Nissan Qashqai J11. Manual — part 528
EC9-268
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0651 SENSOR POWER SUPPLY
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair short to ground or short to power in harness or connectors.
3.
CHECK COMPONENTS
Check the following.
• Accelerator pedal position sensor. Refer to
EC9-220, "Component Inspection (Accelerator Pedal Position
• Refrigerant pressure sensor. Proceed to
EC9-248, "Diagnosis Procedure"
.
• DPF differential pressure sensor. Proceed to
EC9-285, "Component Inspection (DPF Differential Pressure
• Exhaust electric throttle control actuator. Proceed to
EC9-287, "Component Inspection (Exhaust Throttle
• Exhaust gas pressure sensor. Proceed to
EC9-241, "Component Inspection (Exhaust Gas Pressure Sen-
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace malfunctioning component.
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
E58
23
Accelerator pedal position sensor 2
E20
5
F82
99
Refrigerant pressure sensor
E41
3
F83
100
DPF differential pressure sensor
F120
1
104
Exhaust electric throttle control actuator
F59
1
Exhaust gas pressure sensor
F135
3
P0657 ECM RELAY
EC9-269
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
P0657 ECM RELAY
DTC Logic
INFOID:0000000010309233
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-269, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309234
1.
CHECK FUSE
Check that the fuse is not fusing.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the fuse after repairing the applicable circuit.
2.
CHECK ECM POWER SUPPLY
1.
Reinsert the fuse pulled out.
2.
Turn ignition switch ON.
3.
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 3.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0657
MAIN RELAY CONTROL
CIRCUIT
(Actuator supply voltage “A”
circuit/open)
• CC.0: SHORT CIRCUIT TO
EARTH
• ECM detects ECM relay control circuit is short to
ground. (ECM relay always ON)
• Harness or connectors
(ECM relay control circuit is short-
ed.)
• ECM relay
#54
10A
#55
15A
+
-
Voltage
ECM
Connector
Terminal
E58
28
Ground
Battery voltage
F82
96
EC9-270
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0657 ECM RELAY
3.
CHECK ECM RELAY CONTROL SIGNAL
1.
Turn ignition switch OFF.
2.
Check the voltage between ECM harness connector and ground.
3.
Turn ignition switch ON.
4.
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK ECM RELAY CONTROL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R harness connector.
3.
Check the continuity between ECM harness connector and IPDM E/R harness connector.
4.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> Check IPDM E/R.
NO
>> Repair or replace error-detected parts.
5.
CHECK ECM POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R harness connector.
3.
Check the continuity between ECM harness connector and IPDM E/R harness connector.
4.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R (ECM relay malfunction).
NO
>> Repair or replace error-detected parts.
+
-
Voltage
ECM
Connector
Terminal
F82
41
Ground
Battery voltage
+
-
Voltage
(Approx.)
ECM
Connector
Terminal
F82
41
Ground
0 V
+
+
Continuity
ECM
IPDM E/R
Connector
Terminal
Connector
Terminal
F82
41
F89
77
Existed
+
+
Continuity
ECM
IPDM E/R
Connector
Terminal
Connector
Terminal
E58
28
F90
105
Existed
F82
96
F90
108
P0697 SENSOR POWER SUPPLY
EC9-271
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
P0697 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000010309236
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-271, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309237
1.
CHECK SENSOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK SENSOR POWER SUPPLY CIRCUITS
1.
Turn ignition switch OFF.
2.
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0697
SEN SUPPLY N-3 VOL
(Sensor reference voltage “C”
circuit/open)
• 1.DEF: VOLTAGE TOO
LOW
• 2.DEF: VOLTAGE TOO
HIGH
• A voltage of sensor power supply is more than 5.3
V.
• A voltage of sensor power supply is less than 4.7
V.
• Harness or connectors
(Fuel rail pressure sensor cir-
cuit is shorted.)
• Fuel rail pressure sensor
• Crankshaft position sensor
+
−
Voltage
(Approx.)
ECM
Connectors
Terminal
F82
60
Ground
5 V
91
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
F82
60
Crankshaft position sensor
F7
1
91
Fuel rail pressure sensor
F86
3
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