Nissan Qashqai (2007-2010). Manual - part 468
P0651 SENSOR POWER SUPPLY
EC-1391
< COMPONENT DIAGNOSIS >
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P0651 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000001115098
DTC DETECTION LOGIC
NOTE:
• If DTC P0651 is displayed with DTC P0225, P0235, first perform trouble diagnosis for DTC P0651.
• Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the ignition has been switched on.
• If the DTC is present:
• Malfunction indicator (Red) lights up.
Diagnosis Procedure
INFOID:0000000001098822
1.
CHECK GROUND CONNECTION
1.
Turn ignition switch OFF.
2.
Check ground connection E17. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT
1.
Disconnect accelerator pedal position (APP) sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
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 5.
NO
>> Repair short to ground or short to power in harness or connectors.
4.
CHECK SENSOR GROUND CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
DTC No.
Trouble diagnosis name
Possible cause
P0651
SENSOR POWER SUPPLY CIRCUIT
• 1.DEF: Parameter at minimum level
• 2.DEF: Parameter at maximum level
• Harness or connectors
(The APP sensor 1 power supply circuit is shorted.)
(Turbocharger boost sensor circuit is shorted.)
• Accelerator pedal position sensor
(APP sensor 1)
• Turbocharger boost sensor
APP sensor
Ground
Voltage
Connector
Terminal
E110
4
Ground
Approx. 5V
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
E60
122
APP sensor
E110
4
F85
36
Turbocharger boost sensor
F91
1