Scan Tool Testing and Procedures

HINT: The Engine Control Module (ECM) data can be monitored by LEXUS hand-held tester.

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

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




REFERENCE VALUES
*1: All accessories and A/C switched OFF
*2: If the engine coolant temp. sensor circuit is open or shorted, the ECM assumes an engine coolant temp. value of 80°C (176°F).
*3: When feedback control is forbidden, 0 V is desplayed.
*4: Oxygen sensor (Front)
*5: Oxygen sensor (Rear)