Eclipse V6-3.0L SOHC (2003)
1. Remove the horn.
2. Connect the battery as shown, and check that the horn sounds.
Q: Is the horn normal?
YES: Go to Step 21.
NO: Replace the horn. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is triggered.
STEP 21. Check the fit of the horn.
Check that the horn is installed correctly.
NOTE: The horn is grounded to the vehicle body via its mounting bolt.
Q: Is the horn installed correctly?
YES: Replace the ETACS-ECU. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is triggered.
NO: Install the horn correctly. All the vehicle horn (including the theft-alarm horn) should sound when the theft-alarm system is triggered.
Inspection Procedure N-3
Theft-alarm System: Headlights (High-beam) Do Not Flash When The Theft-alarm System Is Triggered.
TECHNICAL DESCRIPTION (COMMENT)
If the headlights (high beam) illuminate normally, the front-ECU or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the front-ECU
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
DIAGNOSIS
STEP 1. Check the headlight (high beam) operation.
Q: Do the headlights illuminate at high beam normally?
YES: Go to Step 2.
NO: Refer to Inspection Procedure J-3 "Headlights (high-beam) do not illuminate normally."
STEP 2. Replace the ECU.
1. Replace the ETACS-ECU.
2. The headlights should flash at high beam when the theft-alarm system is triggered.
Q: Do the headlights flash at high beam when the theft-alarm system is triggered?
YES: No action to be taken.
