VTEC Relay Wiring Diagram

Some ECUs may not have the internal circuitry for some outputs.  The following ECUs have the outputs listed already.

PR4:

• A15 ACC
• A20 PCS
• A10 Extra Output

P06:

• A15 ACC
• A20 PCS
• A12 FANC
• A16 ALTC - must invert output

P05:

• A15 ACC
• A20 PCS
• A12 FANC
• A16 ALTC - must invert output

P75:

• A15 ACC
• A20 PCS
• A12 FANC
• A16 ALTC - must invert output