DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK ECM (for 2AR-FE)


    1. Disconnect the A62 and B77 ECM connectors.

      A01V8HJE04

    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.

      A01V8HJE03

    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.

      A01V8HJE12

    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.

      A01VASBE29

    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.

      A01VB0BE03

    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

    A01V81IE15
    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. A01VA2BE03
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      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

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A01V7HIE07
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      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

        Tech Tips

        The waveform varies depending on the CAN communication signal.

  7. CHECK MILLIMETER WAVE RADAR SENSOR

    A01V6X4E12
    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. A01VA2BE03
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      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

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A01V7HIE07
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      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

        Tech Tips

        The waveform varies depending on the CAN communication signal.