Eclipse V6-3.8L (6G75) (2006)
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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Door switch (LH): 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) 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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Trouble in input signal system
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
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The ETACS-ECU may be defective
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB992006: Extra Fine Probe
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: V.C.I.
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MB991827: MUT-III USB Cable
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MB991910: MUT-III Main Harness A
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MB991813: SWS Monitor Kit
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MB991806: SWS Monitor Cartridge
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MB991812: SWS Monitor Harness (For Column-ECU)
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MB991822: Probe Harness
STEP 1. Use scan tool MB991958 to select "ECU COMM Check" on the SWS monitor display.
Check the ETACS-ECU.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958. Connect special tool MB991910 before connecting special tool MB991812. Be sure to connect special tool
MB991806 after turning on special tool MB991824.