Initial Inspection and Diagnostic Overview

When Using the Scan Tool
1. Connect the scan tool to the data link connector.
Caution
The ignition switch should always be turned OFF when connecting and disconnecting the scan tool.
2. If buzzer of the scan tool sounds once when a switch is operated (ON/OFF), the ETACS-ECU input signal for that switch circuit system is normal.

Diagnostic Function:

When Using the Voltmeter
1. Use the special tool to connect a voltmeter between the ground terminal and the ETACS terminal of data link connector.
2. If the voltmeter indicator deflects once when a switch is operated (ON/OFF), the ECU input signal for that switch circuit system is normal.