Scan Tool Testing and Procedures

DATA LIST / ACTIVE TEST

1. USING INTELLIGENT TESTER
a. Connect the intelligent tester to the DLC3.
b. Monitor the ECU data by following the prompts on the tester screen.

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

2. DATA LIST

HINT: Using the DATA LIST displayed on the intelligent tester, the value of the switch, sensor, actuator, etc. can be read without part removal. Reading the DATA LIST as the first step of troubleshooting is one way to shorten labor time.

a. Connect the intelligent tester to the DLC3.
b. Turn the engine switch on (IG).
c. Read the DATA LIST according to the display on the tester.











3. ACTIVE TEST

HINT: Performing the ACTIVE TEST using the intelligent tester allows the relay, VSV, actuator, etc. to be operated without part removal. Performing the ACTIVE TEST as the first step of troubleshooting is one way to shorten labor time. It is possible to display the DATA LIST during the ACTIVE TEST.

a. Connect the intelligent tester to the DLC3.
b. Turn the engine switch on (IG).
c. Perform the ACTIVE TEST according to the display on the tester.