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If the central door locking system does not work at all, the ETACS-ECU may be defective.
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- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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When the ignition switch is turned to the LOCK (OFF) position, check if the hazard warning
lamps illuminate.
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Q.
Is the check result normal?
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Refer to GROUP 54A, Inspection Procedure A-1 "Check the battery power supply circuit
to the ETACS-ECU" .
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Q.
Is the check result normal?
Go to Step 3.
Repair the defective connector.
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note |
Prior to the wiring harness inspection, check junction block connector C-213, and repair
if necessary.
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- Check the power supply line for open and short circuit.
Q.
Is the check result normal?
Go to Step 4.
Repair the wiring harness.
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Check that the central door locking system works normally.
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Q.
Is the check result normal?
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The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
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Replace the ETACS-ECU and register the ID codes (Refer to GROUP 54A, Encrypted
Code Registration Criteria Table ).
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