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FL -438 FUEL SYSTEM Fig.1 Fig.2 Fig.1) "AUXILIARY HEATER" operates only when Intake air temp. is below 5 and Engine coolant temp. is below 70 . "ON" state of "AUXILIARY HEATER" lasts till Engine coolant temp. reaches 70 . Fig.2) "AUXILIARY HEATER" turns "OFF" as soon as engine coolant temp. reaches 70 . Fig.3) If it is difficult to cool engine when current condition does not meat "AUXILIARY HEATER" operating condition, Fig.3 SCMFL6347L TERMINAL AND CONNECTOR INSPECTION EE5C6C40 1. Electrical systems consist of a lot of harness and connectors, poor connection of terminals can cause various prob- 2. Perform checking procedure as follows. 1) Check damage of harness and terminals : Check terminals for contact resistance, corrosion and deformation. 2) Check connecting condition of ECM and component connector : Check terminal seperation, damage of locking NOTE Disconnect the pin which requires checking at male connector and insert it to the terminal at female connector for 3. Is the problem found? |