EPC Solenoid (Bench Mode)

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2003 Mazda B4000, 2003 Mazda B3000, 2003 Mazda B2300, 2002 Mazda B4000, and 2002 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.

EPC solenoid pressure may be set from 0-90 psi (0-6.3 kg/cm² ) in increments of 15 psi (1.1 kg/cm² ). Set parking brake. With gearshift lever in "P" position, install pressure gauge in EPC pressure port. See Figure. Start engine and run to 1500 RPM. Follow the procedure in order to test appropriate solenoid.

Select OUTPUT STATE CONTROL.
Select TRANS-BENCH MODE.
Select PIDs to be monitored (EPC).
Monitor selected PID during test.
Select "Parameter - EPC".
Select value 0-90, then press SEND. 00 - sets EPC pressure to zero psi, 15 - sets EPC pressure to 15 psi (1.1 kg/cm² ), 30 - sets EPC pressure to 30 psi (2.1 kg/cm² ), 45 - sets EPC pressure to 45 psi (3.2 kg/cm² ), 60 - sets EPC pressure to 60 psi (4.2 kg/cm² ), 75 - sets EPC pressure to 75 psi (5.3 kg/cm² ), 90 - sets EPC pressure to 90 psi (6.3 kg/cm² ).
Select "XXX", then press SEND at any time to cancel any command sent.