U5/Low Emissions Models
DTC P0128 COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault.
TROUBLE SYMPTOM:
Thermostat remains open.
CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE and INSPECTION MODE.
Step 1 - 4:
