Eclipse L4-2.4L (4G69) (2008)
If the signal is not normal, the theft-alarm system does not work normally.
TROUBLESHOOTING HINTS
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The hood switch may be defective
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The ETACS-ECU may be defective
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB991958: Scan Tool (M.U.T.-III Sub Assembly)
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MB991824: V.C.I.
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MB991827: M.U.T.-III USB Cable
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MB991911: M.U.T.-III Main Harness B
STEP 1. Check hood switch connector A-37 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is hood switch connector A-37 in good condition?
YES : Go to Step 2.
NO : Repair or replace the damaged component(s). Refer to general (electrical), Harness Connector Inspection. If the theft-alarm system operates
normally, it indicates that a correct signal is sent from the hood switch.
STEP 2. Check the hood switch.
Remove the hood switch. Then check continuity between the switch terminals.
Q: Is the hood switch in good condition?
YES : Go to Step 3.