Galant LS V6-3.0L SOHC (1999)
<When using a voltmeter>
1. Use special tool MB991529 to connect a voltmeter between ground terminal 4 or 5 and ETACS-ECU terminal 9 of the data link connector.
2. Check that the voltmeter indicator deflects once when the input signal enters.
If a defect appears, check the transmitter input signal circuit. Refer to Inspection Procedure N-17.
If no detect appears, replace the ETACS-ECU.
The panic alarm should work normally.
Inspection Procedure M-5
Theft-alarm Starter Relay Drive Circuit