Montero XLS 4WD V6-3.5L SOHC (2001)
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Ignition switch (IG1)
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key reminder switch
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Driver's and passenger's door switch
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Driver's door lock actuator switch
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.
Q: Does the voltmeter indicator deflect?
YES: Replace the ETACS-ECU. The dome light dimming function should work normally.
NO: Check the relevant input signal circuit.
Inspection Procedure P-1
Theft-alarm system: Theft-alarm system is not armed (theft-alarm indicator light does not illuminate)
