LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2015 >> Prius V Two >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - (Diagnostic Codes (P0E32-585 - U0424-537) & Circuit Tests) >> Hybrid Control System >> DTC P314A-828: Inverter Coolant Pump Speed Signal [11/2014 - ] >> Description

DTC P314A-828: Inverter Coolant Pump Speed Signal [11/2014 - ]: Description

Refer to the description for DTC P0C73-776. Refer to DESCRIPTION .

The inverter water pump assembly sends the water pump speed (measured value) signal to the power management control ECU. If the water pump speed (measured value) signal is not sent to the power management control ECU when the power switch is on (READY), this DTC is stored.

DTC No. INF Code DTC Detection Condition Trouble Area
P314A 828 When either of the following conditions is met: 
  • A malfunction in the power source circuit or water pump speed signal line of the inverter water pump assembly is detected.
  • A malfunction in the power source circuit of the inverter water pump assembly or power management control ECU is detected.

(1 trip detection logic)
  • Wire harness or connector
  • Power management control ECU
  • Inverter water pump assembly
  • IGCT No. 3 fuse
  • IGCT relay
RELATED DATA LIST

DTC No. INF Code Data List Item
P314A 828
  • Inverter W/P Revolution*1
  • W/P Run Control Duty*1
  • Ready Signal

*1: This Data List item is related to the inverter water pump assembly.

RELATED ACTIVE TEST

DTC No. INF Code Active Test
P314A 828 Activate the Water Pump*2

*2: This is an Active Test of the inverter water pump assembly.