Necessary preliminary tasks:
Remove front left underbody panelling.
Disconnect plug connection (1).
Gently press retaining tabs apart in direction of arrow and remove receiving
antenna (2).
Fig.
Special tools required:
00 2 190
NOTE: If a tire sealant has been used, replace the wheel electronics.
When a tire has been removed, do not clean the rim with installed wheel
electronics with high
(cylinder bank 1 to 4)
Remove design cover, if equipped.
Unfasten acoustic cover screws. Raise acoustic cover and remove towards front.
Remove electronics box cover.
Remove electronics box seal.
These work steps are described in REPLACING CONTROL UNIT.
Remove ignition coil cover.
Remove intake
NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the throttle and the air
cleaner or on the air cleaner.
Test precondition:
The correct fuel pressure reg