Galant L4-2.4L (4G69) (2004)
Sunroof Motor Assembly (Sunroof-ECU) And SWS Communication Circuit Part 2
CIRCUIT OPERATION
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Power to the sunroof motor assembly is supplied through fusible link (5).
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When the ignition switch (IG2) signal is on, the sunroof motor assembly is ready to operate.
TECHNICAL DESCRIPTION (COMMENT)
The power supply circuit or the communication circuit to the sunroof motor assembly or the sunroof motor assembly may be defective.
TROUBLESHOOTING HINTS
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
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The sunroof motor assembly may be defective
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The ETACS-ECU may be defective
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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MB991910: MUT-III Main Harness A