DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU

  1. CHECK ECM (for 2AR-FE)

    1. Disconnect the A62 and B77 ECM connectors.

      C228683E04

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      A62-11 (STP) - B77-16 (E1)

      L - BR

      Stop light signal

      Brake pedal depressed

      7.5 to 14 V

      A62-11 (STP) - B77-16 (E1)

      L - BR

      Stop light signal

      Brake pedal released

      Below 1.5 V

      A62-40 (CCS) - B77-16 (E1)

      L - BR

      Cruise control switch circuit

      Cruise control switch off

      1 MΩ or higher

      A62-40 (CCS) - B77-16 (E1)

      L - BR

      Cruise control switch circuit

      Cruise control switch on

      Below 2.5 Ω

      A62-40 (CCS) - B77-16 (E1)

      L - BR

      Cruise control switch circuit

      +RES switch on

      235 to 245 Ω

      A62-40 (CCS) - B77-16 (E1)

      L - BR

      Cruise control switch circuit

      -SET switch on

      617 to 643 Ω

      A62-40 (CCS) - B77-16 (E1)

      L - BR

      Cruise control switch circuit

      CANCEL switch on

      1509 to 1571 Ω

      A62-24 (ST1-) - B77-16 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal depressed

      Below 1.5 V

      A62-24 (ST1-) - B77-16 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal released

      7.5 to 14 V

      B77-67 (D) - B77-16 (E1)*1

      B - BR

      D shift position signal

      Ignition switch ON, shift lever in D

      11 to 14 V

      B77-67 (D) - B77-16 (E1)*1

      B - BR

      D shift position signal

      Ignition switch ON, shift lever is not in D

      Below 1 V

      B77-67 (D) - B77-16 (E1)*2

      L - BR

      Clutch switch signal

      Ignition switch ON, clutch pedal depressed

      11 to 14 V

      B77-67 (D) - B77-16 (E1)*2

      L - BR

      Clutch switch signal

      Ignition switch ON, clutch pedal released

      Below 1 V

      A62-43 (SFTD) - B77-16 (E1)*1

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in S

      11 to 14 V

      Ignition switch ON and shift lever in "-" (downshift)

      Below 1 V

      A62-42 (SFTU) - B77-16 (E1)*1

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in S

      11 to 14 V

      Ignition switch ON and shift lever in "+" (upshift)

      Below 1 V

      *1: for Automatic Transaxle

      *2: for Manual Transaxle

  2. CHECK ECM (for 3ZR-FE (K111))

    1. Disconnect the A62 and B75 ECM connectors.

      C228683E03

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      A62-9 (STP) - B75-16 (E1)

      L - BR

      Stop light signal

      Brake pedal depressed

      7.5 to 14 V

      A62-9 (STP) - B75-16 (E1)

      L - BR

      Stop light signal

      Brake pedal released

      Below 1.5 V

      A62-60 (CCS) - B75-16 (E1)

      L - BR

      Cruise control switch circuit

      Cruise control switch off

      1 MΩ or higher

      A62-60 (CCS) - B75-16 (E1)

      L - BR

      Cruise control switch circuit

      Cruise control switch on

      Below 2.5 Ω

      A62-60 (CCS) - B75-16 (E1)

      L - BR

      Cruise control switch circuit

      +RES switch on

      235 to 245 Ω

      A62-60 (CCS) - B75-16 (E1)

      L - BR

      Cruise control switch circuit

      -SET switch on

      617 to 643 Ω

      A62-60 (CCS) - B75-16 (E1)

      L - BR

      Cruise control switch circuit

      CANCEL switch on

      1509 to 1571 Ω

      A62-10 (ST1-) - B75-16 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal depressed

      Below 1.5 V

      A62-10 (ST1-) - B75-16 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal released

      7.5 to 14 V

      B75-81 (D) - B75-16 (E1)

      B - BR

      D shift position signal

      Ignition switch ON, shift lever in D

      11 to 14 V

      B75-81 (D) - B75-16 (E1)

