When the System Does Not Seem To Work Properly
FuelSecondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust
emissions during a cold start. This occurs when the start-up engine coolant temperature
(ECT) is between −10 to +56?C (14?33?F), the intake air temperature (IAT) is greater
than −10?C (14?F) and it has ...
Knock Sensor System Description
Circuit/System Description
The knock sensor system enables the engine control module (ECM) to control
the ignition timing for the best possible performance while protecting the engine
from potentially damaging levels of detonation. The ECM uses the knock sensor
system to test for ...
Active sound enhancement
NOTE:
To ensure the active sound enhancement system in the Nissan Armada operates
at its best performance, follow these important guidelines:
Do not block or cover the speakers, as this may distort or reduce sound
quality.
Avoid modifying or replacing the original speaker components inst ...