Nissan Qashqai J11. Manual — part 227
ECH-206
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0315 CKP SENSOR (POS)
P0315 CKP SENSOR (POS)
DTC Logic
INFOID:0000000010379096
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Rev engine from idle to 3,500 rpm.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-206, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379097
1.
CHECK CKP SENSOR (POS) HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check crankshaft position (CKP) sensor (POS) harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace crankshaft position (CKP) sensor (POS) harness connector connection.
2.
CHECK CKP SENSOR (POS) CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM harness connector.
2.
Check the continuity CKP sensor (POS) circuit.
3.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 3.
3.
CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Disconnect crankshaft position (CKP) sensor (POS) harness connector.
2.
Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0315
CRANKSHAFT POSITION
SYSTEM
(Crankshaft position system
variation not learned)
Abnormal value for crankshaft target varia-
tion learning.
• Harness or connectors
(The sensor circuit is open or shorted.)
• Crankshaft position sensor (POS)
• Signal plate
ECM
Continuity
Connector
Terminal
Terminal
F17
35
37
Existed
CKP sensor (POS)
ECM
Continuity
Connector
Terminal
Connector
Terminal
F8
3
F17
35
Existed
P0315 CKP SENSOR (POS)
ECH-207
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
3.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> 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.
Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK GEAR TOOTH
Visually check for chipping flywheel gear tooth.
Is the inspection result normal?
YES
>> Replace crankshaft position sensor (POS).
NO
>> Replace signal plate.
CKP sensor (POS)
ECM
Continuity
Connector
Terminal
Connector
Terminal
F8
2
F17
37
Existed
ECH-208
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0325 KNOCK SENSOR (KS)
P0325 KNOCK SENSOR (KS)
DTC Logic
INFOID:0000000010379099
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
TESTING CONDITION:
Before performing the following procedure, confirm that engine coolant temperature is more than
70
°
C (158
°
F).
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and rev engine more than 3,500 rpm at least 10 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-208, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379100
1.
CHECK ECM HARNESS CONNECTOR CONNECTION
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ECM harness connector connection.
2.
CHECK KNOCK SENSOR HARNESS CONNECTOR CONNECTION
Check knock sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace knock sensor harness connector connection.
3.
CHECK KNOCK SENSOR CIRCUIT
1.
Disconnect ECM harness connector.
2.
Check the continuity knock sensor circuit.
3.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 5.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detected condition
Possible cause
P0325
KNOCK SENSOR [P0325]
(Knock sensor 1 circuit)
Abnormal knock sensor signal too low for 10 sec-
onds or more.
• Harness or connectors
(Knock sensor circuit is open or
shorted.)
• Knock sensor
ECM
Continuity
Connector
Terminal
+
−
F17
38
42
Existed
P0325 KNOCK SENSOR (KS)
ECH-209
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
NO
>> GO TO 4.
4.
CHECK KNOCK SENSOR POWER SUPPLY CIRCUIT
1.
Disconnect knock sensor harness connector.
2.
Check the continuity between knock sensor harness connector and ECM harness connector.
3.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK KNOCK SENSOR GROUND CIRCUIT
Check the continuity between knock sensor harness connector and ECM harness connector.
Is the inspection result normal?
YES
>> Replace knock sensor.
NO
>> Repair or replace error-detected parts.
+
−
Continuity
Knock sensor
ECM
Connector
Terminal
Connector
Terminal
F33
2
F17
38
Existed
+
−
Continuity
Knock sensor
ECM
Connector
Terminal
Connector
Terminal
F33
1
F17
42
Existed
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