Read Data List
Using the hand-held tester's DATA LIST allows switch, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.
- Connect the hand-held tester to the DLC3.
- Turn the ignition switch ON.
- Read the DATA LIST according to the display on the tester.
ECM:
DATA LIST TESTItem Measurement Item/ Range (Display) Normal Condition Diagnostic Note ENGINE SPD Engine speed/ Min.: 0 rpm, Max.: 16,383 rpm Almost equal to actual engine speed (when engine is running) - COOLANT TEMP Coolant Temperature/ Min.: -40°C (-40°F), Max.: 140°C (284°F) After warming up: 80 to 95°C (176 to 203°F) If value is -40°C (-40°F) or 140°C (284°F), sensor circuit is open or shorted. Skid control ECU with Actuator:
ACTIVE TESTItem Measurement Item/ Range (Display) Normal Condition Diagnostic Note WHEELSPD FR Vehicle speed/ Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost equal to speedometer value (when driving) - WHEELSPD FL Vehicle speed/ Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost equal to speedometer value (when driving) - WHEELSPD RR Vehicle speed/ Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost equal to speedometer value (when driving) - WHEELSPD RL Vehicle speed/ Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost equal to speedometer value (when driving) -