Scan Tool Testing and Procedures

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: DATA LIST / ACTIVE TEST

1. USING TECHSTREAM

(a) Connect Techstream to the DLC3.

(b) Monitor the ECU data by following the prompts on the tester screen.

HINT
Techstream has a "Snapshot" function which records the monitored data. Refer to Techstream operator's manual for further details.

2. DATA LIST

HINT
Using the Data List displayed on Techstream, the value of the switches, sensors, actuators, etc. can be read without part removal. Reading the Data List as the first step in troubleshooting is one way to shorten the labor time.

(a) Connect Techstream to the DLC3.

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

(c) Read the Data List according to the display on the tester.

Master SW:





Main Body:





3. ACTIVE TEST

HINT
Performing the Active Test using Techstream allows you to operate the relay, VSV, actuator, etc. without parts removal. Performing the Active Test as the first step in troubleshooting is one way to shorten the labor time. It is possible to display the Data List during the Active Test.

(a) Connect Techstream to the DLC3.

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

(c) Perform the Active Test according to the display on the tester.

Main Body: