Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
Connectors
CIRCUIT OPERATION
The ETACS-ECU operates the central door locking system according to signal from the driver's or front passenger's door lock key cylinder switch.
TECHNICAL DESCRIPTION (COMMENT)
If the signal is not normal, the systems, which are described in "CIRCUIT OPERATION", do network normally.
TROUBLESHOOTING HINTS
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Malfunction of the driver's or front passenger's door lock key cylinder switch
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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 which door lock key cylinder switch is defective.
Q: Which door lock key cylinder switch does not send a signal to the ECU?
Driver's door lock key cylinder : Go to Step 2.
Front passenger's door lock key cylinder : Go to Step 8.