Repair procedures Inspection 1. Remove the air cleaner element. 2. Check that the air filter is excessively dirty.
Description and operation Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.
Components and components location Components Connector pin function NO. Connector A Connector B 1 Low Battery 2 Common ISG Battery 3 High Illumination (+)