Eclipse V6-3.0L SOHC (2003)
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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MB991502: Scan Tool (MUT-II)
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.
STEP 2. Check the driver's door lock actuator switch.
Disconnect driver's door lock actuator switch connector E-13. Then check continuity between the switch terminals.
Q: Is the driver's door lock actuator switch in good condition?
YES: Go to Step 3.
