With Lexus Hand-Held Tester
REFERENCE VALUE OF ECM DATA:HINT: ECM data can be monitored by LEXUS hand-held tester.
1. Hook up the LEXUS hand-held tester to the 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 VALUE:
*1: If the engine coolant temp. sensor circuit is open or shorted, the ECM assumes an engine coolant temp. value of 80°C (176°F).
*2: When feedback control is forbidden, 0V is displayed.
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 break-out box operator's manual for further details.