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Home >> Toyota >> 2008 >> Prius Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P1121 Coolant Flow Control Valve Position Sensor Circuit Stuck >> Monitor Strategy
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Monitor Strategy

Potentiometer detection 

MONITOR STRATEGY

Related DTCs P1121: Coolant flow control valve position sensor circuit stuck
Required sensors/components Main:
Water valve
Related:
CHS tank outlet temperature sensor
Frequency of operation Once per driving cycle
Duration 20 seconds
MIL operation 2 driving cycle
Sequence of operation None

Tank outlet coolant temperature detection 

MONITOR STRATEGY

Related DTCs P1121: Coolant flow control valve position sensor circuit stuck
Required sensors/components Main:
Water valve
Related:
CHS tank outlet temperature sensor
Frequency of operation Once per driving cycle
Duration 10 seconds
MIL operation 2 driving cycle
Sequence of operation None
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