Nissan Qashqai J11. Manual — part 430
ECK-280
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0651 SENSOR POWER SUPPLY
P0651 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000010289890
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
ECK-280, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289891
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.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0651
SEN SUPPLY N2 VOL
(Sensor reference voltage “B”
circuit/open)
• 1.DEF: VOLTAGE TOO
LOW
• 2.DEF: VOLTAGE TOO
HIGH
• A voltage of sensor power supply is 5.4 V
or more.
• A voltage of sensor power supply is 4.6 V
or less.
• Harness or connectors
(The sensor power supply 2 circuit is
shorted.)
• Exhaust electric throttle position sen-
sor
• Exhaust gas pressure sensor
• DPF differential pressure sensor
• APP sensor 2
• Refrigerant pressure sensor
+
−
Voltage
(Approx.)
ECM
Connectors
Terminal
E59
23
Ground
5.0 V
F80
53
57
77
F81
97
P0651 SENSOR POWER SUPPLY
ECK-281
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
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 (sensor 2). Proceed to
ECK-365, "Diagnosis Procedure"
.
• DPF pressure sensor. Proceed to
ECK-295, "Component Inspection (DPF Differential Pressure Sensor)"
• Exhaust electric throttle control actuator. Proceed to
ECK-297, "Component Inspection (Exhaust Throttle
• Exhaust gas pressure sensor. Proceed to
ECK-244, "Component Inspection (Exhaust Gas Pressure Sen-
• Refrigerant pressure sensor. Proceed to
ECK-257, "Diagnosis Procedure"
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
E59
23
APP sensor 2
E20
5
F80
53
DPF differential pressure sensor
F11
1
57
Exhaust electric throttle control actuator
F59
1
77
Exhaust gas pressure sensor
F110
3
F81
97
Refrigerant pressure sensor
E41
3
ECK-282
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0657 ECM RELAY
P0657 ECM RELAY
DTC Logic
INFOID:0000000010289892
DTC DETECTION LOGIC
NOTE:
If this DTC is detected, first confirm self-diagnostic result in IPDM E/R.
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
ECK-282, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289893
1.
CHECK ECM RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check ECM relay circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform trouble diagnosis for power supply circuit.
2.
CHECK ECM RELAY CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check the continuity between ECM harness connector and ground ECM relay harness connector.
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
• CO: OPEN CIRCUIT
• 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
+
-
Voltage
IPDM E/R
Connector
Terminal
F90
96
Ground
Battery voltage
103
P0657 ECM RELAY
ECK-283
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
+
-
Continuity
ECM
IPDM E/R
Connector
Terminal
Connector
Terminal
F80
93
F90
103
Existed
94
96
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