Where is the VTEC oil pressure switch?
VVT solenoid
The variable valve timing oil pressure switch is a normally open switch located at the VVT solenoid.
Where is the VTEC solenoid located on Honda Accord?
On the Honda Civic SI and the accord with the 2.3 L or 2.4 L four-cylinder Honda engines we find the VTEC solenoid on the left rear of the cylinder head. The VTEC solenoid housing also provides a threaded hole for the oil pressure switch and o-ring we speak of in the diagnosis section above.
How to change the oil pressure on a Honda Accord?
Remove the appropriate rocker arm oil pressure switch, depending on which DTC is stored (Fig. 1). • P3400 – Replace the Bank 1 rear rocker arm oil pressure switch. • P3497 – Replace the Bank 2 front rocker arm oil pressure switch. 2. Install the new rocker arm oil pressure switch with a new O-ring. Torque each to 16 ft.-lbs. (22 Nm).
How do you replace pressure switch on accord?
Detach the electric connector of the VTEC pressure switch and the 2 nd electrical connector attached to the VTEC solenoid spool valve assembly. 2. Using the 22mm deep socket, extension bar and ratchet, break the seal on the pressure switch, but leave it in place.
How can I test the VTEC oil pressure switch or bypass?
2003 honda element k24a4 throwing P2646. Cleaned screens, oil change with filter, replaced entire vtec spool/oil pressure switch, and vvt … read more Vocational, Technical or Tra… 2003 Honda Element with P2646 code. Replaced Vtec assembly 2003 Honda Element with P2646 code. Replaced Vtec assembly and cleaned screen.
When to replace the oil pressure switch on a Honda?
Each exhibits a unique set of symptoms, but the fix is the same for both: replace it. If the vehicle’s malfunction indicator lamp (MIL) is on and diagnostic trouble codes (DTC) P3400 (VPS Stuck Off Bank 1) and/or P3497 (VPS Stuck Off Bank 2) are present, Honda recommends that one or both of the rocker arm oil pressure switches be replaced.
Why does my Honda Accord oil pressure switch not work?
Also, the check engine light will illuminate, and the engine control module (ECM) will store trouble codes pertaining to the VTEC solenoid or pressure switch. A broad selection of Honda vehicles equipped with VTEC are known to leak engine oil at the VTEC oil pressure switch, and this will cause the symptoms noted above.
Detach the electric connector of the VTEC pressure switch and the 2 nd electrical connector attached to the VTEC solenoid spool valve assembly. 2. Using the 22mm deep socket, extension bar and ratchet, break the seal on the pressure switch, but leave it in place.
What causes an oil leak on a Honda Accord?
A broad selection of Honda vehicles equipped with VTEC are known to leak engine oil at the VTEC oil pressure switch, and this will cause the symptoms noted above. The switch is mounted with a gasket to prevent oil leaks, but fails at random intervals, normally sometime after the 100,000 mile mark.
Why does my Honda Accord have variable valve timing?
It can get dirty and cause P2646. The VTEC system controls the variable valve timing in your Accord. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system.