Obd2b plug configuration below is an example that shows the onboard female connector configuration for an obd2b ecu. This article exploits a combination of ecu pin locations and wire colors for all mt 99 00 civic and 00 01 integra vtec and non vtec vehicles.
Rw 1850 Acura Vtec Wiring Diagram Schematic Wiring
Vtec wiring diagram obd1. First off you cannot chip an obd2 ecu. You need to find a p28 ecu and then get a conversion harness from obd1 2im hoping your obd2 right now if you get that there is no knock sensor so you dont need to worry about that and the conversion harness 9 times out of 10 has the vtec control wire left open on the harness so you just wire it up straight to the solenoid. This article exploits a combination of ecu pin locations and wire colors for all mt 92 95 civic 92 95 integra 92 95 prelude vtec and non vtec vehicles. Saves you about 2 hrs worth of painful wiring and looks super clean. â vtec solenoid â obd1 ecu plugs abd. This harness uses mil spec teflon coated wire with a maximum heat rating of 200c.
This can be easily bypassed with a simple wiring trick. Made with quality oe style plugs this jumper harness will allow your obd0 honda to accept an obd1 or obd2 distributor. Obd1 plug configuration below is an example that shows the common onboard male connectors for a honda obd1 ecu. This obd0 to obd1 distributor jumper harness will make your next motor swap pain free. On your engine harness locate the vtec oil pressure switch plugwire 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.
Obd1 ecu boost control solenoid wiring instructions obd2b 00 01 integra ecu into obd2b 99 00 civic fuel pump output pin swap information honda distributor wiring colors reference diagram. Our d series and b series compatible wire tuck engine harness is nearly identical to our mil spec engine harness line with the primary difference being the single black wire color and expandable loom.
Gallery of Vtec Wiring Diagram Obd1
