Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
CIRCUIT OPERATION
The ETACS-ECU operates the power window timer function according to the following signals:
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Ignition switch (IG1)
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Front door switch
TECHNICAL DESCRIPTION (COMMENT)
If the power window timer function does not work normally, its input circuit, the ETACS-ECU or the front-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of front door switches
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)
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MB991862: SWS Monitor Kit
STEP 1. Use scan tool to select "ECU CHECK" on the SWS monitor display.
Check the ETACS-ECU.
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502. Also connect SWS monitor kit MB991862 after turning on scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Connect SWS monitor kit MB991862 to the column switch connector.
3. After the ignition switch is turned from "ON" position to the "LOCK" (OFF) position, scan tool MB991502 should show "OK" on the "ETACS
ECU" menu within approximately one minute.
Q: Is "OK" displayed on the "ETACS ECU" menu?
YES: Go to Step 2.
NO: Refer to Inspection Procedure A-3 "Communication with ETACS-ECU is impossible."