Nissan Murano: Dtc/circuit Diagnosis / P0326 Knock Sensor
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detected condition | |
|---|---|---|---|
| P0326 |
KNOCK SENSOR 1 B1 (Knock/Combustion Vibration Sensor 1 Circuit Range/Performance Bank 1 or Single Sensor) |
Diagnosis condition | During fuel cut after engine warm-up |
| Signal | Knock sensor | ||
| Threshold | When the ECM detects knocking during engine running more than the threshold value | ||
| Diagnosis delay time | 5 seconds | ||
POSSIBLE CAUSE
Harness or connectors
(The knock sensor circuit is open or shorted.)
-
Knock sensor
-
Knock sensor installation
FAIL SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC P0326 is displayed with DTC P0327 or P0328, first perform the confirmation procedure (trouble diagnosis) for DTC P0327 or P0328.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Description.
NO>>GO TO 2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure 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 10 V or more at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Start engine and warm it up to normal operating temperature.
-
Revving engine from idle up to 3,000 rpm quickly.
-
Repeat the step 2 at 10 times.
-
Check DTC.
Is DTC detected?
YES>>Proceed to Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: INSPECTION END
CHECK DTC PRIORITY
If DTC P0326 is displayed with DTC P0327 or P0328, first perform the confirmation procedure (trouble diagnosis) for DTC P0327 or P0328.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Description.
NO>>GO TO 2.
CHECK INSTALLATION CONDITION OF KNOCK SENSOR
Visually check that the knock sensor is installed normally.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace error-detected parts.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent Incident.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace error-detected parts.
CHECK KNOCK SENSOR CIRCUIT
Check knock sensor circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace error-detected parts.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure. Refer to DTC Description.
Is the 1st trip DTC P0326 displayed again?
YES>>Replace ECM. Refer to Removal and Installation.
NO>>INSPECTION END
P0315 Crankshaft Position
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0315
Crankshaft position
(Crankshaft Position System Variation Not Learned)
Diagnosis condition
Engine run and fuel shut off
Signal
—
Threshold
Learning value of signal plate variation is abnormal or not learned...
P0327 Ks
DTC Description
DTC DETECTION LOGIC
An excessively low voltage from the sensor is sent to ECM.
An excessively high voltage from the sensor is sent to ECM...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: C1144 Incomplete Steering Angle Sensor Adjustment
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen item (Trouble diagnosis content) DTC detected condition C1144 ST ANG SEN SIGNAL (Steering angle sensor not complete) Diagnosis condition When ignition switch ON. When power supply voltage is normal...
Nissan Murano (Z52) 2015-2024 Service Manual: Fuel Pressure
Work Procedure FUEL PRESSURE RELEASE With CONSULT Turn ignition switch ON. Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode with CONSULT. Start engine. After engine stalls, crank it 2 or 3 times to release all fuel pressure. Turn ignition switch OFF...
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Unfastening the seat belts
To unfasten the seat belt, press the button
on the buckle 
. The seat belt
automatically
retracts.
