Scan Tool Testing and Procedures

DIFFERENTIAL: ACTIVE TORQUE CONTROL 4WD SYSTEM: DATA LIST / ACTIVE TEST

DATA LIST / ACTIVE TEST

1. READ DATA LIST
HINT: Using the Techstream Data List allows switch, sensor 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 ignition switch ON.
(c) Read the Data List according to the display on the tester.

4WD control ECU





2. PERFORM ACTIVE TEST
HINT: Performing the Techstream Active Test allows switch 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 ignition switch ON.
(c) Perform the Active Test according to the display on the tester.

Combination Meter