LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Cruise Control System >> Data List / Active Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Data List / Active Test

  1. DATA LIST 

    HINT:

    Using the intelligent tester's DATA LIST allows switch, sensor, 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 intelligent tester to the DLC3.
    2. Turn the ignition switch on.
    3. Read the DATA LIST according to the display on the tester.

    CCS: 

    TESTER DISPLAY DIAGNOSTIC CHART

    Tester Display Measurement Item/Range Normal Condition Diagnostic Note
    VEHICLE SPD Vehicle speed / min.: 0 km/h (0 mph), max.: 255 km/h (158 mph) Actual vehicle speed -
    MEMORY SPD Cruise control memorized speed / min.: 1 km/h (0.6 mph), max.: 255 km/h (158 mph) Actual stored vehicle speed -
    THROTTLE Required throttle opening angle / min.: 0°, max.: 125° Actual required throttle opening -
    CRUISE CONTROL Cruise control system active condition / ON or OFF ON: Cruise control activated OFF: Cruise control inactivated -
    MAIN SW (MAIN) Main switch signal (Main CPU) / ON or OFF ON: Main switch ON (Pushed on)
    OFF: Main switch OFF (Pushed off)    		 "3"
    CCS READY M Cruise control system standby condition (Main CPU) / ON or OFF Each time main switch is pushed, ON is displayed and then OFF is displayed "1"
    CCS INDICATOR M Cruise indicator signal (Main CPU)/ON or OFF ON: "CCS READY" ON
    OFF: "CCS READY" OFF    		 "2"
    CANCEL SW CANCEL switch signal / ON or OFF ON: CANCEL switch ON
    OFF: CANCEL switch OFF    		 -
    SET/COAST SW -/SET switch signal / ON or OFF ON: -/SET switch ON
    OFF: -/SET switch OFF    		 -
    RES/ACC SW +/RES switch signal / ON or OFF ON: +/RES switch ON
    OFF: +/RES switch OFF    		 -
    STP LIGHT SW M Stop light switch signal (Main CPU) / ON or OFF ON: Brake pedal depressed
    OFF: Brake pedal released    		 -
    SHIFT D POS PNP switch signal (D position) / ON or OFF ON: Shift lever on D
    OFF: Shift lever not on D    		 -
    VEHICLE SPD CHG Vehicle speed change / ON or OFF ON: Change
    OFF: Not change    		 -

    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 but cruise indicator not turn on → CRUISE MAIN indicator or wire harness or hybrid vehicle control ECU failure.
  2. ACTIVE TEST 

    HINT:

    Performing the ACTIVE TEST using the intelligent tester allows components such as the relay, VSV, and actuator to operate without parts removal. Performing the ACTIVE TEST as the first step of troubleshooting is one way to shorten labor time. It is possible to display the DATA LIST during the ACTIVE TEST.

    1. Connect the intelligent tester to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. According to the display on the tester, perform the "ACTIVE TEST".

      HINT:

      The ignition switch must be turned to the ON position to proceed Active Test using an intelligent tester.

    METER: 

    TESTER DISPLAY DIAGNOSTIC CHART

    Tester Display Test Part Control Range Diagnostic Note
    CRUISE INDIC CRUISE indicator light Indicator light is ON / OFF -
scientia non olet · About LEMON Manuals