PrecautionP1800 Intake manifold tuning valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1800
VIAS S/V-1
(Variable intake air system control
solenoid valve-1)
An excessively low or high voltage signal
is sent to ECM t ...
Increasing fuel economy
Keep your engine tuned up.
Follow the recommended scheduled maintenance.
Keep the tires inflated to the correct pressure.
Low tire pressure increases tire wear
and lowers fuel economy.
Keep the wheels in correct alignment. Improper
alignment increases tire wear and
lowers fuel eco ...
Component parts
Component Parts Location
BCM (view under instrument panel
on the left side of the vehicle)
Front power window motor LH (RH
similar) (view with front door finisher
removed)
Rear power window motor LH (RH
similar) (view with rear door finisher
removed)
Main power window and do ...