Using the Scan Tool
DIAGNOSTIC FUNCTIONINPUT SIGNAL INSPECTION POINTS [VEHICLES WITH ETACS-ECU]
When Using the Scan Tool
1. Connect the scan tool to the data link connector.
CAUTION: The scan tool should be connected or disconnected after turning the Ignition switch to the OFF position.
2. If buzzer of the scan tool sounds once when the each switch is operated (ON/OFF), the ETACS-ECU input signal for that switch circuit system is normal.