Eclipse L4-2.4L SOHC (2004)
Door Lock Actuator Switch 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 lock actuator switches:
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Central door locking system
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Keyless entry system
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Dome light dimming function
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the functions or systems, which are described in "CIRCUIT OPERATION", do not work normally.
TROUBLESHOOTING HINTS
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Malfunction of the driver's or front passenger's door latch assembly
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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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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: Vehicles communication interface
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MB991827: MUT-III USB cable
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MB991911: MUT-III Main harness B
STEP 1. Check which door lock key cylinder switch is defective.
Q: Which door lock actuator switch signal is not entered?
Driver's door: Go to Step 2.
Front passenger's door: Go to Step 8.