Judgment Criteria

After the following statuses continue to be true for 5 seconds, if the communication with the WCM or KOS-ECU cannot be established for 0.6 second or more, the ETACS-ECU determines that a problem has occurred.

• No abnormality is present to the network.
• Ignition switch is in the ON position.
• No abnormality is present to the power supply fuse, or the odometer value is at 80.5 km (50.0 miles) or more.
• ETACS-ECU system voltage is at 10-16 volts.