Lancer L4-2.4L SOHC (2005)
Interior Light Automatic Shutt-down Function Circuit Part 2
CIRCUIT OPERATION
The ETACS-ECU operates the following equipment or functions by the interior light loaded signal:
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Interior light automatic shutoff function
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Front dome light, rear dome light and luggage compartment light
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Door-ajar indicator light
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the equipment or functions, which are described in "CIRCUIT OPERATION", do not work normally.
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
STEP 1. Check ETACS-ECU connector C-226 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
