2001 NISSAN ALMERA N16 wiring diagram

Wiring DiagramNJEC0665
YEC017A
DTC P1217 OVER HEATYD
Wiring Diagram
EC-621

2 DETECT MALFUNCTIONING PART
Check the following.
+Fuse block (J/B) connector E104
+10A fuse
+40A fusible link
+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-I
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-2 terminal 2 and body ground. Refer to Wiring Diagram.
Continuity should exist.
4. 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 GROUND CIRCUIT FOR OPEN AND SHORT-II
1. Check harness continuity between cooling fan motor-1 terminal 2 and cooling fan motor-2 terminal 1. Refer to Wiring
Diagram.
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 7.
NG©GO TO 5.
5 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT-III
1. Disconnect cooling fan relays-2, 4.
2. Check harness continuity between cooling fan motor-1 terminal 2 and cooling fan relays-2, 4 terminal 3, cooling fan
relays-2, 4 terminal 4 and cooling fan motor-2 terminal 1. 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©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-628

6 CHECK COOLING FAN RELAY-2, 4
Check continuity between cooling fan relays-2, 4 terminals 3 and 4, 3 and 5 under the following conditions.
SEF900Y
OK or NG
OK©GO TO 11.
NG©Replace cooling fan relay.
7 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 1. 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 9.
NG©GO TO 8.
8 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.
9 CHECK COOLING FAN RELAY-1
Check continuity between cooling fan relay-1 terminals 3 and 5 under the following conditions.
SEF901Y
OK or NG
OK©GO TO 10.
NG©Replace cooling fan relay.
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont'd)
EC-629

2 DETECT MALFUNCTIONING PART
Check the following.
+30A fusible link
+10A fuse
+Harness for open or short between cooling fan relays-2, 3, 4 and fuse
+Harness for open or short between cooling fan relay-3 and fusible link
©Repair harness or connectors.
3 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan motor-2 harness connector.
SEF385Y
3. Check harness continuity between cooling fan relays-2, 4 terminal 5 and body ground, cooling fan relay-3 terminal 5
and cooling fan motor-2 terminal 1. Refer to Wiring Diagram.
Continuity should exist.
4. 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 relays-2, 4 terminal 2, cooling fan relay-3 terminal
1. 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 relays-2, 3, 4 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-631

Wiring DiagramNJEC0732
YEC016A
DTC P1241 P7´F/INJ TIMG FBYD
Wiring Diagram
EC-637

5 CHECK ELECTRONIC CONTROL FUEL INJECTION PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch ªOFFº.
2. Check harness continuity between electronic control fuel injection pump terminal 6 and ground. Refer to Wiring Dia-
gram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 6.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
6 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0462
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 7.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
7 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-559.
OK or NG
OK©Replace electronic control fuel injection pump.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1241 P7´F/INJ TIMG FBYD
Diagnostic Procedure (Cont'd)
EC-639

Wiring DiagramNJEC0719
YEC016A
DTC P1251 P4´SPILL/V CIRCYD
Wiring Diagram
EC-643

4 CHECK COMMUNICATION LINE FOR OPEN AND SHORT
1. Check continuity between the following terminals. Refer to Wiring Diagram.
MTBL0462
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-559.
OK or NG
OK©Replace electronic control fuel injection pump.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
DTC P1251 P4´SPILL/V CIRCYD
Diagnostic Procedure (Cont'd)
EC-645