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12 CHECK RADIATOR CAP Apply pressure to cap with a tester. SLC755A Radiator cap relief pressure: 59 - 98 kPa (0.59 - 0.98 bar, 0.6 - 1.0 kg/cm 2 , 9 - 14 psi) OK or NG OK © GO TO 13. NG © Replace radiator cap. 13 CHECK THERMOSTAT 1. Check valve seating condition at normal room temperatures. It should seat tightly. 2. Check valve opening temperature and valve lift. SLC343 Valve opening temperature: 76.5°C (170°F) [standard] Valve lift: More than 8 mm/90°C (0.31 in/194°F) 3. Check if valve is closed at 5°C (9°F) below valve opening temperature. OK or NG OK © GO TO 14. NG © Replace thermostat 14 CHECK ENGINE COOLANT TEMPERATURE SENSOR Refer to “Component Inspection”, EC-QG-124. OK or NG OK © GO TO 15. NG © Replace engine coolant temperature sensor. 15 CHECK MAIN 12 CAUSES If the cause cannot be isolated, go to “MAIN 12 CAUSES OF OVERHEATING”, EC-QG-298. © INSPECTION END DTC P1217 OVERHEAT (COOLING SYSTEM) QG16 I 18DE Diagnostic Procedure (Cont’d) EC-297 |