Nissan Rogue (T33) 2021-Present Service Manual: P0326 Knock Sensor 1 Bank 1
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detected condition | ||
|---|---|---|---|---|
| P0326 | 00 |
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 Index.
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>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis 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 Index.
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 Component Inspection.
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.
NO>>INSPECTION END
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