2003 NISSAN ALMERA N16 DIAGRAM

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 “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-71.
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.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1180 P9·FUEL TEMP SENYD
Diagnostic Procedure (Cont’d)
EC-123

Wiring DiagramNJEC0758
YEC325A
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1202 FUEL CUT SYSTEM2YD
Wiring Diagram
EC-127

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 “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-71.
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.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1202 FUEL CUT SYSTEM2YD
Diagnostic Procedure (Cont’d)
EC-129

Wiring DiagramNJEC0665
YEC326A
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1217 OVER HEATYD
Wiring Diagram
EC-133

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 “OFF”.
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.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1217 OVER HEATYD
Diagnostic Procedure (Cont’d)
EC-139

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-140

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 “OFF”.
2. Disconnect cooling fan motor-2 harness connector.
SEF385Y
3. Check harness continuity between cooling fan relays-2, 4 terminal 5 andbody 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-142

Wiring DiagramNJEC0732
YEC325A
DTC P1241 P7·F/INJ TIMG FBYD
Wiring Diagram
EC-148