CHASSIS ELECTRICAL
-
Wiper and Washer System
8-351
Ground
2OFO163
INPUT SIGNAL
Using the scan tool or voltmeter, check whether or not the
input signals from each switch are being input to the ETACS
unit.
When using the scan tool
(1)
Connect the scan tool to the data link connector.
Caution
Turn off the ignition switch beforehand whenever the
scan tool is connected or disconnected.
(2) If the scan tool makes a peep sound when each switch is
operated (turned ON/OFF), the input signal to ECU is
normally sent from the switch circuit system.
When using a voltmeter
(1)
Connect a voltmeter to the ETACS terminal and the ground
terminal of the data link connector using the special tool.
(2) If the voltmeter pointer deflects once when each switch is
operated (turned ON/OFF), the input signal to ECU is
normally sent from the switch circuit system.
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