Cruise Control System Data List / Active Test

Cruise Control System. Lexus Is250, Is220D. Gse20 Ale20
Cruise Control. Lexus Is250, Is220D. Gse20 Ale20

  1. READ DATA LIST

  1. PERFORM ACTIVE TEST

Cruise Control System -- Data List / Active Test



READ 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 engine switch on (IG).

  3. Read the DATA LIST according to the display on the tester.

    ECM (Cruise control):
    Item
    		Measurement Item / Display (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.: 36 km/h (22.5 mph), max.: 200 km/h (125 mph)
    		Actual stored vehicle speed
    		-
    Rqst Torqur
    		Cruise request torque / min.: -1,024 Nm, max.: 1,016 Nm
    		-
    		-
    Cruise Control
    		Cruise control system active condition / ON or OFF
    		ON: Cruise control activated
    OFF: Cruise control deactivated
    		-
    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 Indicator M
    		Cruise indicator signal (Main CPU) / ON or OFF
    		ON: "CRUISE" on
    OFF: "CRUISE" off
    		"2"
    Cancel SW
    		CANCEL switch signal / ON or OFF
    		ON: CANCEL switch on
    OFF: CANCEL switch off
    		-
    SET/COAST SW
    		SET / COAST switch signal / ON or OFF
    		ON: SET / COAST switch on
    OFF: SET / COAST switch off
    		-
    RES/ACC SW
    		RES / ACC switch signal / ON or OFF
    		ON: RES / ACC switch on
    OFF: RES / ACC 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 in D
    OFF: Shift lever not in D
    		-
    Clutch switch signal / ON or OFF
    		ON: Clutch pedal released
    OFF: Clutch pedal depressed
    		-

    HINT:
    1. "3" is OK but "1" is NG → ECM failure
    2. "1" is OK but "2" is NG → DTC output or ECM failure
    3. "3" is OK but CRUISE main indicator light does not illuminate → CRUISE main indicator light, wire harness, or ECM failure

PERFORM ACTIVE TEST
HINT:
Performing the intelligent tester's ACTIVE TEST allows relays, VSVs, actuators, and other items to be operated without removing any parts. Performing the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.

  1. Connect the intelligent tester to the DLC3.

  2. Turn the engine switch on (IG).

  3. Perform the ACTIVE TEST according to the display on the tester.

    HINT:
    The engine switch must be turned on (IG) to proceed ACTIVE TEST using the intelligent tester.

    Combination meter:
    Item
    		Vehicle Condition / Test Details
    		Diagnostic Note
    CRUISE INDIC
    		Turns CRUISE main indicator light ON / OFF
    		-