LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Prius Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System >> Data List / Active Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Data List / Active Test

  1. READ DATA LIST 

    HINT:

    Using the Techstream's DATA LIST allows switch, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

    1. Connect the Techstream to the DLC3.
    2. Turn the power switch ON (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Cruise Control / Trouble Codes.

    Hybrid vehicle control system 

    DIAGNOSTIC CHART (16 TO 17)

    Tester Display Measurement Item / Range Normal Condition Diagnostic Note
    CCS Vehicle Spd Cruise control vehicle speed/ min.: 0 km/h (0 mph), max.: 255km/h (158 mph) Actual vehicle speed -
    CCS Mem Vehicle Spd Cruise control memorized speed/ min.: 1 km/h (0.6 mph), max.: 200 km/h (125 mph) Actual vehicle speed -
    Stop Light Switch M-CPU Stop light switch signal (Main CPU) / ON or OFF ON: Brake pedal depressed
    OFF: Brake pedal released
    -
    Throttle Opening Angle Request opening angle/ min.: 0 degrees, max.: 125 degrees Actual demanded throttle angle -
    Cruise Control Cruise control system active condition/ON or OFF ON: Cruise control system activated
    OFF: Cruise control system deactivated
    -
    Main Switch M-CPU CRUISE main switch signal (Main CPU)/ON or OFF ON: Cruise control main switch on
    OFF: Cruise control main switch off
    "3"
    CCS Ready M-CPU Cruise control system standby condition (Main CPU)/ON or OFF ON <--> OFF: Switching each time ON-OFF button is pushed "1"
    CCS Indicator M-CPU Cruise indicator signal (Main CPU)/ON or OFF ON: "CRUISE" on
    OFF: "CRUISE" off
    "2"
    Cancel Switch CANCEL switch signal/ON or OFF ON: CANCEL switch on
    OFF: CANCEL switch off
    -
    Set/Coast Switch SET/COAST switch signal / ON or OFF ON: - SET switch on
    OFF: - SET switch off
    -
    RES/ACC Switch RES/ACC switch signal / ON or OFF ON: + RES switch on
    OFF: + RES switch off
    -
    Cruise Operation Status Cruise control condition / ON or OFF ON: Cruise control operating
    OFF: Cruise control not operating
    -
    Vehicle Spd Change Vehicle speed sudden change / ON or OFF ON: Sudden change in vehicle speed
    OFF: No change in vehicle speed
    -
    # Codes Number of DTC recorded / 0 to 255 Number of DTCs displayed -

    HINT:

    "3" is OK but "1" is NG --> Hybrid vehicle control ECU failure

    "1" is OK but "2" is NG --> DTC output or hybrid vehicle control ECU failure

    "3" is OK but the CRUISE main indicator light does not turn on --> CRUISE main indicator light, wire harness, or hybrid vehicle control ECU failure