Page 1465 of 2898

2 DETECT MALFUNCTIONING PART
Check the following.
+Fuse block (J/B) connector E104
+10A fuse
+40A fusible links
+Harness for open or short between cooling fan relay-1 and fuse
+Harness for open or short between cooling fan relay-1 and battery
©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan motor-1 harness connector and cooling fan motor-2 harness connector.
SEF385Y
3. Check harness continuity between cooling fan relay-1 terminal 5 and cooling fan motor-1 terminal 1, cooling fan
motor-1 terminal 4 and body ground. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between cooling fan relay-1 terminal 7 and cooling fan motor-2 terminal 1, cooling fan
motor-2 terminal 4 and body ground. Refer to Wiring Diagram.
Continuity should exist.
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 ground or short to power in harness or connectors.
4 CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 219 and cooling fan relay-1 terminal 2. Refer to Wiring Diagram.
Continuity should exist.
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 E75, F36
+Harness for open or short between cooling fan relay-1 and ECM
©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-741
Page 1466 of 2898
6 CHECK COOLING FAN RELAY-1
Check continuity between cooling fan relay-1 terminals 3 and 5, 6 and 7 under the following conditions.
SEF591X
OK or NG
OK©GO TO 7.
NG©Replace cooling fan relay.
7 CHECK COOLING FAN MOTORS-1 AND -2
Supply battery voltage between the following terminals and check operation.
SEF405Y
OK or NG
OK©GO TO 8.
NG©Replace cooling fan motors.
8 CHECK INTERMITTENT INCIDENT
Perform ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-665.
©INSPECTION END
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-742
Page 1467 of 2898
Procedure BNJEC0666S0302
1 CHECK COOLING FAN POWER SUPPLY CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan relays-2 and -3.
SEF384Y
3. Turn ignition switch ªONº.
4. Check voltage between cooling fan relays-2 and -3 terminals 1, 3 and ground with CONSULT-II or tester.
SEF593X
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
+Harness for open or short between cooling fan relays-2 and -3 and fuse
+Harness for open or short between cooling fan relays-2 and -3 and fusible link
©Repair harness or connectors.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-743
Page 1468 of 2898

3 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan motor-1 harness connector and cooling fan motor-2 harness connector.
SEF385Y
3. Check harness continuity between 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 body ground. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between 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 body ground. Refer to Wiring Diagram.
Continuity should exist.
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 ground or short to power in harness or connectors.
4 CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 221 and cooling fan relay-2 terminal 2, cooling fan relay-3 terminal 2.
Refer to Wiring Diagram.
Continuity should exist.
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 E74, F35
+Harness for open or short between cooling fan relays-2 and -3 and ECM
©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-744
Page 1469 of 2898
6 CHECK COOLING FAN RELAYS-2 AND -3
Check continuity between cooling fan relay-2, -3 terminals 3 and 5, 6 and 7 under the following conditions.
SEF591X
OK or NG
OK©GO TO 7.
NG©Replace cooling fan relays.
7 CHECK COOLING FAN MOTORS
Supply battery voltage between the following terminals and check operation.
SEF405Y
OK or NG
OK©GO TO 8.
NG©Replace cooling fan motors.
8 CHECK INTERMITTENT INCIDENT
1. Perform ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-665.
©INSPECTION END
HATCHBACKNJEC0666S04
1 INSPECTION START
Do you have CONSULT-II?
YesorNo
Ye s©GO TO 2.
No©GO TO 4.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-745
Page 1470 of 2898
2 CHECK COOLING FAN LOW SPEED OPERATION
With CONSULT-II
1. Disconnect cooling fan relays-2 and -4.
SEF384Y
2. Turn ignition switch ªONº.
3. Perform ªCOOLING FANº in ªACTIVE TESTº mode with CONSULT-II.
SEF646X
4. Make sure that cooling fans-1 and -2 operate at low speed.
OK or NG
OK©GO TO 3.
NG©Check cooling fan low speed control circuit. (Go to PROCEDURE A, EC-750.)
3 CHECK COOLING FAN HIGH SPEED OPERATION
With CONSULT-II
1. Turn ignition switch ªOFFº.
2. Reconnect cooling fan relays-2 and -4.
3. Turn ignition switch ªONº.
4. Perform ªCOOLING FANº in ªACTIVE TESTº mode with CONSULT-II.
SEF111X
5. Make sure that cooling fans-1 and -2 operate at high speed.
OK or NG
OK©GO TO 6.
NG©Check cooling fan high speed control circuit. (Go to PROCEDURE B, EC-753.)
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-746
Page 1471 of 2898
4 CHECK COOLING FAN LOW SPEED OPERATION
Without CONSULT-II
1. Disconnect cooling fan relays-2 and -4.
SEF384Y
2. Start engine and let it idle.
3. Set temperature lever at full cold position.
4. Turn air conditioner switch ªONº.
5. Turn blower fan switch ªONº.
6. Make sure that cooling fans-1 and -2 operate at low speed.
SEC163BA
OK or NG
OK©GO TO 5.
NG©Check cooling fan low speed control circuit. (Go to PROCEDURE A, EC-750.)
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-747
Page 1472 of 2898

5 CHECK COOLING FAN HIGH SPEED OPERATION
Without CONSULT-II
1. Turn ignition switch ªOFFº.
2. Reconnect cooling fan relays-2 and -4.
3. Turn air conditioner switch and blower fan switch ªOFFº.
4. Disconnect engine coolant temperature sensor harness connector.
5. Connect 150Wresistor to engine coolant temperature sensor harness connector.
6. Restart engine and make sure that cooling fans-1 and -2 operate at high speed.
MEC475B
OK or NG
OK©GO TO 6.
NG©Check cooling fan high speed control circuit. (Go to PROCEDURE B, EC-753.)
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/cm2, 23 psi)
CAUTION:
Higher than the specified pressure may cause radiator damage.
SLC754A
Pressure should not drop.
OK or NG
OK©GO TO 8.
NG©GO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following for leak.
+Hose
+Radiator
+Water pump (Refer to LC-39, ªWater Pumpº.)
©Repair or replace.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-748