Eclipse V6-3.0L SOHC (2003)
The ETACS-ECU receives a signal through the sunroof motor assembly via the SWS communication line from the sunroof switch, and sends a signal to
the data link connector.
TECHNICAL DESCRIPTION (COMMENT)
If the SWS communication line between the sunroof motor assembly and the ETACS-ECU is defective, the ETACS-ECU cannot identify the input signal
from the sunroof switch even if the sunroof is normal.
TROUBLESHOOTING HINTS
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Malfunction of the sunroof switch
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Malfunction of the sunroof motor assembly
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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. Check the sunroof operation.
Q: Does the sunroof work normally?
YES: Go to Step 2.
NO: Refer to Inspection Procedure F-1 "Sunroof does not operate."
STEP 2. Check sunroof motor assembly connector D-06 and ETACS-ECU connector C-118 for damage.
Q: Are sunroof motor assembly connector D-06 and ETACS-ECU connector C-118 in good condition?
YES: Go to Step 3.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. If the sunroof operates normally, it indicates that a correct signal is sent
from the sunroof switch.