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Home >> Toyota >> 2009 >> Prius Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control System >> SFI System >> DTC P1120 Coolant Flow Control Valve Position Sensor Circuit; DTC P1122 Coolant Flow Control Valve Position Sensor Circuit Low; DTC P1123 Coolant Flow Control Valve Position Sensor Circuit High >> Monitor Strategy
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Monitor Strategy

MONITOR STRATEGY

Related DTCs
  • P1120: Coolant flow control valve (water valve) position sensor circuit range check (fluttering)
  • P1122: Coolant flow control valve (water valve) position sensor circuit range check (low voltage)
  • P1123: Coolant flow control valve (water valve) position sensor circuit range check (high voltage)
Required sensors/components Water valve position sensor
Frequency of operation Continuous
Duration 2 seconds
MIL operation Immediately
Sequence of operation None
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