Eclipse V6-3.0L SOHC (2003)
Ignition Key Reminder Tone Alarm Function
CIRCUIT OPERATION
The ETACS-ECU operates the ignition key reminder tone alarm function, based on input signals from the following switches:
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Ignition switch (IG1): OFF
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Key reminder switch: OFF
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Driver's door switch: ON
The ETACS-ECU operates the ignition key reminder tone alarm function under the following conditions:
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Ignition key position: "LOCK" (OFF) or "ACC" position
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Ignition key: Inserted in the ignition key cylinder
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Driver's door: open
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 the key reminder switch
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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 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.
