Noise, vibration and harshness (NVH) troubleshooting
NVH Troubleshooting Chart
Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.

PreparationPrecaution for work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...
Ignition coil
Exploded View
Ignition coil
Spark plug
Rocker cover
Removal and Installation
REMOVAL
Remove the engine room cover. Refer to EM-24, "Exploded View".
Disconnect the harness connector from the ignition coil.
Remove the ignition coil.
CAUTION:
Do not drop or shock i ...
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the function th ...