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EC-1022
[YD (WITH EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
3. CHECK COOLING FAN RELAY GROUND 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. Check harness continuity between the following.
– Cooling fan relay-2 terminal 5 and cooling fan motor-1 terminal 2
– Cooling fan relay-2 terminal 6 and cooling fan motor-1 terminal 3
– Cooling fan relay-2 terminal 7 and ground.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between the following.
– Cooling fan relay-3 terminal 5 and cooling fan motor-2 terminal 2
– Cooling fan relay-3 terminal 6 and cooling fan motor-2 terminal 3
– Cooling fan relay-3 terminal 7 and ground
6. 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 power in harness or connectors.
4. CHECK COOLING FAN MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between cooling fan relay-2 terminal 2 and ECM terminal 34, cooling fan relay-3
terminal 2 and ECM terminal 34.
Refer to Wiring Diagram.
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 E64, F5
● Harness for open or short between cooling fan relay-2 and ECM
● Harness for open or short between cooling fan relay-3 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK COOLING FAN RELAYS-2 AND -3
Refer to EC-1024, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.
Continuity should exist.
Continuity should exist.
PBIB1895E
Continuity should exist.
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