      B - BR

      D shift position signal

      Ignition switch ON, shift lever is not in D

      Below 1 V

      A62-43 (SFTD) - B75-16 (E1)

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in M

      11 to 14 V

      A62-43 (SFTD) - B75-16 (E1)

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in "-" (downshift)

      Below 1 V

      A62-42 (SFTU) - B75-16 (E1)

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in M

      11 to 14 V

      A62-42 (SFTU) - B75-16 (E1)

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in "+" (upshift)

      Below 1 V

  3. CHECK ECM (for 3ZR-FAE, 3ZR-FE (except K111))

    1. Disconnect the A62 and B93 ECM connectors.

      C228683E12

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      A62-9 (STP) - B93-16 (E1)

      L - BR

      Stop light signal

      Brake pedal depressed

      7.5 to 14 V

      A62-9 (STP) - B93-16 (E1)

      L - BR

      Stop light signal

      Brake pedal released

      Below 1.5 V

      A62-36 (CCS) - A62-35 (ECCS)

      L - BR

      Cruise control switch circuit

      Cruise control switch off

      1 MΩ or higher

      A62-36 (CCS) - A62-35 (ECCS)

      L - BR

      Cruise control switch circuit

      Cruise control switch on

      Below 2.5 Ω

      A62-36 (CCS) - A62-35 (ECCS)

      L - BR

      Cruise control switch circuit

      +RES switch on

      235 to 245 Ω

      A62-36 (CCS) - A62-35 (ECCS)

      L - BR

      Cruise control switch circuit

      -SET switch on

      617 to 643 Ω

      A62-36 (CCS) - A62-35 (ECCS)

      L - BR

      Cruise control switch circuit

      CANCEL switch on

      1509 to 1571 Ω

      A62-10 (ST1-) - B93-16 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal depressed

      Below 1.5 V

      A62-10 (ST1-) - B93-16 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal released

      7.5 to 14 V

      B93-65 (D) - B93-16 (E1)*1

      B - BR

      D shift position signal

      Ignition switch ON, shift lever in D

      11 to 14 V

      B93-65 (D) - B93-16 (E1)*1

      B - BR

      D shift position signal

      Ignition switch ON, shift lever is not in D

      Below 1 V

      B93-65 (D) - B93-16 (E1)*2

      L - BR

      Clutch switch signal

      Ignition switch ON, clutch pedal depressed

      11 to 14 V

      B93-65 (D) - B93-16 (E1)*2

      L - BR

      Clutch switch signal

      Ignition switch ON, clutch pedal released

      Below 1 V

      A62-43 (SFTD) - B93-16 (E1)*1

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in M

      11 to 14 V

      A62-43 (SFTD) - B93-16 (E1)*1, *3

      Y - BR

      Downshift switch signal

      Ignition switch ON and "-" shift paddle operated and held (downshift)

      Below 1 V

      A62-43 (SFTD) - B93-16 (E1)*1

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in "-" (downshift)

      Below 1 V

      A62-42 (SFTU) - B93-16 (E1)*1

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in M

      11 to 14 V

      A62-42 (SFTU) - B93-16 (E1)*1, *3

      LG - BR

      Upshift switch signal

      Ignition switch ON and "+" shift paddle operated and held (upshift)

      Below 1 V

      A62-42 (SFTU) - B93-16 (E1)*1

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in "+" (upshift)

      Below 1 V

      *1: for CVT

      *2: for Manual Transaxle

      *3: w/ Shift Paddle Switch

  4. CHECK ECM (for 2AD-FHV, 2AD-FTV)

    1. Disconnect the A61 and B76 ECM connectors.

      C159489E29

    2. Measure the resistance and voltage according tothe value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      A61-35 (STP) - B76-109 (E1)

      L - BR

      Stop light signal

      Brake pedal depressed

      7.5 to 14 V

      A61-35 (STP) - B76-109 (E1)

      L - BR

      Stop light signal

      Brake pedal released

      0 to 1.5 V

      A61-23 (CCS) - B76-109 (E1)

