Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Acura >> 2009 >> CSX Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Fuel And Emissions Systems) >> System Description >> VTEC System Operation (J35Z6 engine) >> At low engine speed

At low engine speed

WARNING: This page is about a different car, the 2010 Acura TL and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

The rocker arm oil control solenoid is turned off by the PCM. Oil pressure from the rocker arm oil control valve does not enter the rocker shaft. The intake primary and secondary rocker arms are separated by a return spring and lifted by the low lift cam lobe.

Fig 1: VTEC System Operation Diagram - Low Engine Speed (J35Z6 Engine)
G06679466Courtesy of AMERICAN HONDA MOTOR CO., INC.
scientia non olet · About Mike's Workshop Manuals