Data List
DATA LISTHINT: According to the DATA LIST displayed by the LEXUS handheld tester, you can read the value of the switch, the sensor and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
a. Connect the LEXUS hand-held tester to the DLC3.
b. Turn the ignition switch to ON.
c. According to the display on tester, read the "DATA LIST".
HINT:
"3" is OK but "1" is NG -> ECM failure
"1" is OK but "2" is NG -> DTC output or ECM failure
"3" is OK but cruise indicator not turn ON -> Indicator or wire harness or ECM failure