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(1)Disconnect the key reminder switch (key ring antenna) connector B-203.
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(2)Take the measurements below at component-side connector. There should be continuity between terminals 8, 10 and body earth. OK: Continuity exists (2 Ω or less)
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Q.
Is the check result satisfactory?
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Replace the key reminder switch (key ring antenna), and then go to Step 5 .
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Q.
Is the check result satisfactory?
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Repair the connector, and then go to Step 4.
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Q.
Is the check result normal?
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Repair the wiring harness, and then go to Step 4.
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(1)Turn the electric motor switch to the "LOCK" (OFF) position once, and then turn
it to the ON position again.
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(2)Check if diagnosis code No.B1722 is set as a current trouble.
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Q.
Is diagnosis code No.B1722 set as a current trouble?
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Replace the key reminder switch (key ring antenna), and then go to Step 5.
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If diagnosis code No.B1722 is set as a past trouble, erase the diagnosis code
that is set as a past trouble, and the diagnosis is complete.
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(1)Turn the electric motor switch to the "LOCK" (OFF) position once, and then turn
it to the ON position again.
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(2)Check if diagnosis code No.B1722 is set as a current trouble.
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Q.
Is diagnosis code No.B1722 set as a current trouble?
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Replace the ETACS-ECU and register the ID codes (Refer to ).
After registering the ID codes, return to Step 1.
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If diagnosis code No.B1722 is set as a past trouble, erase the diagnosis code
that is set as a past trouble, and the diagnosis is complete.
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