    Ignition switch ON

    Shift lever not in D

    Below 1 V

    A38*1-42 (CLSW) - Body ground

    C46*2-28 (CLSW) - Body ground

    B - Body ground Clutch switch signal*4

    Ignition switch ON

    Clutch pedal depressed

    Below 1 V

    Ignition switch ON

    Clutch pedal released

    11 to 14 V

    A38*1-38 (SFTU) - Body ground

    A52*2-38 (SFTU) - Body ground

    V - Body ground Up-shift switch signal*3

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "+"

    Below 1 V

    A38*1-25 (S) - Body ground

    A52*2-25 (S) - Body ground

    W - Body ground S shift position switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever not in S

    Below 1 V

    A38*1-37 (SFTD) - Body ground

    A52*2-37 (SFTD) - Body ground

    L - Body ground Down-shift switch signal

    Ignition switch ON

    Shift lever in S

    11 to 14 V

    Ignition switch ON

    Shift lever in "-"

    Below 1 V

    A38*1-13 (STP) - Body ground

    A52*2-13 (STP) - Body ground

    R - Body ground Stop light signal Brake pedal depressed 7.5 to 14 V
    Brake pedal released 0 to 1.5 V

    A38*1-35 (ST1-) - Body ground

    A52*2-35 (ST1-) - Body ground

    P - Body ground Stop light signal (opposite to STP terminal)

    Ignition switch ON

    Brake pedal depressed

    0 to 1.5 V

    Ignition switch ON

    Brake pedal released

    7.5 to 14 V

    A38*1-40 (CCS) - Body ground

    A52*2-40 (CCS) - Body ground

    L - Body ground Cruise control main switch signal

    Ignition switch ON

    Main switch off

    1 MΩ or higher

    Ignition switch ON

    CANCEL switch held on

    1510 to 1570 Ω

    Ignition switch ON

    -SET switch hed on

    620 to 640 Ω

    Ignition switch ON

    +RES switch held on

    235 to 245 Ω

    Ignition switch ON

    Main switch on

    Below 2.5 Ω

    • *1: for LHD

    • *2: for RHD

    • *3: for Automatic Transmission

    • *4: for Manual Transmission