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Check if diagnosis code is set to the
ETACS-ECU.
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Q.
Is the diagnosis code set?
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Troubleshoot the ETACS-ECU. Refer to
.
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Q.
Is the check result normal?
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Replace the security alarm horn
relay.
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(1)Remove the relay, and measure at the relay box
side.
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(2)Measure the voltage between the security alarm horn relay
connector (power supply terminal) and the body earth. OK:
System voltage
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Q.
Is the check result normal?
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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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|
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Repair
the connector(s) or wiring harness.
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![](../../../img/54/AC607630AB00ENG.png)
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Connect the battery as shown, and verify that
the security alarm horn sounds.
Q.
Does the security alarm horn work normally?
Go to Step 6.
Replace the
security alarm horn, and go to step 6.
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|
Q.
Is the check result normal?
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|
Repair
the connector(s) or wiring harness.
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|
|
|
Q.
Is the check result normal?
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|
Repair
the connector(s) or wiring harness.
|
|
|
|
Check that the security alarm works
normally.
|
|
Q.
Is the check result normal?
|
|
The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
|
|
|