Other information:
Tire Pressure Monitoring System – Warning Lamps
The low tire pressure warning
lamp
has combined functions, as it
warns you when your tires need
air, and when the system is no longer
capable of functioning as intended.
Tire Pressure Monitoring System – Information Messages
..
Check
NOTE:
No factory-equipped vehicle should have more than a 25 mA
(0.025 amp) – 50 mA (0.050) draw depending on the vehicle's accessories.
Check for current drains on the battery in excess of 25 mA (0.025 amp) –
50 mA (0.050) with all the electrical accessories off and the vehicle
at rest for at least 75 minutes (depending on region). Current drains
can be tested with the following..