Lancer L4-2.4L SOHC (2005)
Vehicle Speed Sensor Input Circuit Part 2
CIRCUIT OPERATION
The ETACS-ECU controls the windshield intermittent wiper interval according to the vehicle speed sensor signal.
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the wiper interval, which is described in "CIRCUIT OPERATION", will not be changed correctly. If the signal is not normal,
the vehicle speed sensor or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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The vehicle speed sensor 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
STEP 1. Check that the combination meter (speedometer) works normally.
Q: Does the combination meter (speedometer) work normally?
YES: Go to Step 2.
NO: Refer to Combination Meters Assembly and Vehicle Speed Sensor - Symptom Procedures "Speed meter does not work <M/T>."
