DTC Detection Logic
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0128 |
THERMSTAT FNCTN [Coolant thermostat (coolant temperature below thermostat regulating temperature)] |
Diagnosis condition |
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Signal (terminal) |
Engine coolant temperature sensor signal |
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Threshold |
The engine coolant temperature does not reach to specified temperature even though the engine has run long enough. |
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Diagnosis delay time |
-- |
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