DTC P050F-00: Low Power Brake Unit Vacuum [EVP Control Unit]: Notes

DTC P050F-00: (EVP CONTROL UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

DTC	P050F:00	Low power brake unit vacuum
DETECTION CONDITION		Power brake unit vacuum is 30 kPa {225 mmHg, 8.8 inHg} lower or more than the barometric pressure for a continuous 15 s when the electric vacuum pump is operating.
FAIL-SAFE FUNCTION		Refer to "Fail-safe function table". (See DTC TABLE [EVP CONTROL UNIT] .)
POSSIBLE CAUSE		Electric vacuum pump power supply voltage decreases Vacuum line malfunction Electric vacuum pump malfunction Electric vacuum pump drive circuit malfunction EVP control unit malfunction
SYSTEM WIRING DIAGRAM		-