Tundra 4WD V8-5.7L (3UR-FE) (2007)
Auxiliary Power Outlet: Description and Operation
System Outline
Power is supplied to 12 V socket (Power outlet) even when the ignition switch is at OFF position, by IPO control.
When one of the following conditions is satisfied, power supply to 12 V socket (Power outlet) shall be cut off.
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Amount of the current in use is 6 Ah or more.
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Operating time is 2 hours or more.
When the following condition is satisfied, power supply to 12 V socket (Power outlet) shall be returned.
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Ignition switch is at ACC position.
To improve the engine starting performance, power supply to 12 V socket (Power outlet) shall be cut off for 5 seconds when the ignition switch is at ST
position.