Component Tests and General Diagnostics
Input Signal Inspection PointsWhen Using The Scan Tool:
When Using the Scan Tool
1. Connect the scan tool to the data link connector.
CAUTION: Always turn the ignition switch 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 ECU input signal for that switch circuit system is normal.
When Using The Voltmeter:
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.