Eclipse V6-3.0L SOHC (2003)
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Driver's and passenger's door switch: OFF
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Vehicle condition
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Ignition switch: LOCK position
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Driver's and passenger's door: Closed
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When a front door is opened and closed while the sunroof timer function is on, the sunroof operative duration will be changed.
TECHNICAL DESCRIPTION (COMMENT)
Is the sunroof timer function does not work normally, the input circuits from the switches described in "CIRCUIT OPERATION", the sunroof motor
assembly, the ETACS-ECU or the SWS communication line may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the driver's or passenger's door switch
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Malfunction of the sunroof motor assembly
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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 COMM CHECK" on the SWS monitor display.
Check the following ECUs:
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ETACS-ECU
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Sunroof motor assembly (sunroof-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. Turn the ignition switch to the "LOCK" (OFF) position.
4. Operate the MUT-II according to the procedure below to display "ECU COMM CHECK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "ECU COMM CHECK."
5. Scan tool MB991502 should show "OK" on the "ECU COMM CHECK" menu.
