Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Coolant thermostat (coolant temperature below thermostat regulating temperature)

Toyota Corolla (E120): Coolant thermostat (coolant temperature below thermostat regulating temperature)

Dtc p0128 coolant thermostat (coolant temperature below thermostat regulating temperature)

Hint

: this is the purpose of the ”thermostat” malfunction detection.

Share this page:

Other materials:

Warning lights and indicators
The warning lights and indicators on the instrument cluster, center panel, overhead console and outside rear view mirrors inform the driver of the status of the vehicle's various systems. Warning lights and indicators displayed on the instrument cluster For the purpose of explanation, the followin ...

Replacement
1. Remove front door scuff plate rh Using a screwdriver, remove the front door scuff plate rh. Hint: tape the screwdriver tip before use. Remove front door scuff plate lh Remove rear door scuff plate rh Using a screwdriver, remove the rear door scuff plate rh. Hint: tap ...

Basic inspection
Resistance measuring condition of electronic parts  unless stated, all resistance is measured at an ambient temperature of 20 c (68 °F). As the resistance may be outside the specifications if measured at high temperatures immediately after the vehicle has been running, measu ...