Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Fuel Tank Pressure Sensor: Description and Operation
NOTE: For California models only.
OPERATION -
Fuel tank differential pressure sensor will convert the pressure in the fuel tank to voltage and input it to the engine control module.
-
5 V of power is supplied to the fuel tank differential pressure sensor from the engine control module, and the sensor circuit ground is located in the engine control module.