Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tool
Hazard switch
Component function check
1.Check hazard switch signal by consult
Consult data monitor
Turn ignition switch ON.
Select hazard sw of bcm (flasher) data monitor item.
While operating the hazard switch, check the monitor status.
Is the inspection result normal?
Yes >> hazard swi ...
Dtc/circuit diagnosis
Eco mode switch
Component function check
1. Check eco mode switch operation
Turn ignition switch ON.
Check ECO mode indicator lamp turns ON/OFF on combination meter when
turn ECO mode switch ON/
OFF.
Is the inspection result normal?
Yes >> inspection end
No >> go to dm ...
P1800 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 ...