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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> On-Board Diagnostics - Electric Vacuum Pump (EVP) >> PID/Data Monitor Table [EVP Control Unit]

PID/Data Monitor Table [EVP Control Unit]

-: Not applicable

PID/DATA MONITOR PART SPECIFICATION

Monitor item Unit/Operation Test condition Specification (Reference) Inspection item
BRK_SIG Off/On Brake pedal released Off
Brake pedal depressed On
ECU_TEMP °C, °F This PID indicates temperature of board in EVP control unit.
VP_C A Switch the ignition ON (engine on) approx. 0 A
After starting to drive approx. 6.5 A
VP_MV V Switch the ignition ON (engine on) approx. 7 V
After starting to drive approx. 0 V
VP_PV V Switch the ignition ON (engine on) approx. 7 V
After starting to drive approx. 14 V
VPD_THR - Electric vacuum pump deactivation threshold
  • If the power brake unit vacuum is larger than the value which is calculated by subtracting VPD_THR from barometric pressure, the electric vacuum pump is deactivated
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VPR1_V Off/On Switch the ignition ON (engine on) Off
After starting to drive On
VPR2_V Off/On Switch the ignition ON (engine on) Off
After starting to drive On
VPS_FBK Off/On Switch the ignition ON (engine on) Off
After starting to drive On
VPWR V This PID indicates power supply voltage for EVP control unit.
VS1 Pa, mmHg, inHg Switch the ignition ON (engine on) 40 kPa {300 mmHg, 12 inHg} or less
VS1_INP_STAT - This PID indicates vacuum sensor 1 input status. -
VS1_V V Under any condition approx. 5 V
VS2 Pa, mmHg, inHg Switch the ignition ON (engine on) 40 kPa {300 mmHg, 12 inHg} or less