With Manufacturer's Scan Tool

DIAGNOSIS SYSTEM

(a) Check the TEM output (LED lightening check).





(1) Connect the LED to terminals TEM and E1 of DLC2.

NOTICE: If connected reversely, the LED does not light.

HINT: Use the LED whose recommended operating current is 10 - 20 mA.

(2) Turn the ignition switch ON, and check that the LED lights for about 2 seconds.

HINT: If the LED does not light, inspect the TEM circuit.

(c) Using LEXUS hand-held tester, check the DTC.





(1) Hook up the LEXUS hand--held tester to the DLC2.
(2) Monitor the ECU data by following the prompts on the tester screen.

Please refer to the LEXUS hand-held tester operator's manual.

LEXUS hand-held tester has a "Snapshot" function. This records the measured values and is effective in the diagnosis of intermittent problems.