      L - BR

      Cruise control switch circuit

      Cruise control switch off

      1 MΩ or higher

      A61-23 (CCS) - B76-109 (E1)

      L - BR

      Cruise control switch circuit

      Cruise control switch on

      Below 2.5 Ω

      A61-23 (CCS) - B76-109 (E1)

      L - BR

      Cruise control switch circuit

      +RES switch on

      235 to 245 Ω

      A61-23 (CCS) - B76-109 (E1)

      L - BR

      Cruise control switch circuit

      -SET switch on

      617 to 643 Ω

      A61-23 (CCS) - B76-109 (E1)

      L - BR

      Cruise control switch circuit

      CANCEL switch on

      1509 to 1571 Ω

      A61-34 (ST1-) - B76-109 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal depressed

      0 to 1.5 V

      A61-34 (ST1-) - B76-109 (E1)

      GR - BR

      Stop light signal

      Ignition switch ON, brake pedal released

      7.5 to 14 V

      B76-73 (D) - B76-109 (E1)*1

      B - BR

      D shift position signal

      Ignition switch ON, shift lever in D

      11 to 14 V

      B76-73 (D) - B76-109 (E1)*1

      B - BR

      D shift position signal

      Ignition switch ON, shift lever is not in D

      Below 1 V

      B76-73 (D) - B76-109 (E1)*2

      L - BR

      Clutch switch signal

      Ignition switch ON, clutch pedal depressed

      11 to 14 V

      B76-73 (D) - B76-109 (E1)*2

      L - BR

      Clutch switch signal

      Ignition switch ON, clutch pedal released

      Below 1 V

      A61-28 (SFTD) - B76-109 (E1)*1

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in M

      11 to 14 V

      A61-28 (SFTD) - B76-109 (E1)*1

      Y - BR

      Downshift switch signal

      Ignition switch ON and shift lever in "-" (downshift)

      Below 1 V

      B76-61 (SFTU) - B76-109 (E1)*1

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in M

      11 to 14 V

      B76-61 (SFTU) - B76-109 (E1)*1

      LG - BR

      Upshift switch signal

      Ignition switch ON and shift lever in "+" (upshift)

      Below 1 V

      *1: for Automatic Transaxle

      *2: for Manual Transaxle

  5. CHECK ECM (for 2WW)

    1. Disconnect the A62 and B112 ECM connectors.

      A318632E03

    2. Measure the resistance and voltage according tothe value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      A62-48 (STP) - A62-4 (E1)

      L - W-B

      Stop light signal

      Brake pedal depressed

      7.5 to 14 V

      A62-48 (STP) - A62-4 (E1)

      L - W-B

      Stop light signal

      Brake pedal released

      0 to 1.5 V

      A62-41 (CCS) - A62-42 (ECCS)

      L - BR

      Cruise control switch circuit

      Cruise control switch off

      1 MΩ or higher

      A62-41 (CCS) - A62-42 (ECCS)

      L - BR

      Cruise control switch circuit

      Cruise control switch on

      Below 2.5 Ω

      A62-41 (CCS) - A62-42 (ECCS)

      L - BR

      Cruise control switch circuit

      +RES switch on

      235 to 245 Ω

      A62-41 (CCS) - A62-42 (ECCS)

      L - BR

      Cruise control switch circuit

      -SET switch on

      617 to 643 Ω

      A62-41 (CCS) - A62-42 (ECCS)

      L - BR

      Cruise control switch circuit

      CANCEL switch on

      1509 to 1571 Ω

      A62-10 (ST1-) - A62-4 (E1)

      GR - W-B

      Stop light signal

      Ignition switch ON, brake pedal depressed

      0 to 1.5 V

      A62-10 (ST1-) - A62-4 (E1)

      GR - W-B

      Stop light signal

      Ignition switch ON, brake pedal released

      7.5 to 14 V

      A62-7 (D) - A62-4 (E1)

      L - W-B

      Clutch switch signal

      Ignition switch ON, clutch pedal depressed

      11 to 14 V

      A62-7 (D) - A62-4 (E1)

