Displaying & Reading Trouble Codes

NOTE: This is the only information provided by the manufacturer for reading Diagnostic Trouble Codes for this system.


DTC CHECK (Using diagnosis check wire)





a. Using SST, connect terminals Tc and E1 of DLC1.

SST 09843-18020

b. Turn the ignition switch ON.
c. Read the DTC on the open door indicator light.






HINT: As an example, the blinking patterns for codes; normal, 12, and 11 and 12 are shown in the illustration.

d. Check for the problem using the DTC table.
e. After completing the check, turn the ignition switch off, and disconnect terminals Tc and E1.

DTC CHECK (Using LEXUS hand-held tester)





a. Prepare the hand-held tester.
b. Connect the hand-held tester to DLC3.
c. Turn the ignition switch ON and switch the hand-held tester main switch ON.
d. Use the hand-held tester to check the DTCs, note them down (For opening instructions, see the hand-held tester's instruction book.).
e. See TROUBLE CODE DESCRIPTIONS to confirm the details of the DTCs.Diagnostic Trouble Code Descriptions