2003 NISSAN ALMERA N16 DIAGRAM

EC-556
[QG (WITHOUT EURO-OBD)]
DTC P0335 CKP SENSOR (POS)
Wiring Diagram
EBS00KHR
YEC291A

EC-558
[QG (WITHOUT EURO-OBD)]
DTC P0335 CKP SENSOR (POS)
2. CHECK CKP SENSOR (POS) POWER SUPPLY CIRCUIT
1. Disconnect crankshaft position (CKP) sensor (POS) harness
connector.
2. Turn ignition switch “ON”.
3. Check voltage between CKP sensor (POS) terminal 3 and
ground with CONSULT-II or tester.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors E225, F43
●Harness for open or short between crankshaft position sensor (POS) and ECM
●Harness for open or short between crankshaft position sensor (POS) and ECM relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK CKP SENSOR (POS) GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 30 and CKP sensor (POS) terminal 1
Refer to Wiring Diagram.
4. Also check harness for and 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.
MBIB0255E
Voltage: Battery voltage
SEF509Y
Continuity should exist.

DTC P0335 CKP SENSOR (POS)
EC-559
[QG (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
5.CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 13 and CKP sensor (POS) terminal 2.
Refer to Wiring Diagram.
2. 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 CRANKSHAFT POSITION SENSOR (POS)
Refer to EC-559, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace crankshaft position sensor (POS).
7.CHECK GEAR TOOTH
Visually check for chipping signal plate gear tooth.
OK or NG
OK >> GO TO 8.
NG >> Replace the signal plate.
8.CHECK INTERMITTENT INCIDENT
Refer to EC-485, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS00KHT
CRANKSHAFT POSITION SENSOR (POS)
1. Loosen the fixing bolt of the sensor.
2. Disconnect crankshaft position sensor (POS) harness connector.
3. Remove the sensor.
4. Visually check the sensor for chipping.Continuity should exist.
PBIB0563E

DTC P0340 CMP SENSOR (PHASE)
EC-563
[QG (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Wiring DiagramEBS00KHY
YEC292A

DTC P0340 CMP SENSOR (PHASE)
EC-565
[QG (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
3.CHECK CMP SENSOR (PHASE) POWER SUPPLY CIRCUIT
1. Disconnect camshaft position (CMP) sensor (PHASE) harness
connector.
2. Turn ignition switch “ON”.
3. Check voltage between CMP sensor (PHASE) terminal 3 and
ground with CONSULT-II or tester.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors E225, F43
●Harness for open or short between camshaft position sensor (PHASE) and ECM
●Harness for open or short between camshaft position sensor (PHASE) and ECM relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK CMP SENSOR (PHASE) GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 29 and CMP sensor (PHASE) terminal 1.
4. 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 CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 14 and CMP sensor (PHASE) terminal 2.
Refer to Wiring Diagram.
2. Also check harness for short to ground or 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.
MBIB0104E
Voltage: Battery voltage
SEF509Y
Continuity should exist.
Continuity should exist.

EC-572
[QG (WITHOUT EURO-OBD)]
DTC P1065 ECM POWER SUPPLY
Wiring Diagram
EBS00KI9
YEC295A

DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-579
[QG (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Wiring DiagramEBS00KIJ
YEC297A

EC-582
[QG (WITHOUT EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
5. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 3 and throttle control motor relay terminal 3.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
●Harness connectors E225, F43
●Harness for open or short between ECM and throttle control motor relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK THROTTLE CONTROL MOTOR RELAY OUTPUT SIGNAL CIRCUIT
1. Check continuity between ECM terminal 104 and throttle control motor relay terminal 1.
Refer to Wiring Diagram.
2. 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 ECM and throttle control motor relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
9. CHECK THROTTLE CONTROL MOTOR RELAY
Refer to EC-584, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> Replace throttle control motor relay.Continuity should exist.
Continuity should exist.