• When the customer reports a vehicle malfunction, inspect the malfunction indicator lamp (MIL) illumination, AT warning light illumination, and the diagnostic trouble code (DTC), and then diagnose the malfunction according to the following flowchart.
• If a tire of a different diameter from the standard tire is installed, the TCM determines that the driving mode is the AAS mode, and may change to a different shift timing from the normal timing.
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*: Malfunction Indicator Lamp (MIL), AT warning light