NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
Wiring diagram
PrecautionVariable induction air system
Description
Power Valves 1 and 2
The power valves 1 and 2 are installed in intake manifold collector and used to
control the suction passage of
the variable induction air control system. They are set in the fully closed or
fully opened position by the power
valve actuators 1 and 2 operate ...
Environmental factors influence the rate of corrosion
Moisture
Accumulation of sand, dirt and water on the vehicle
body underside can accelerate corrosion.
Wet floor coverings will not dry completely inside
the vehicle and should be removed for drying to
avoid floor panel corrosion.
Relative humidity
Corrosion will be accelerated in areas of h ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
It is also important to clarify customer complaints before inspection. First
of all, reproduce symptoms, andunderstand them fully. Ask customer about
his/her complaints carefully. In some cases, ...