Lighting System Data List / Active Test

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Lighting. Lexus Is250, Is220D. Gse20 Ale20

  1. READ DATA LIST

  1. PERFORM ACTIVE TEST

Lighting System -- Data List / Active Test



READ DATA LIST
HINT:
Using the intelligent tester 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 intelligent tester to the DLC3.

  2. Turn the engine switch on (IG).

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

    Combination Switch (Combination Switch ECU):
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    Rear Fog Light Switch
    		Rear fog light switch signal / ON or OFF
    		ON: Rear fog light switch is in ON position
    OFF: Rear fog light switch is not in ON position
    		-
    Front Fog Light Switch
    		Front fog light switch signal / ON or OFF
    		ON: Front fog light switch is in ON position
    OFF: Front fog light switch is not in ON position
    		-
    Passing Light Switch
    		Passing light switch signal / ON or OFF
    		ON: Headlight dimmer switch is in FLASH position
    OFF: Headlight dimmer switch is not in FLASH position
    		-
    Dimmer Hi Switch
    		High beam switch signal / ON or OFF
    		ON: Headlight dimmer switch is in HI position
    OFF: Headlight dimmer switch is not in HI position
    		-
    Light Auto Switch
    		Auto light switch signal / ON or OFF
    		ON: Light control switch is in AUTO position
    OFF: Light control switch is not in AUTO position
    		-
    Head Light Switch
    		Headlight control switch signal / ON or OFF
    		ON: Light control switch is in HEAD position
    OFF: Light control switch is not in HEAD position
    		-
    Tail Light Switch
    		Taillight switch signal / ON or OFF
    		ON: Light control switch is in TAIL or HEAD position
    OFF: Light control switch is off
    		-
    Turn Left Switch
    		Turn signal switch LH signal / ON or OFF
    		ON: Light control switch is in LH position
    OFF: Light control switch is not in LH position
    		-
    Turn Right Switch
    		Turn signal switch RH signal / ON or OFF
    		ON: Light control switch is in RH position
    OFF: Light control switch is not in RH position
    		-
    Ignition Switch Signal
    		Engine switch signal / ON or OFF
    		ON: Engine switch on (IG)
    OFF: Engine switch off
    		-

    Body (Main Body ECU RH):
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    ACC SW
    		Engine switch / ON (ACC) or OFF
    		ON: Engine switch on (ACC or IG)
    OFF: Engine switch off
    		-
    IG SW
    		Engine switch / ON (IG) or OFF
    		ON: Engine switch on (IG)
    OFF: Engine switch off
    		-
    Luggage Courtesy SW
    		Luggage door courtesy SW / ON or OFF
    		ON: Luggage door is open
    OFF: Luggage door is closed

    D Door Courtesy SW
    		Driver side courtesy SW / ON or OFF
    		ON: Driver side door is open
    OFF: Driver side door is closed
    		-
    P Door Courtesy SW
    		Passenger side courtesy SW / ON or OFF
    		ON: Passenger side door is open
    OFF: Passenger side door is closed
    		-
    Rear Door Courtesy SW
    		Rear (LH or RH) courtesy SW / ON or OFF
    		ON: Rear door (LH or RH) is open
    OFF: Rear door (LH or RH) is closed
    		-
    Head Light SW (Head)
    		Headlight control switch / ON or OFF
    		ON: Light control switch is in HEAD position
    OFF: Light control switch is not in HEAD position
    		-
    Illumination Rate Info
    		Illumination information / 0 to 99.99 ms
    		0.8 to 22 ms
    		-
    Illumination SW
    		Front interior light switch (marked ON / OFF) signal / ON or OFF
    		ON: Front interior light switch (marked ON / OFF) is pushed in
    OFF: Front interior light switch (marked ON / OFF) is not pushed in
    		-

    Body No. 3 (Main Body ECU LH):
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    Back-up Light Switch
    		Back-up light switch signal / ON or OFF
    		ON: Shift lever is in reverse position
    OFF: Shift lever is not in reverse position
    		Displayed for M/T vehicles only
    Interior Light
    		Front interior light switch (marked DOOR) signal / ON or OFF
    		ON: Front interior light switch (marked DOOR) is pushed in
    OFF: Front interior light switch (marked DOOR) is not pushed in
    		-
    Exterior Foot Light Lighting Time
    		Door mirror foot light lighting time /30 sec., 15 sec. or 7.5 sec.
    		Customized value will be displayed
    		-
    Shift Light Control
    		Shift illumination control / AVAIL or NOT AVL
    		Customized value will be displayed
    		-
    Exterior Foot Light Control
    		Door mirror foot light control AVAIL or NOT AVL
    		Customized value will be displayed
    		-
    IG SW
    		Engine switch / ON or OFF
    		ON: Engine switch on (IG)
    OFF: Engine switch off
    		-

