The power outlet can be used for 12 v accessories that run on less than 10 a.
Open the lid.

The power outlets can be used when
The engine switch is in the “acc” or “on” position.
The engine switch is in accessory or ignition on mode.
Notice
To avoid damaging the power outlets
Close the power outlet lids when the power outlets are not in use.
Foreign objects or liquids that enter the power outlets may cause a short circuit.
To prevent the fuse from being blown
Do not use an accessory that uses more than 12 v 10 a.
To prevent battery discharge
Do not use the power outlets longer than necessary when the engine is not running.
Clock
Seat heatersBrk relay
On-vehicle inspection
Inspect brk relay
Remove the brk relay from the engine room no. 1
Relay block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
Tire pressure warning receiver (w/ antenna)
Components
...
Brake switch "b" circuit high
Description
The purpose of this circuit is to prevent the engine from stalling while
driving in the lock-up condition when
the brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signal to the ecm. Then
the ecm cancels the
operation of the lock-up clutch ...