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Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting >> Lighting System >> Data List / Active Test

Data List / Active Test

  1. 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 (with CAN VIM) to the DLC3.
    2. Turn the ignition switch ON.
    3. Read the DATA LIST according to the display on the tester.

    Body ECU (main) 

    DATA LIST / ACTIVE TEST

    Item Measurement Item/Display (Range) Normal Condition Diagnostic Note
    D DOR CTY SW Driver's door courtesy SW signal ON: Driver's door is open
    OFF: Driver's door is closed
    -
    P DOR CTY SW Passenger's door courtesy SW signal ON: Passenger's door is open
    OFF: Passenger's door is closed
    -
    Rr DOR CTY SW Rear door courtesy SW signal ON: Either right or left ear door is open
    OFF: Both the right and left doors are closed
    -
    DIMMER SW Dimmer SW signal ON: Dimmer SW is on (High Beam) or High flasher SW is on OFF: Dimmer SW is OFF (Low Beam) or High flasher SW is off -
    HIGH FLASHER SW High flasher SW signal ON: High flasher SW is on OFF: High flasher SW is off -
    AUTO LIGHT SW Auto light SW signal ON: Light control SW is Auto position
    OFF: Light control SW is in except Auto position
    -
    HEAD LIGHT SW Head light SW signal ON: Light control SW is in HEAD position
    OFF: Light control SW is in except HEAD position
    -
    TAIL LIGHT SW Taillight SW signal/ON ON: Light control SW is in TAIL or HEAD position
    OFF: Light control SW is in OFF or AUTO position
    -
    TAIL CANCEL SW Tail cancel switch ON: Tail cancel switch is ON position
    OFF: Tail cancel switch is OFF position
    -
    DRL FUNCTION DRL function ON: DRL is ON position
    OFF: DRL is OFF position
    -
    ILLUMINATE RATE Illumination rate information - -
    LIGHTING TIME Lighting time 7.5 s./15 s./30 s. -
    ILLUMI SYSTEM Operation of illumination system ON: Illumination is ON position
    OFF: Illumination is OFF position
    -
    LIGHT CONTROL Light control condition of illumination system ON: Illumination system is ON
    OFF: Illumination system is OFF
    -
    I/L ON/ACC OFF Light the I/L when ACC OFF ON: Light the I/L when ACC OFF is ON position
    OFF: Light the I/L when ACC
    OFF is OFF position
    -
    I/L ON/UNLOCK Interior light ON w/unlock ON: Interior light ON w/unlock is ON position
    OFF: Interior light ON w/unlock is OFF position
    -
    RESPONSE TIME Response time 0.1 s./1.0 s. -
  2. PERFORM ACTIVE TEST 

    HINT:

    Performing the intelligent tester's Active Test allows relay, VSV, actuator and other item values 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 (with CAN VIM) to the DLC3.
    2. Turn the ignition switch ON.
    3. Perform the ACTIVE TEST according to the display on the tester.

    Body ECU (main) 

    ACTIVE TEST

    Item Test Details Diagnostic Note
    HAZARD Turns Hazard light flasher relay ON/OFF -
    HEAD LIGHT Turns Head light relay ON/OFF -
      HEAD LIGHT (HI)
    Turns Head light relay ON/OFF
    -
      TAIL LIGHT
    Turns Tail light relay ON/OFF
    -
    DRL RLY (Test Details) Turns DRL relay ON/OFF
    (Vehicle Condition)
    IG SW is ON, Engine is stopped and Light
    control SW is in OFF position.
    -
    DIMMER SIG Turns auto dimmer ON/OFF -
    ILLUMI OUTPUT (Test Details) Turns Interior light and key illumination ON/OFF (Vehicle Condition) Interior light SW is in Door position -
    OPN DOR WRN LGT Open door warning light ON/OFF -
    R ROOM LIGHT Rear room light ON/OFF -
    DOOM RLY CUT Doom light ON/OFF -

    Sub body ECU 

    SUB BODY ECU REFERENCE

    Item Test Details Diagnostic Note
    CONSOLE LIGHT Center console light ON/OFF -
    STEP LIGHT Side step light and outer foot light ON/OFF IG = NO key and all doors are locked
    SCUFF PLATE LEG Foot light and inside door handle illumination ON/OFF -