Tundra 4WD V8-4.7L (2UZ-FE) (2003)
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Malfunction Indicator Lamp: Description and Operation
Check the MIL
1. The MIL comes on when the ignition switch is turned ON and the engine is not running.
HINT: If the MIL does not light up, troubleshoot the combination meter.
2. When the engine is started, the MIL should go off. If the light remains on, the diagnosis system has detected a malfunction or abnormality in the
system.
