Eclipse V6-3.0L SOHC (2003)
Seat Belt Tone Alarm Function
CIRCUIT OPERATION
The ETACS-ECU operates the seat belt tone alarm function according to signals from the following switches:
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Ignition switch (IG1): ON
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Driver's seat belt switch: ON
The ETACS-ECU operates the seat belt tone alarm function under the following conditions:
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Ignition switch (IG1): "ON" position
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Driver's seat belt: Unfastened
TECHNICAL DESCRIPTION (COMMENT)
If the function does not work normally, the input circuit system from the switches or the ETACS-ECU may be defective (refer to "CIRCUIT
OPERATION"),
TROUBLESHOOTING HINTS
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Malfunction of driver's seat belt switch
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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 COMM 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.