Inspection Procedure

ECM DATA MONITOR USING LEXUS HAND-HELD TESTER
1. Hook up the LEXUS hand-held tester to the DLC2.
2. Monitor the Engine Control Module (ECM) data by following the prompts on the tester screen.

HINT: LEXUS hand-held tester has a "Snapshot" function which records the monitored data.

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




ECM TERMINAL VALUES MEASUREMENT USING LEXUS BREAK-OUT-BOX AND LEXUS HAND-HELD TESTER
1. Hook up the LEXUS break-out-box and LEXUS hand-held tester to the vehicle.
2. Read the ECM input/output values by following the prompts on the tester screen.

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

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