Lancer L4-2.4L SOHC (2005)
Backup Light Switch Input Circuit Part 2
CIRCUIT OPERATION
The ETACS-ECU operates the rear wiper according to signal from the backup light switch.
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the rear wiper does not operate consecutively twice when the shift lever is moved to the "R" position with the rear wiper on. If
the signal is not normal, the backup light switch or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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The backup light switch may be defective
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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
