Eclipse GS L4-2350cc 2.4L SOHC MFI (2002)
Vehicles Speed Signal Input Circuit
CIRCUIT OPERATION
The ETACS-ECU controls the windshield intermitten wiper interval according to the vehicle speed signal, which the power-train control module sends.
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 powertrain control module or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the powertrain control module
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Malfunction of the ETACS-ECU
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Damaged harness wipes or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)
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 Inspection Procedure O-8 "ETACS-ECU does not receive a signal from the windshield mist switch."
