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DTC P0217 ENGINE OVER TEMPERATURE EC-157 [YD (WITH EURO-OBD)] C D E F G H I J K L M A EC 3. CHECK COOLING FAN MOTORS CONTROL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect cooling fan motor-1 harness connector and cooling fan motor-2 harness connector. 3. Disconnect cooling fan relay-2 and cooling fan relay-4. 4. Check harness continuity between the following. – Cooling fan relay-1 terminal 5 and cooling fan motor-1 terminal 1 – Cooling fan motor-1 terminal 2 and cooling fan relay-2 terminal 3 – Cooling fan motor-1 terminal 2 and cooling fan relay-4 terminal 3 – Cooling fan relay-2 terminal 4 and cooling fan motor-2 terminal 1 – Cooling fan relay-4 terminal 4 and cooling fan motor-2 terminal 1 – Cooling fan motor-2 terminal 2 and ground 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 4. CHECK COOLING FAN MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Disconnect smart entrance control unit harness connector. 2. Check harness continuity between cooling fan relay-1 terminal 1 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 6. NG >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E123, M17 (LHD models) ● Harness connectors E110, M94 (RHD models) ● Harness for open or short between cooling fan relay-1 and smart entrance control unit >> Repair open circuit or short to ground or short to power in harness or connectors. Continuity should exist. MBIB0087E Continuity should exist. MBIB0173E |