Nissan Qashqai J11. Manual — part 237
ECH-246
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0641 SENSOR POWER SUPPLY
P0641 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000010379139
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.
Turn ignition switch ON and wait at least 1 second.
2.
Check trip DTC.
Is DTC detected?
YES
>> Proceed to
ECH-246, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379140
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
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
P0641
SENSOR REFERENCE
VOLTAGE A
(Sensor reference voltage “A”
circuit/open)
• ECM detects that the voltage of power
source for sensor remains at more than 5.5
V for 0.15 second or more.
• ECM detects that the voltage of power
source for sensor remains at less than 4.5
V for 0.15 second or more.
• Harness or connectors
(The APP sensor 2 power supply circuit)
(Intake manifold pressure sensor power
supply circuit)
(Refrigerant pressure sensor power sup-
ply circuit)
(Crankshaft position sensor power sup-
ply circuit)
• Accelerator pedal position sensor 2
• Intake manifold pressure sensor
• Refrigerant pressure sensor
• Crankshaft position sensor
+
−
Voltage
(Approx.)
ECM
Connectors
Terminal
E9
23
Ground
5.0 V
F18
117
F17
57
F17
41
P0641 SENSOR POWER SUPPLY
ECH-247
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK COMPONENTS
Check the following.
• Accelerator pedal position sensor 2. Proceed to
ECH-196, "Diagnosis Procedure"
.
• Intake manifold pressure sensor. Proceed to
ECH-164, "Diagnosis Procedure"
.
• Refrigerant pressure sensor. Proceed to
ECH-225, "Diagnosis Procedure"
• Crankshaft position sensor. Proceed to
ECH-206, "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
E9
23
Accelerator pedal position sensor 2
E20
1
F18
117
Intake manifold pressure sensor
F99
1
F17
57
Refrigerant pressure sensor
E41
3
F17
41
Crankshaft position sensor
F8
1
ECH-248
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0651 SENSOR POWER SUPPLY
P0651 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000010379141
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.
Turn ignition switch ON and wait at least 1 second.
2.
Check trip DTC.
Is DTC detected?
YES
>> Proceed to
ECH-248, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379142
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
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair short to ground or short to power in harness or connectors.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0651
SENSOR REFERENCE
VOLTAGE B
(Sensor reference voltage “B”
circuit/open)
• ECM detects that the voltage of power
source for sensor remains at more than 5.5
V for 0.15 second or more.
• ECM detects that the voltage of power
source for sensor remains at less than 4.5
V for 0.15 second or more.
• Harness or connectors
(The APP sensor 1 power supply circuit)
(Throttle position sensor power supply
circuit)
• Accelerator pedal position sensor 1
• Throttle position sensor
+
−
Voltage
(Approx.)
ECM
Connectors
Terminal
E9
27
Ground
5.0 V
F17
65
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
E9
27
Accelerator pedal position sensor 1
E20
4
F17
65
Throttle position sensor
F46
5
P0651 SENSOR POWER SUPPLY
ECH-249
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
3.
CHECK COMPONENTS
Check the following.
• Accelerator pedal position sensor 1. Proceed to
ECH-196, "Diagnosis Procedure"
.
• Throttle position sensor. Proceed to
ECH-170, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace malfunctioning component.
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