Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2006 >> G35 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0128 (Sedan) >> DTC P0128 Thermostat Function >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to "COMPONENT INSPECTION ".

    OK or NG 

    1. OK: INSPECTION END
    2. NG: Replace engine coolant temperature sensor.