What does VTEC pressure switch do?

What does VTEC pressure switch do?

VTEC stands for Variable Valve Timing with Electronic Control. The variable valve timing oil pressure switch is a normally open switch located at the VVT solenoid. When the VTEC oil pressure switch closes, the voltage should drop to zero. This is how the PCM knows if oil pressure was applied to the VTEC system.

How do I bypass a VTEC pressure switch?

This can be easily bypassed with a simple wiring trick: On your engine harness, locate the VTEC oil pressure switch plug/wire (this wire comes from OBD1 ECU pin D6). Use a common T-tap or other method and simply tap this into the VTEC solenoid valve wire (the VTEC solenoid wire comes from OBD1 ECU pin A4).

How do you test a VTEC pressure switch?

To test for continuity on the vtec switch, set the meter appropriately (like picture) and touch one lead to each of the two pins on the vtec switch itself. To test for continuity of the vtec circuit in the ECU, you woud touch one lead to each of the pins in the unplugged wiring harness.

What is the part number for a Honda B18C1 pressure switch?

When installing a VTEC pressure switch, the B18C1 Honda part number is 37250-PR3-003, and it can be used across all DOHC engines. 1992-1995 Honda Civic VX – The only thing to change here when swapping a B16, B17, or B18 engine in your VX is to rewire your oxygen sensor to a standard four wire unit.

How much does a Honda Accord oil pressure sensor replacement cost?

The average cost for a Honda Accord Oil Pressure Sensor Replacement is between $138 -$152. Learn More Engine hesitated while accelerating from a stop. The check engine light (CEL) came on immediately.

How do you wire VTEC on a 1992 Honda Civic DX?

1992-1995 Honda Civic DX and LX – Own a 1992 DX or LX? simply run the VTEC wire from your shock tower to your solenoid and switch to complete the VTEC wiring. You can of course always run wires from your ECU, P28 or P72.

What oil pressure switch did you replace in your 2001 Honda?

I replaced the oil pressure switch (37250-PNE-G01) and the o-ring (91319-PAA-A01). My 2001 Honda also did the same thing,jerked and jumped between 2000-3000 rpms,would not go into passing gear when trying to accelerate quickly.Ran very smoothly like a dream any other time.Cel came on and only code was the VTEC solenoid.