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5 CHECK COOLING FAN HIGH SPEED OPERATION Without CONSULT-II 1. Turn ignition switch “OFF”. Ω resistor to engine coolant temperature sensor harness connector. 6. Restart engine and make sure that cooling fans-1 and -2 operate at higher speed than low speed. MEF613EA OK or NG OK © GO TO 6. NG © Check cooling fan high speed control circuit. (Go to PROCEDURE B, EC-895.) 6 CHECK COOLING SYSTEM FOR LEAK Apply pressure to the cooling system with a tester, and check if the pressure drops. Testing pressure: 157 kPa (1.57 bar, 1.6 kg/cm 2 , 23 psi) CAUTION: Higher than the specified pressure may cause radiator damage. SLC754A Pressure should not drop. OK or NG OK © GO TO 7. NG © Check the following for leak + Hose + Radiator + Water pump DTC P1217 OVERHEAT (COOLING SYSTEM) SR20DE Diagnostic Procedure (Cont’d) EC-889 |