Montero V6-3.8L SOHC (2005)
Central Door Lock Power Supply Circuit Part 2
CIRCUIT OPERATION
The ETACS-ECU controls the central door lock system, locking or unlocking all the doors by activating the central door lock relay (built into the
ETACS-ECU). The ETACS-ECU uses inputs from the following components:
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Driver's or passenger's door lock actuator switch
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Driver's or passenger's door lock key cylinder switch
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Door lock switch, which is incorporated in the power window main switch or power window sub switch (front RH)
TROUBLESHOOTING HINTS
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The ETACS-ECU may be defective
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The wiring harness or connectors may have loose, corroded or damaged terminals, or terminals pushed back in the connector
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: Vehicle Communication Interface (V.C.I.)
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MB991827: MUT-III USB Cable
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MB991911: MUT-III Main Harness B
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MB991813: SWS Monitor Kit
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MB991806: SWS Monitor Cartridge
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MB991812: SWS Monitor Harness (For Column-ECU)
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MB991822: Probe Harness
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MB991854: SWS Monitor Harness (For 13-pin)