Cruise Control System Data List / Active Test

Cruise Control System. Lexus Gs430, Gs300. Uzs190 Grs190
Cruise Control. Lexus Gs430, Gs300. Uzs190 Grs190

  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.: 0 km/h (0 mph), max.: 255 km/h (158 mph)
    		Actual stored vehicle speed
    		-
    Rqst Torque
    		Cruise request torque / min.: -1024 N*m (-10442 kgf*cm, -755 ft.*lbf), max.: 1016 N*m (10360 kgf*cm, 749 ft.*lbf)
    		-
    		-
    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 main 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 / 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 on D
    OFF: Shift lever not on D
    		-

    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 relay, VSV, actuator 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 with the Active Test using the intelligent tester.

    Combination meter:
    Item
    		Vehicle Condition / Test Details
    		Diagnostic Note
    Cruise Indic
    		CRUISE main indicator light is ON / OFF
    		-