Scan Tool Testing and Procedures

WIPER AND WASHER: WIPER AND WASHER SYSTEM: DATA LIST / ACTIVE TEST

1. READ DATA LIST

HINT
Using the Techstream'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.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Read the Data List.

Body No. 3 (Cowl side junction block ECU LH):





Body No. 5 (Front controller):





Combination switch (Windshield wiper switch):





2. PERFORM ACTIVE TEST

HINT
Performing the Techstream 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.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Perform the Active Test.

Body No. 3 (Main Body ECU LH):





Body No. 5 (Front Controller):