Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
Inspection Procedure 1
INSPECTION PROCEDURE 1: Malfunction Of The Ignition Switch (ACC) Input/Output Signal
Ignition Switch (ACC) Input Circuit
TECHNICAL DESCRIPTION (COMMENT)
If there is an error to the ignition switch (ACC) input signal, or the ACC relay inside the ETACS-ECU does not operate, the ignition switch (ACC) signal
is no longer output to the communication line.
TROUBLESHOOTING HINTS
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The ETACS-ECU may be defective
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The ignition switch 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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MB992006: Extra Fine Probe
STEP 1. Check ETACS-ECU connector C-317 for loose, corroded or damaged terminals, or terminals pushed back in the connector.