    AFS (AFS ECU):
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    AFS OFF Switch
    		ASF OFF switch / ON or OFF
    		ON: AFS OFF
    OFF: AFS ON
    		-
    Headlamp Signal
    		Headlight signal / ON or OFF
    		ON: Light control switch is in HEAD position
    OFF: Light control switch is not in HEAD
    		-
    Headlamp Combi Switch
    		Light control switch signal / ON or OFF
    		ON: Light control switch is in HEAD position
    OFF: Light control switch is not in HEAD position
    		-
    Headlamp Auto Signal
    		Headlight signal / ON or OFF
    		ON: Automatic light control system is operated (headlight comes on)
    OFF: Automatic light control system is stopped
    		-
    +B
    		Battery voltage value / 0 to 20
    		Condition sign can be displayed
    		-
    Height Sens PW Supply Val
    		Height sensor power supply value / 0 to 5
    		Approx. 5 V
    		-
    Fr Height Sens Signal Val
    		Front height sensor signal value / 0 to 5
    		Approx. 2.5 V
    		-
    Rr Height Sens Signal Val
    		Rear height sensor signal value / 0 to 5
    		Approx. 2.5 V
    		-
    Steering Sens Signal
    		Steering sensor signal / -384° to 382.5°
    		Approx. 0 °
    (When steering wheel is straight)
    		-
    Steering Sens Center Pos
    		Steering sensor center position / -307.2° to 307.5°
    		Condition sign can be displayed
    		-
    L Swivel Motor Pos Sens Val
    		Left swivel motor position sensor value / 0 to 5
    		Condition sign can be displayed
    		-
    R Swivel Motor Pos Sens Val
    		Right swivel motor position sensor value / 0 to 5
    		Condition sign can be displayed
    		-


PERFORM ACTIVE TEST
HINT:
Performing the intelligent tester ACTIVE TEST allows a 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 LDC3.

  2. Turn the engine switch on (IG).

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

    Body (Main Body ECU RH):
    Item
    		Test Details
    		Diagnostic Note
    Hazard
    		Hazard light ON / OFF
    		-
    Headlight Relay
    		Headlight relay ON / OFF
    		-
    Taillight Relay
    		Tail light relay ON / OFF
    		-
    Dimmer Signal
    		Dimmer signal ON / OFF
    		-
    Step Light Operation
    		Footwell light ON / OFF
    		-
    Interior Panel Relay
    		Instrument panel light ON / OFF
    		Models with DRL

    Body No. 3 (Main Body ECU LH):
    Item
    		Test Details
    		Diagnostic Note
    Rear Fog Light
    		Rear fog light operation ON / OFF
    		-
    Turn Lamp RH
    		Turn signal light operation ON / OFF
    		-
    Turn Lamp LH
    		Turn signal light operation ON / OFF
    		-
    Shift Light Operation
    		Shift illumination operation ON / OFF
    		-
    Interior Light Operation
    		Interior lights ON / OFF
    		-
    Interior Light (Dim) Operation
    		Seat illumination ON / OFF
    		-
    Exterior Foot Light Operation
    		Door mirror foot lights ON / OFF
    		-

    Body No. 5 (Front Controller):
    Item
    		Test Details
    		Diagnostic Note
    Light Head (High)
    		Headlight (High) ON / OFF
    		-
    Front Fog Light Relay
    		Front fog light relay ON / OFF
    		-
    Clearance Light Operation
    		Clearance light ON / OFF
    		-

    AFS (AFS ECU):
    Item
    		Test Details
    		Diagnostic Note
    Drive The Leveling Motor
    		Drive the leveling motor UP / OFF
    		-
    Drive The Leveling Motor
    		Drive the leveling motor DOWN / OFF
    		-
    Drive Swivel Motor RH
    		Drive swivel motor RH RIGHT / OFF
    		-
    Drive Swivel Motor LH
    		Drive swivel motor LH LEFT / OFF
    		-
    AFS OFF Indicator
    		AFS OFF indicator ON / OFF
    		-