Nissan Murano: Dtc/circuit Diagnosis / P1225 Tp Sensor
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms
(Trouble diagnosis content) |
DTC detection condition |
| P1225 |
CTP LEARNING-B1
(Closed throttle position learning performance) |
Diagnosis condition |
Ignition switch ON |
| Signal (terminal) |
Electric throttle control actuator signal |
| Threshold |
Closed throttle position learning value is excessively low |
| Diagnosis delay time |
— |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC Confirmation Procedure
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>
Proceed to Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: INSPECTION END
Diagnosis Procedure
CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
-
Turn ignition switch OFF.
-
Remove the intake air duct. Refer to Removal and Installation.
-
Check if foreign matter is caught between the throttle valve and the housing.

Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Remove the foreign matter and clean the electric throttle control actuator inside, and then perform throttle valve closed position learning. Refer to Description.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
-
Replace electric throttle control actuator. Refer to Removal and Installation.
-
Go to Description.
>>
INSPECTION END
DTC Description
DTC DETECTION LOGIC DTC No.
Trouble diagnosis name
(Trouble diagnosis content) DTC detecting condition Possible cause
P1220
FPCM
(Fuel pump control module)
During engine cranking, the signal voltage of the FPCM to the ECM is too low...
DTC Description
DTC DETECTION LOGIC
An excessively high voltage signal from the ASCD steering switch is sent to ECM.
ECM detects that input signal from the ASCD steering switch is out of the specified range...
Other information:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B2720–60
CORNER SENSOR [RL]
(Rear sonar sensor LH outer)
—
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (reset error)
Diagnosis delay time
—
B2720–61
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (configuration error)
Diagnosis delay time
—
B2720–62
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (power supply error)
Diagnosis delay time
—
B2720–63
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (self diag result)
Diagnosis delay time
—
B2720–65
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (over temperature)
Diagnosis delay time
—
B2720–66
Diagnosis condition
When ignition switch is ON
Signal (terminal)
Rear sonar sensor LH outer signal (terminal 22)
Threshold
Rear sonar sensor LH outer signal circuit is open or short to ground
Diagnosis delay time
—
B2720–67
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (diag dump error)
Diagnosis delay time
—
B2720–68
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (resonator error)
Diagnosis delay time
—
B2720–83
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (CRC error)
Diagnosis delay time
—
B2720–92
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
Rear sonar sensor LH outer internal failure (membrane error)
Diagnosis delay time
—
POSSIBLE CAUSE
Harness or connectors
Rear sonar sensor LH outer
FAIL-SAFE
Obstacle detection of rear sonar sensor LH outer is stopped
Audible warning (sonar buzzer) of all sensors is stopped
Sonar buzzer sounds for 3 seconds
DTC Confirmation Procedure
DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
Exploded View
1.
Front bumper reinforcement
2.
Distance sensor
3.
Distance sensor bracket
A.
Refer to Installation.
B.
Refer to Installation .
Removal and Installation
REMOVALRemove fender protector lower screws. Refer to Exploded View...