September / October 2014
16
cylinder and brake booster. A bunch of
small screws, slide the luggage hook
sideways, and the cover comes off. Then
behind the master cylinder you will see
the TPMS control unit. You can simply
unplug the unit, and put the trunk lining
back together.
Unplugging the unit won't just turn
off the light though, you will need either a
PST2, PIWIS, or Durametric Pro to make a
few coding changes in the ECU to kill the
light.
First tell the ECU that the TPMS sensors
are not present.
Then tell the ECU that the nominal
pressure display is not active
Then tell the ECU gateway that the tire
pressure monitor is not installed.
And finally reset the service to clear
all lights. Back to the good old ways of
checking your tire pressure on your own ☺
A
nd the answer to the trivia
question: While these sensors did
not hit main stream in the US until
the mid 2000's, the first production
car to use the TPMS system was the
Porsche 959 in 1986.
- KARL