      L - W-B

      Clutch switch signal

      Ignition switch ON, clutch pedal released

      Below 1 V

  6. CHECK DRIVING SUPPORT ECU ASSEMBLY

    E321781E15

    Terminal No. (Symbol)

    Wiring Color

    Terminal Description

    Condition

    Specified Condition

    G168-3 (BZ) - G168-28 (GND)

    LG - BR

    Skid control buzzer output

    Ignition switch ON, buzzer not sounding

    11 to 14 V

    G168-7 (B) - G168-28 (GND)

    B*1 - BR

    V*2 - BR

    Power source

    Ignition switch ON

    11 to 14 V

    G168-8 (CA1P) - G168-28 (GND)

    B - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 1)

    G168-9 (CA1N) - G168-28 (GND)

    W - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 2)

    G168-10 (CA2H) - G168-28 (GND)

    P - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 1)

    G168-11 (CA2L) - G168-28 (GND)

    LG - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 2)

    G168-23 (SPSW) - G168-28 (GND)

    B - BR

    Steering pad switch signal (Distance control switch signal)

    Ignition switch ON, Distance control switch on

    Below 1 Ω

    G168-23 (SPSW) - G168-28 (GND)

    B - BR

    Steering pad switch signal (Distance control switch signal)

    Ignition switch ON, Distance control switch off

    4.75 to 5.25 V

    G168-28 (GND) - Body ground

    BR - Body ground

    Ground

    Always

    Below 1 Ω

    • *1: w/o Stop and Start System

    • *2: w/ Stop and Start System

    1. A292386E03

      Waveform 1

      1. CAN communication signal

        Item

        Content

        Terminal Name

        Between G168-8 (CA1P) and G168-28 (GND)

        Between G168-10 (CA2H) and G168-28 (GND)

        Tester Range

        1 V/DIV., 10 μsec./DIV.

        Condition

        Ignition switch ON
        Tip:

        The waveform varies depending on the CAN communication signal.

    2. A292387E07

      Waveform 2

      1. CAN communication signal

        Item

        Content

        Terminal Name

        Between G168-9 (CA1N) and G168-28 (GND)

        Between G168-11 (CA2L) and G168-28 (GND)

        Tester Range

        1 V/DIV., 10 μsec./DIV.

        Condition

        Ignition switch ON
        Tip:

        The waveform varies depending on the CAN communication signal.

  7. CHECK MILLIMETER WAVE RADAR SENSOR

    E321782E12

    Terminal No. (Symbol)

    Wiring Color

    Terminal Description

    Condition

    Specified Condition

    Z6-1 (SGND) - Body ground

    BR - Body ground

    Ground

    Always

    Below 1 Ω

    Z6-2 (CA2L) - Z6-1 (SGND)

    LG - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 2)

    Z6-3 (CA2H) - Z6-1 (SGND)

    B - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 1)

    Z6-5 (CA1P) - Z6-1 (SGND)

    SB - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 1)

    Z6-6 (CA1N) - Z6-1 (SGND)

    W - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (See waveform 2)

    Z6-8 (IGB) - Z6-1 (SGND)

    L - BR

    Power source

    Ignition switch ON

    11 to 14 V
    1. A292386E03

      Waveform 1

      1. CAN communication signal

        Item

        Content

        Terminal Name

        Between Z6-3 (CA2H) and Z6-1 (SGND)

        Between Z6-5 (CA1P) and Z6-1 (SGND)

        Tester Range

        1 V/DIV., 10 μsec./DIV.

        Condition

        Ignition switch ON
        Tip:

        The waveform varies depending on the CAN communication signal.

    2. A292387E07

      Waveform 2

      1. CAN communication signal

        Item

        Content

        Terminal Name

        Between Z6-2 (CA2L) and Z6-1 (SGND)

        Between Z6-6 (CA1N) and Z6-1 (SGND)

        Tester Range

        1 V/DIV., 10 μsec./DIV.

        Condition

        Ignition switch ON
        Tip:

        The waveform varies depending on the CAN communication signal.