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Turn the ignition switch from OFF to ON, and check again if the A/T fluid temperature warning lamp illuminates or flashes.
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Q.
Does the A/T fluid temperature warning lamp illuminate or flash?
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This diagnosis is complete.
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Using M.U.T.-III, perform CAN bus line diagnosis.
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Q.
Is the check result normal?
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Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ), and then go to Step 4.
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Q.
Is the check result normal?
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Replace the A/T fluid temperature sensor 1 or A/T fluid temperature sensor 2.
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Q.
Is the trouble symptom reproduced?
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This diagnosis is complete.
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