Eclipse V6-3.0L SOHC (2003)
Front Door Switches Input Circuit Part 2
CIRCUIT OPERATION
The ETACS-ECU operates the following functions or systems according to signal from the driver's or front passenger's door switches:
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Ignition key reminder tone alarm function
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Light reminder tone alarm function
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Power window timer function
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Headlight automatic shutdown function
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Dome light
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Interior automatic-shutdown function
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the functions or systems, which are described in "CIRCUIT OPERATION", do not work normally. If the signal is not normal,
the driver's or front passenger's door switch or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the driver's or front passenger's 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)
STEP 1. Check the input signal (by using the Pulse check).
Check the input signals from the front door switches.
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.