Wiper And Washer System Data List / Active Test

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Wiper And Washer. Lexus Gs430, Gs300. Uzs190 Grs190

  1. READ DATA LIST

  1. PERFORM ACTIVE TEST

Wiper And Washer 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.

    Cowl side junction block ECU LH:
    Item
    		Measurement Item / Display (Range)
    		Normal Condition
    		Diagnostic Note
    WIPER Switch (2S)
    		Wiper switch HI / ON or OFF
    		ON: Wiper switch in HI position
    OFF: Wiper switch not in HI position
    		-
    MPX-IG Switch
    		MPX-IG switch / ON or OFF
    		ON: Engine switch on (IG)
    OFF: Engine switch off
    		-
    WIP Switch
    		WIP switch / ON or OFF
    		ON: Engine switch on (IG) (Power source of wiper system ON)
    OFF: Engine switch off (Power source of wiper system OFF)
    		-
    SPEED MODE
    		Speed mode / NOT AVL or AVAIL
    		Customized value can be displayed
    		-
    AUTO WIPER
    		Auto wiper / NOT AVL or AVAIL
    		Customized value can be displayed
    		-
    REWIPE CONTROL
    		Rewipe control / OFF or 3S or SPD
    		Customized value can be displayed
    		-


Front controller:
Item
Measurement Item / Display (Range)
Normal Condition
Diagnostic Note
WASHER LVL Switch
Washer fluid level warning switch / ON or OFF
ON: Washer fluid is empty
OFF: Washer fluid is full
-

Combination switch ECU (Windshield wiper switch):
Item
Measurement Item / Display (Range)
Normal Condition
Diagnostic Note
F WASHER Switch
Front washer switch / ON or OFF
ON: Front washer switch ON
OFF: Front washer switch OFF
-
F WIPER MIST Switch
Front wiper MIST switch / ON or OFF
ON: Front wiper switch in MIST position
OFF: Wiper switch not in MIST position
-
F WIPER AUTO Switch
Front wiper AUTO switch / ON or OFF
ON: Front wiper switch in AUTO position
OFF: Wiper switch not in AUTO position
-
F WIPER HI Switch
Front wiper HI switch / ON or OFF
ON: Front wiper switch in HI position
OFF: Wiper switch not in HI position
-
F WIPER LO Switch
Front wiper LO switch / ON or OFF
ON: Front wiper switch in LO position
OFF: Wiper switch not in LO position
-
F WIPER INT Switch
Front wiper INT switch / ON or OFF
ON: Front wiper switch in INT position
OFF: Wiper switch not in INT position
-
IG Switch SIG
Engine switch signal / ON or OFF
ON: Engine switch on (IG)
OFF: Engine switch off
-

Item
Front Wiper Volume Position
Item explanation
Wiper volume position
FR wiper volume "+" position
0 degrees
Switch is turned one notch towards the "-" side from the FR wiper volume "+" position
27 degrees
Switch is turned one notch towards the "+" side from the FR wiper volume "-" position
63 degrees
FR wiper volume "-" position
90 degrees
Inspection area when malfunction occurs
Windshield wiper switch (Front wiper volume)

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.

    Cowl side junction block ECU LH:
    Item
    		Test Details
    		Diagnostic Note
    WIPER MOT (HI)
    		Wiper motor HI operation ON / OFF
    		-
    WIPER MOT (LO)
    		Wiper motor LO operation ON / OFF
    		-


Front controller:
Item
Test Details
Diagnostic Note
WASHER MOTOR
Washer motor operation ON / OFF
-