Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
Connectors
CIRCUIT OPERATION
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The ETACS-ECU operates the central door lock system according to the following signals:
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Driver's or passenger's door lock actuator switch
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Driver's or passenger's door lock key cylinder switch
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Door lock switch, which is incorporated in the power window main switch or power window sub switch (front RH)
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The ETACS-ECU locks or unlocks all the doors by operating the central door lock relay (incorporated in the ECU) in response to input signals.
TECHNICAL DESCRIPTION (COMMENT)
The wiring harness between the door lock actuator or the ETACS-ECU and the door lock actuator may defective.
TROUBLESHOOTING HINTS
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Malfunction of the driver's or front passenger's door lock actuator
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tool:
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MB991223: Test Harness Set
STEP 1. Check which door lock is defective.
Q: Which of the door locks is defective?
Driver's door : Go to Step 2.
Front passenger's door : Go to Step 5.
